Licensed Septic Companies in Belknap County, NH
136 septic companies serve Belknap County, New Hampshire, and 136 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 Belknap County
Guides: Septic system installation · Installation cost · Pumping cost
136 septic companies in Belknap County
Alton 18
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Gregory Vachon
P.O. Box 1443, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04800 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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James A Herrick
58 Old Wolfeboro Road, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04039 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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James P Varney
102 Stonewall Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03673 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Jeffrey Brownell
175 New Durham Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05495 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Mark Tilton
462 Halls Hill Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05533 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Mike Lundy Excavation
Po Box 908, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03091 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Ryan L Heath
Po Box 232, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05814 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Thomas Varney
93 Powder Mill Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00357 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Allen D Morrill
Po Box 113, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02027 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Charles Mckay Jr
414 Old Wolfeboro Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04954 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Cody T Grenier
198 Old Wolfeboro Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05759 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Donald C White
80 Heron Point Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03292 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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James Locke II
16 Varney Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #01525 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
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James Parandes
445 Dudley Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03764 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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John Goodrich
239 Henry Wilson Hwy, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05269 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Richard J Lane
Po Box 310, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02828 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Ryan L Stockman
2 Oneill Rd, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05802 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Scott Simonds
Po Box 441, Alton, NH 03809
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05355 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Meredith 18
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Brian H Davis
8 Northview Dr, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04989 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Colette Worsman
62 Black Brook Road, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03257 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Gary S Lemay
80 Needle Eye Rd, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #01427 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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James Fagnant
Po Box 261, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #01798 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Michael Browher
25 Serenity Ln, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03705 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Paul Borders
Po Box 1356, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04914 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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R David Ames Jr
164 Nh Route 25 Ames Associates Llc, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02640 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Robert J Ambrose
405 Daniel Webster Highway Po Box 155, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05152 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Timothy C Ludwick
Po Box 1125, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04265 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Timothy M Mcdonald
145 Meredith Center Road, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05652 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Tomas Casals
131 Edgerly School Rd, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05702 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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W F Richards & Son Inc
150 Parade Rd, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05236 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Douglas Hentz
10 Little Loon Island, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04801 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Glenn Worsman
62 Black Brook Road, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03243 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Justin M Poehler
Po Box 1040, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05154 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Kurt J Hakola
Po Box 12, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05712 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Peter Verrill
Po Box 702, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01496 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Steven Benoit
20 Bonney Shores Road, Meredith, NH 03253
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04240 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Belmont 15
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A Fecteau Construction
28 Main St, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01463 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Alfred E Mitchell
Po Box 720, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01955 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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James K Bryant
39 Plummer Hill Rd, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05329 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Kevin G Sturgeon
Po Box 780, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01552 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Matthew A Mooney
182 Bean Hill Road, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05780 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Matthew W Roberts
87 Hackett Rd, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05081 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Nutter Enterprises
28 Stone Rd, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05066 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Patrick A Heffernan
58 Aiden Cir, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05852 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Todd B Cote
245 Hoadley Rd, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05881 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Gregory Hutchins
40 Old Marsh Hill Road, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04977 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Jonathan Asselin
Po Box 247, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05096 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Mark W Roberts
87 Hackett Rd, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01446 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Michael Drouin
63 Woodland Dr, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01593 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Richard Duggan
30 Woodland Dr, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04104 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Travis A Akerstrom
Po Box 30, Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05648 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Gilmanton 15
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Buzzie French
139 Sargent Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01791 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Carl A Hallberg
26 Stockwell Hill, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05751 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Chris B Keith
541 Meeting House Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04697 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Clifton Buttrick
1213 Province Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #01065 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Padula Excavating
193 Nh Route 106, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03667 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Robert Ciarlo
Po Box 395, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05487 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Sanders Construction
500 Guinea Ridge Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03717 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
From their website: Installation
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Thomas J Caldon
33 High Street, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04315 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Workman Excavation
12 Shellcamp Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03711 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Brett Currier
287 Nh Route 140, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02162 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Douglas E Bruce
335 Allen' S Mill Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04870 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Michael Fogg
180 Stone Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05601 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Raymond M Daigle
Po Box 119, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01053 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Ron Mercier
22 Stockwell Hill Rd, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05717 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Scott Thibeault
32 Gale Road, Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03624 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Gilford 13
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Donald Blajda
42 Gilford East Dr # 4, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02495 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
-
Jeremy Clark
25 Country Club Rd Unit 101, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05606 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
John H. Lyman & Sons, Inc.
