Licensed Septic Companies in Goffstown, NH
25 septic companies serve Goffstown, New Hampshire, and 25 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 Goffstown
Guides: Septic system installation · Drain field repair · Installation cost · Pumping cost
25 septic companies in Goffstown
-
Albert Z Raymond
17 Preston Street, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05796 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Andrew R Cassidy
81 Gorham Pond Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05856 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Casey A Veary
347 Wallace Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04102 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04082 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Craig M Nault
186 Gorham Pond Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05795 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Jim Brooks
78 E Dunbarton Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04704 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Ken J Cooley
27 Heather Hill Ln, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03922 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Lambert Construction Services
32 Serenitas Ln, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05641 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Robert A St Onge
568 Mountain Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05221 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #05281 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02946 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
-
Robert Wike
40 Pasture Dr, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #03103 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
-
Sean P Mckenna
124 Danis Park Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05745 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Stephen Sarette
282 Goffstown Back Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03898 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Steve Sarette & Son Excavation
282 Goffstown Back Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05585 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
From their website: Installation · Drain field
-
Timothy Redmond
134 Pattee Hill Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04945 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Trygg Engen
210 Monarch Ave, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05895 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
-
Brandon Nault
163 Pattee Hill Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04454 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
David M Nault
22 Lynchville Park Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03780 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Dean C Mehlhorn
Po Box 664, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03829 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Dennis Chase
191 Mast Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05655 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Donald J Holt
74 Cove Street, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05002 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Lionel H Charbonneau
135 Danis Park Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04406 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Paul Bedard Jr
173 Tibbetts Hill Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01498 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Paul L Young
120, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03041 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Paul Zarnowski
252 Daniel Plummer Road, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #01574 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation · Perc testing
No phone on the state list
-
Rodney Decato
6 B Conestoga Ct, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03266 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
-
Thomas Beauchemin
202 Wallace Rd, Goffstown, NH 03045 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01291 (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 Goffstown 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 Goffstown: common questions
How many licensed septic companies are in Goffstown, NH?
25 septic companies serve Goffstown, New Hampshire, and 25 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 Goffstown?
25 listings in Goffstown 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.