Merrimack County, New Hampshire

Licensed Septic Companies in Merrimack County, NH

163 septic companies serve Merrimack County, New Hampshire, and 163 of them hold a New Hampshire septic license or certification matched to the New Hampshire Department of Environmental Services, Subsurface Systems Bureau list (data as of October 2026).

Septic services in Merrimack County

Guides: Septic tank pumping · Septic system installation · Septic inspection · Installation cost · Pumping cost

163 septic companies in Merrimack County

Concord 19

  • Alan Moody

    348 Shaker Rd, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03730 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 731-7634

  • Angela K Raymond

    211 Bog Rd, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04136 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05414 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 496-2392

  • Benjamin R Davis

    32 Steeple View Penacook, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05783 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 998-3642

  • Fordyce A Pearl Sr.

    3, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01949 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 748-2129

  • Mark Larosa

    175 Pembroke Rd, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03238 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 225-8445

  • Sean A Bussiere

    42 Julie Dr, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05728 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 361-5176

  • Timothy F Bernier

    118 Broad Cove Drive, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02539 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 731-8570

  • Alison Witschonke

    80 Horse Hill Road, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05620 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Andrew Demetriou

    30 Villanova Dr, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05164 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Kenneth Bradley

    Po Box 2524, Concord, NH 03302

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00039 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Lucas Martin

    32 Roger Ave, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05462 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Mark Michie

    34, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03338 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Michael Bedard

    6 Highridge Trail, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02930 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Peter Holden

    Po Box 480, Concord, NH 03302

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00998 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Randall Freeman

    301 Shaker Rd, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05405 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Thomas Giovagnoli

    468, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05227 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Thomas W Berkeley

    140 Peaceful Ln, Concord, NH 03303

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02717 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • William Strachan

    37 Profile Ave, Concord, NH 03301

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00608 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Yanni Panacopoulos

    Po Box 14 18 Loudon Rd, Concord, NH 03302

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05631 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Tilton 14

  • Brandon T Heath

    23 Stevens Rd Northfield, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05902 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 998-4039

  • Cormier Kip Builders Inc

    270 Tilton Road Suite #1, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01451 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 286-1200 newhampshire-builder.com

  • Jeremy A Bezanson-Perkins

    31 Jacob Rd, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05888 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 755-6258

  • Kenneth P Partridge

    53, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00068 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 520-7134

  • Mark Hubbell

    285, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04169 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 277-3210

  • Riordon Construction LLC

    24 Atherton Hill Road, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04399 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 630-3987 riordonconstruction.com

  • Robert H Claridge

    Po Box 4, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04270 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 333-5223

  • Shaun J Maclennan

    15 Susan Ln Northfield, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05875 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 545-2346

  • Taylor Anderson

    477 Laconia Rd, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05558 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 722-0539

  • Christopher I Hagan

    359, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04928 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Frank J Tilton

    206, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02915 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • James Virgin

    Po Box 500, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04460 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Matthew R Tilton

    61, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05463 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • R G Dubois

    P.O. Box 287, Tilton, NH 03276

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03652 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Hooksett 10

  • Alden Beauchemin

    412 West River Rd, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02316 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 344-9371

  • Chris Kent

    4 B Craneway, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03883 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 668-5368

  • Kevin Kent

    4B Crane Way, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05910 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 716-8442

  • Kevin Lamphere

    113 Farmer Rd, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03343 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 851-1050

  • Peter Stoddard

    141 Londonderry Tpke, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05048 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 628-8500

  • Jeffrey White

    Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02360 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • John J Wight

    30 Autumn Run, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04604 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Robert J Corriveau Sr

    13 S Bow Rd, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00483 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Scott Bussiere

    16 Scott Ave, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01171 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Steven C Rice

    P.O. Box 16065, Hooksett, NH 03106

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05344 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Henniker 9

  • Higginson Land Services LLC

    76 Patterson Hill Road, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04283 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 660-6412

  • John Hopkins

    39 French Pond Rd, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05308 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 680-1675

  • Laith Frink

    133 Buxton Industrial Dr, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04569 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 428-3351

  • Leo G Aucoin

    619 Gulf Rd, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02300 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 582-7443

  • McComish Excavating

    564 Old Hillsboro Road, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04826 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    From their website: Installation

    (603) 662-5005 mccomishexcavating.com

  • Thomas Patenaude

    Po Box 2040, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05129 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 428-7756

  • Jonathan Kimball

    1364 Old Hillsboro Rd, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02260 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Ryan Hall

    229 Gould Pond Rd, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05194 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Timothy M Mccomish

    Po Box 644, Henniker, NH 03242

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02263 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Loudon 8

  • F.L. Merrill Construction, Inc.

