Licensed Septic Companies in Hudson, NH
14 septic companies serve Hudson, New Hampshire, and 14 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 Hudson
Guides: Septic system installation · Septic repair · Installation cost · Pumping cost
14 septic companies in Hudson
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Allen B Kennedy Jr
20 Pine Rd, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03089 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Brian P Dubowik
223 Derry Road, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05894 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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James Francoeur
220 Derry Rd Apt 53, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #02889 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Jonathan Simoneau
4 Homestead Ln, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05283 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Keith Garside
6 Able St., Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04923 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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Steven J Armstrong
50 Webster St, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05885 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
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TDD Earth Tech Inc.
44 A Kienia Rd, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03001 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
From their website: Installation · Repair
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Antonio De Carvalho
14 A Riverside Dr, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #05808 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Daniel A Dubowik
223 Derry Rd, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #00126 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Daniel Dionne
108 Old Derry Road, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01995 (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 Francoeur
23 Woodcrest Dr, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #00352 (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 Gruenfelder
26 Robinson Road, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #01743 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)
Per state license: Installation
No phone on the state list
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Jeffrey S Susi
17 Highland St, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #04344 (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 Cherico
40 Marsh Rd, Hudson, NH 03051 · Hillsborough County
- Licensed: New Hampshire NHDES Permitted Septic System Installer · #03756 (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 Hudson 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 Hudson: common questions
How many licensed septic companies are in Hudson, NH?
14 septic companies serve Hudson, New Hampshire, and 14 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 Hudson?
14 listings in Hudson 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.