Licensed Septic Companies in Sullivan County, NH
64 septic companies serve Sullivan County, New Hampshire, and 64 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 Sullivan County
Guides: Septic tank pumping · Septic system installation · Installation cost · Pumping cost
64 septic companies in Sullivan County
Newport 17
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Adam M Kimball
159, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05322 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Cary L Whipple
250 N Main St Po Box 48, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03256 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Daniel P Noyer
104 Bouldervale Rd Croydon, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05788 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Eric Pollari construction
7 Hickery Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03451 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Kevin Pollari
106 Springfield Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04522 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Mark Brunelle
152, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04011 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Osgood Construction
686 Unity Springs Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03591 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Starcher Property Services
487 Bradford Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05541 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
From their website: Pumping · Installation
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William R Heino Jr
153 Thurber Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03814 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Alex Kish
Po Box 172, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04901 (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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David Ducharme
24 Park View St, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03500 (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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Forest E Smith
505 Lear Hill Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03948 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Gary C Quimby
122, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04580 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Ken Ripley
303 Maple St, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03590 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Kirt J Perry
Po Box 805, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05321 (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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Mark A Hayward
68 Morgan Rd, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04568 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Raymond Kibbey
62 Spring Brook Road, Newport, NH 03773
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05375 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Sunapee 12
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Barton Excavating
102 Perkins Pond Rd, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03357 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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George M. Neuwirt Construction, LLC
Po Box 663, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05335 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Lance Boucher
49 Coventry Dr, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04524 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Matthew W Pollari
4 Dowd Ln, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05914 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Michael T Mclaughlin
Po Box 672, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05858 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Theodore Gallup
54 Sargent Rd, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02566 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Charles I Hirshberg
22 Pine Ridge Rd, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #01710 (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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Jason Bell
155 Keyes Rd, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05418 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Kenneth Lyman
Po Box 380, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01502 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Leonard A Pollari
Po Box 310, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03959 (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 A Usko
54 Avery Rd, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04593 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Wesley A Kangas
372 Stagecoach Rd, Sunapee, NH 03782
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04488 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Washington 8
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Aaron Wechsler
893 Valley Rd, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #04821 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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Joseph J Batcha III
48 Garfield Rd, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05816 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Marc Longval
4812 E Washington Rd, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03702 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Noah F Chidester
132 Millen Pond Rd, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05729 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Roger Cullen
Po Box 478 Washington, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04638 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Shawn Atkins
504 South Main St, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04651 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Marc R Dube
188 Washington Hts Rd, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05758 (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 Morrissette
488 Washington Dr, Washington, NH 03280
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04412 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Grantham 6
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Brian Stearns
Po Box 1167, Grantham, NH 03753
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03716 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Adam Howard
29 Cote Rd, Grantham, NH 03753
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05564 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Brian Hastings
Po Box 328, Grantham, NH 03753
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02270 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Chris P Gallien
841 Route 10, Grantham, NH 03753
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03715 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Jeremiah Stearns
47 Smith Hastings Rd, Grantham, NH 03753
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05605 (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 Hastings
Po Box 486, Grantham, NH 03753
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02751 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Claremont 5
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Jeremy Zullo
10 Caajm Rd, Claremont, NH 03743
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05224 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Andrew Campbell
34 Jacqueline Ave, Claremont, NH 03743
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05498 (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 D Woodman
6 Red Water Brook Rd, Claremont, NH 03743
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03037 (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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Leo Roy
188 Old Newport Road, Claremont, NH 03743
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03098 (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 Lemieux
519 Jarvis Hill Road, Claremont, NH 03743
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02373 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
Lempster 4
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Jason Fulton
761 Us Route 10, Lempster, NH 03605
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05042 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
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A.P Howard Construction LLC
170 Unity Springs Rd, Lempster, NH 03605
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02406 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Daryl Simino
111 Allen Rd, Lempster, NH 03605
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04565 (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 Onnela
196 Nichols Rd, Lempster, NH 03605
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04267 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Charlestown 3
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Albert St. Pierre
59 Jeffrey Road, Charlestown, NH 03603
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #00897 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Alex Hancock
Po Box 1217, Charlestown, NH 03603
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04740 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Victor R St Pierre
110 Great Country Rd, Charlestown, NH 03603
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #00328 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
Georges Mills 2
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Bryan O'Day
Po Box 98, Georges Mills, NH 03751
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05250 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Noel T Eastman
Po Box 100, Georges Mills, NH 03751
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02139 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Goshen 2
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Michael Osgood
Po Box 273, Goshen, NH 03752
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05397 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Bruce Nadeau
P.O. Box 6, Goshen, NH 03752
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01550 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Plainfield 2
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Marsh Trucking and Excavating
102 Cutler Rd, Plainfield, NH 03781
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05642 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Robbie Williams
281 Route 12 A, Plainfield, NH 03781
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04970 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
Cornish Flat 1
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Cass & Co Earth Moving
Po Box 89, Cornish Flat, NH 03746
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03163 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
Meriden 1
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MAK’s Trucking & Excavation LLC
909 Route 120, Meriden, NH 03770
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04521 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
Springfield 1
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Michael Howard
259 Shad Hill Rd, Springfield, NH 03284
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02087 (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 Sullivan 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 Sullivan County: common questions
How many licensed septic companies are in Sullivan County, NH?
64 septic companies serve Sullivan County, New Hampshire, and 64 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 Sullivan County?
1 of the 64 listings in Sullivan 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 Sullivan County?
64 listings in Sullivan 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.