    35 Veterans Dr, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05659 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 228-5558 flmerrill.com

  • Jay Berwick

    106 E Ricker Rd, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04465 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 496-1483

  • Mark B Barton

    367 Old Shaker Road, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05886 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 998-1566

  • Dennis Moore Sr

    56 Pittsfield Rd, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03162 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Harold W Thistle

    48 Thistle Hill Rd, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01726 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • James H Burdette Sr

    Po Box 7828, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02728 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Joseph T Bohi

    232 Bee Hole Rd, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02646 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Russell L Pearl

    49 Dragonfly Dr, Loudon, NH 03307

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02477 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Bradford 7

  • Joshua O Bourassa

    43 Blaisdell Lake Rd, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05861 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 831-9415

  • Pickman & Sons Plumbing & Heating

    Po Box 162, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03992 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 938-2224

  • Jonah Coldwell

    268 Baker Hill Rd, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05548 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Matt Ordway

    Po Box 474, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04260 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Michael Duplessis

    359 E Washington Rd, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04701 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Nicholas P Berwick

    67 Deer Valley Rd, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05727 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Richard H Churchill

    84 W Meadow Rd, Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04474 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Canterbury 7

  • Evan W Hauptman

    233 Morrill Rd, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05777 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 573-1893

  • Gary Spaulding

    Po Box 248, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03122 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 496-9797

  • Stephen C Cochrane

    38 Old Tilton Rd, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00072 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 783-4494

  • Hubert D Thompson

    161 Shaker Rd, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05020 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Joshua B Lemoine

    108 Briar Bush Road, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05877 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Ronald F Dickinson

    153 Morrill Rd, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03990 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Sean K Mcdonald

    60 Old Gilmanton Rd, Canterbury, NH 03224

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03710 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Chichester 7

  • Jeffrey D Swain

    92 Horse Corner Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05847 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 312-6856

  • Karla L Brown

    25 Healy Pasture Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04353 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 219-5651

  • Charles Mewkill III

    19 Carpenter Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01812 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Frank Merrill

    52 Healy Pasture Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02900 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • John C Baas III

    11 Depot Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02715 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Randy Sawtelle

    23 Bailey Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05448 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Stephen Maccleery

    29 Carpenter Rd, Chichester, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01903 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Dunbarton 7

  • Jacques Belanger

    61 Old Hopkinton Rd, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05127 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 774-3601

  • Robert R Grondin

    58 Overlook Dr, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00260 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 231-2515

  • Andrew Cillo

    110 Concord Stage Rd, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03628 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Jeff A Crosby

    17 Stark Hwy S, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01673 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Justin Nault

    1235 Montalona Rd, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05540 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Mark Doyon

    191 Robert Rogers Rd, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04097 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Robert Tardif

    46 Clifford Farm Rd, Dunbarton, NH 03046

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05640 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

Epsom 7

  • James Lanoue

    Po Box 813, Epsom, NH 03234

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04489 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 736-8898

  • NH Groundscapes, LLC (NHG)

    73 King Rd, Epsom, NH 03258

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05504 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    From their website: Pumping · Installation · Inspection

    (603) 717-6106 nhgroundscapes.com

  • Adam Towne

    Po Box 882, Epsom, NH 03234

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03347 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Denis Lavigne

    Epsom, NH 03234

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05007 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Jason Leblanc

    21 Hoit Rd, Epsom, NH 03234

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03497 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Russell Jeffers

    Po Box 116, Epsom, NH 03234

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04610 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Travis Towne

    23 Naylor Drive, Epsom, NH 03234

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04749 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Pittsfield 7

  • J Parker & Daughters Construction, Inc.