310 Hoyt Rd, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04625 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04629 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
-
Keith J Lyman
345 Hoyt Road, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05903 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Matthew Gault
41 Vincent Dr, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05408 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Benjamin A Godbout
630 Belknap Mountain Rd, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05633 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Brian Veazey
160 Stark Street, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05684 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
David Pacini
46 Crestview Dr, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04198 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
David Peterson
55 Belknap Point Rd, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05666 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
James Howard
2 Ridgeline Loop, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01711 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Nate Whitehead
348 Intervale Rd, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05654 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Stephen Labonte
43 Upland Dr, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02412 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Steve Osmer
25 Country Club Rd Unit 101, Gilford, NH 03249
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05596 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Laconia 11
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B Jean Excavation LLC
2579 Parade Rd, Laconia, NH 03246
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02426 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Dunn Asphalt Paving
Po Box 6308, Laconia, NH 03247
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04060 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Jason M Drouin
Po Box 7405 Gilford, Laconia, NH 03247
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05784 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Joshua Lahey
112 White Oaks Rd, Laconia, NH 03246
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04363 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Ron Deducca
Po Box 1534, Laconia, NH 03247
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04386 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Watermark Marine Construction
1218 Union Ave, Laconia, NH 03246
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04654 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03625 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Daniel Moeller
728 Scenic Rd, Laconia, NH 03246
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05720 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Dave Farley
Po Box 7464, Laconia, NH 03247
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03144 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Dennis R Fogg
600 White Oaks Rd, Laconia, NH 03246
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02662 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
-
Peter L O'Hearn
P.O. Box 7167, Laconia, NH 03247
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04763 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Stephen Converse
286 White Oaks Rd, Laconia, NH 03246
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03632 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
New Hampton 10
-
Craig Hall
Po Box 9, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03291 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Daniel Ellis
361 Main St, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05049 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
-
Kevin Lacasse
Po Box 823, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05442 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Nicholas Brown
774 Dana Hill Rd, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05711 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Benjamin I Durack
1135 Nh Route 132 N, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05634 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Dean Smith
1048 Winona Rd, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05680 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
-
Garth Woolsey
705 Coolidge Woods Rd, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04564 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Kyle Degrace
35 Waukewan Road, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05474 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Seth W Keller
214 Pinnacle Hill Rd, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05628 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
William A Huckins
94 Huckins Rd, New Hampton, NH 03256
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01516 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Sanbornton 9
-
Auger Siteworks
87 Hale Road, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03606 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Bruce Tibbetts
51 Prescott Rd, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05573 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Earl Leighton Jr
386 Lower Bay Rd, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03016 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Kyle S Minery
616 Shaker Road, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05906 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Piscopo Excavation
P.O. Box 279, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05476 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Robert A Pavnick
71 Brook Rd, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05263 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Brian M Bordeau
Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03960 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Ryan K Bedard
50 Ellis Farm Rd., Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04401 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
-
Tobey Bean
110 Woodman Rd, Sanbornton, NH 03269
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05036 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Center Barnstead 8
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Scott Fitzmorris
Po Box 153, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05313 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Bryan R Tasker
279, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05677 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Dana Whitney
54, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04419 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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David P Maynard
22, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03683 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Isaac H Morse
176 North Rd, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05766 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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John Wakefield
Po Box 1629, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04349 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Kevin Enright
325, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05367 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Ricky Brassaw
118, Center Barnstead, NH 03225
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04261 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Center Harbor 6
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MacDonald Excavation and Property Services
209 Piper Hill Rd, Center Harbor, NH 03226
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05851 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Richard L Casella
Po Box 287, Center Harbor, NH 03226
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03554 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Andrew Weeks
Po Box 1378, Center Harbor, NH 03226
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05672 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Don Lemien
Po Box 931, Center Harbor, NH 03226
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02113 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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George Earl
Center Harbor, NH 03226
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03550 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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William (Trey) P Wilson III
Po Box 512, Center Harbor, NH 03226
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01825 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Gilmanton Iron Works 5
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Ivo S French
1242 Nh Route 140, Gilmanton Iron Works, NH 03837
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02565 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Robert L Potter
64, Gilmanton Iron Works, NH 03837
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05174 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Wilfred L Sanville Jr.
Po Box 21, Gilmanton Iron Works, NH 03837
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03224 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Fabrizio C Cusson
59, Gilmanton Iron Works, NH 03837
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04149 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Shawn Tebbetts
41 Blueberry Ln, Gilmanton Iron Works, NH 03837
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03648 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Alton Bay 3
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Bradford A Jones
155 Lakewood Dr, Alton Bay, NH 03810
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02670 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Mark E Harvey
18 Route 11 D, Alton Bay, NH 03810
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03146 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Roger Sample
187 Rand Hill Rd, Alton Bay, NH 03810
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04762 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Barnstead 3
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Brian Bissonnette
227 Garland Rd, Barnstead, NH 03218
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04980 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Robert Tiede
193 Wes Locke Rd, Barnstead, NH 03218
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00437 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Daniel J Lank
30 Garland Rd, Barnstead, NH 03218
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04392 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Hurricane Rd Belmont 1
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Warren Lewis
296, Hurricane Rd Belmont, NH 03220
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05402 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Rose Ave Gilmanton 1
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Matthew Bona
25, Rose Ave Gilmanton, NH 03237
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05698 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
No listings match those filters.
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 Belknap 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 Belknap County: common questions
How many licensed septic companies are in Belknap County, NH?
136 septic companies serve Belknap County, New Hampshire, and 136 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 install septic systems in Belknap County?
136 listings in Belknap 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.