Licensed Septic Companies in Gilmanton, NH
15 septic companies serve Gilmanton, New Hampshire, and 15 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 Gilmanton
Guides: Septic system installation · Installation cost · Pumping cost
15 septic companies in Gilmanton
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Buzzie French
139 Sargent Rd, Gilmanton, NH 03237 · Belknap County
- 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 · Belknap County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05751 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Chris B Keith
541 Meeting House Rd, Gilmanton, NH 03237 · Belknap County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04697 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Clifton Buttrick
1213 Province Rd, Gilmanton, NH 03237 · Belknap County
- 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 · Belknap County
- 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 · Belknap County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05487 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Sanders Construction
500 Guinea Ridge Rd, Gilmanton, NH 03237 · Belknap County
- 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 · Belknap County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04315 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Workman Excavation
12 Shellcamp Rd, Gilmanton, NH 03237 · Belknap County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03711 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Brett Currier
287 Nh Route 140, Gilmanton, NH 03237 · Belknap County
- 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
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Douglas E Bruce
335 Allen' S Mill Rd, Gilmanton, NH 03237 · Belknap County
- 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
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Michael Fogg
180 Stone Rd, Gilmanton, NH 03237 · Belknap County
- 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
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Raymond M Daigle
Po Box 119, Gilmanton, NH 03237 · Belknap County
- 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
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Ron Mercier
22 Stockwell Hill Rd, Gilmanton, NH 03237 · Belknap County
- 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
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Scott Thibeault
32 Gale Road, Gilmanton, NH 03237 · Belknap County
- 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
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 Gilmanton 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 Gilmanton: common questions
How many licensed septic companies are in Gilmanton, NH?
15 septic companies serve Gilmanton, New Hampshire, and 15 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 Gilmanton?
15 listings in Gilmanton 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.