    70 Daroska Road, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01771 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 435-6750 jparkeranddaughters.com

  • Robert Bolduc

    1207 Upper City Rd, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01665 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 344-4451

  • Carl Anderson

    108 Berry Pond Rd, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05394 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Daniel Rider

    154 Harmony Lane, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05709 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Justin R Galvin

    Po Box 412, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05635 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Raymond St Laurent

    211 Dowboro Rd, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02042 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Scott Aubertin

    182 Shaw Rd, Pittsfield, NH 03263

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03837 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Wilmot 7

  • George Bailey

    37, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02353 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04437 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 863-6325

  • James F Orrok Jr

    24 Pound Rd, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05320 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 496-3791

  • Kenneth Clarke

    Po Box 353, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05255 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 526-6404

  • David W Atwood

    P.O. Box 308, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04772 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Douglas Rayno

    Po Box 59, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03362 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Ralph G Gove III

    Po Box 235, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04713 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Russell E Jewell Jr

    29 Jewell Rd, Wilmot, NH 03287

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03570 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Franklin 6

  • Chris Dumont

    41 Riverview Drive, Franklin, NH 03235

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02558 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 234-3746

  • John H Curley

    15 A St, Franklin, NH 03235

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05857 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 707-9040

  • Scott J Herbert

    231 Smith Hill Rd, Franklin, NH 03235

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05241 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 387-2321

  • Sean Johnson

    239 Flaghole Rd, Franklin, NH 03235

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04698 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 731-6225

  • John P Henderson

    381 Prospect St, Franklin, NH 03235

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05249 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Victor E Virgin

    346, Franklin, NH 03235

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03400 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

Suncook 6

  • William J Gelinas

    Po Box 581, Suncook, NH 03275

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03137 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 485-9755

  • Leo M Dumont

    614, Suncook, NH 03275

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00667 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Marc Chronis

    801, Suncook, NH 03275

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03660 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Michael F Cumings

    10, Suncook, NH 03275

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04871 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    No phone on the state list

  • Neil Brown

    688, Suncook, NH 03275

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02996 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Victor Martin

    2, Suncook, NH 03275

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04905 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Andover 5

  • Christopher Caron

    167 Shaw Hill Rd, Andover, NH 03216

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04064 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 735-4388

  • Connar J Lake

    429 Depot St, Andover, NH 03216

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05880 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 877-8509

  • Johnathan Champagne

    Po Box 131, Andover, NH 03216

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04551 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 735-5212

  • Justin Wright

    452 Elbow Pond Rd, Andover, NH 03216

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04304 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 244-8561

  • Thomas S Clarke

    147 Route 4 A, Andover, NH 03216

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05704 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Contoocook 5

  • Antonio Antonio

    Po Box 456, Contoocook, NH 03229

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00392 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 746-4537

  • Michael B Komisarek

    67, Contoocook, NH 03229

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05743 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 848-9070

  • Peter Kennedy

    439 Bound Tree Rd, Contoocook, NH 03229

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04115 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Seth Holmes

    779, Contoocook, NH 03229

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05864 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Timothy M Truitt

    968, Contoocook, NH 03229

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05619 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

New London 5

  • Clearwater Septic Design, LLC

    28 Aspen Ln, New London, NH 03257

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05333 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (603) 393-3085

  • Roger Rodewald

    Po Box 963, New London, NH 03257

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04273 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation · Perc testing

    (863) 304-3113

  • Daniel Merzi

    Po Box 1091 Merzi Excavation Llc, New London, NH 03257

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05268 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Mike Hansen

    1325 County Rd, New London, NH 03257

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03234 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Sumner Clarke

    18 Sutton Rd Unit D, New London, NH 03257

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05703 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Newbury 5

  • Henry E St Louis

    39 Smoke Rise Rd New Hampton, Newbury, NH 03255

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05827 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 986-3010

  • Joshua Chapman

    154 South Rd, Newbury, NH 03255

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05350 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 938-2514

  • Scott Wheeler

    198 Brown Road, Newbury, NH 03255

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00390 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 938-5939

  • David Schroeder

    24 Upper Ridge Rd, Newbury, NH 03255

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04130 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Roy Messer

    68 Mountainside Dr, Newbury, NH 03255

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04739 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Salisbury 5

  • John Bentley

    Po Box 269, Salisbury, NH 03268

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03365 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 783-6779

  • Mac Duffie Construction Co LLC

    550 Old Turnpike Road, Salisbury, NH 03268

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05513 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05527 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01273 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 648-2116

  • James L Mason

    96 Old Turnpike Rd, Salisbury, NH 03268

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04002 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Leon Riel Jr

    222 Center Rd, Salisbury, NH 03268

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01654 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Timothy Wunderlich

    61 Plains Rd, Salisbury, NH 03268

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02869 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Bow 4

  • Jeffrey A Scarinza

    24 Morgan Dr, Bow, NH 03304

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05917 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 722-4673

  • Mark Thompson

    2 Thibeault Dr, Bow, NH 03304

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01435 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 623-7907

  • Thomas A Snow Sr

    1199 Route 3 A, Bow, NH 03304

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03283 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 226-4189

  • Richard Siciak

    7 Branch Londonderry Tpke W, Bow, NH 03304

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01913 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Hill 3

  • John Moses

    Po Box 222, Hill, NH 03243

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03950 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 387-1808

  • Sherburn Ramsay

    Po Box 125 33 Highridge Road, Hill, NH 03243

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #02523 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 536-4909

  • Chester Caron

    1897 Ragged Mountain Hwy, Hill, NH 03243

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00907 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

North Sutton 3

  • Rowe Brothers Excavation LLC

    Po Box 196, North Sutton, NH 03260

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05361 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 927-4343

  • Christopher Rowe

    Po Box 96, North Sutton, NH 03260

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03477 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

  • Harold Rowe Jr

    Po Box 127, North Sutton, NH 03260

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05551 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Warner 3

  • Carroll Thomas

    1177 North Road, Warner, NH 03278

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01345 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 456-3849

  • J D Hanna Excavating

    195 Couchtown Rd, Warner, NH 03278

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01453 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 456-2417

  • Peter Bates

    648 Schoodac Rd, Warner, NH 03278

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03160 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

Danbury 1

  • James Phelps

    289 Ragged Mountain Rd, Danbury, NH 03230

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00830 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 768-5588

Elkins 1

  • Clayton A Miller Inc..

    Po Box 8, Elkins, NH 03233

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #00491 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 526-4710

South Newbury 1

  • Henry E Thomas Jr

    Po Box 32, South Newbury, NH 03272

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #01531 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    No phone on the state list

W Main St Bradford 1

  • Matt Gerald

    67, W Main St Bradford, NH 03221

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05161 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 938-2918

Septic licensing in New Hampshire

New Hampshire requires a NHDES permit to design or install a septic system; the Subsurface Systems Bureau publishes the list of permitted designers and installers. The NH Department of Environmental Services, Subsurface Systems Bureau issues these credentials: Permitted installer (RSA 485-A:36); Permitted designer.

Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Merrimack County and whether the permit fee is in their quote.

New Hampshire septic licensing: agencies, license types and how to check a license →

Septic companies in Merrimack County: common questions

How many licensed septic companies are in Merrimack County, NH?

163 septic companies serve Merrimack County, New Hampshire, and 163 of them hold a New Hampshire septic license or certification matched to the New Hampshire Department of Environmental Services, Subsurface Systems Bureau list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.

Who licenses septic contractors in New Hampshire?

New Hampshire requires a NHDES permit to design or install a septic system; the Subsurface Systems Bureau publishes the list of permitted designers and installers. The licensing body is the NH Department of Environmental Services, Subsurface Systems Bureau.

Which companies pump septic tanks in Merrimack County?

1 of the 163 listings in Merrimack County offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.

Which companies install septic systems in Merrimack County?

163 listings in Merrimack County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their New Hampshire license.

How do I check a septic contractor's license in New Hampshire?

Use the NH Department of Environmental Services, Subsurface Systems Bureau's lookup (https://www.des.nh.gov/land/septic-systems/septic-designer-or-installer) and search the contractor's name or license number. Our guide to checking a septic license walks through it.