Salem, New Hampshire

Licensed Septic Companies in Salem, NH

6 septic companies serve Salem, New Hampshire, and 6 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 Salem

Guides: Septic system installation · Septic inspection · Drain field repair · Installation cost · Pumping cost

6 septic companies in Salem

  • Broadway Septic Design

    78 N Broadway, Salem, NH 03079 · Rockingham County

    • Licensed: New Hampshire NHDES Permitted Septic System Designer and Installer · #02066 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    From their website: Installation · Inspection · Drain field · Risers & lids Per state license: Perc testing

    (603) 216-7175 broadwaysepticdesign.com

  • John M Delandy

    21 Atkinson Rd, Salem, NH 03079 · Rockingham County

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05869 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 475-2008

  • Merrill Excavating

    38 School St, Salem, NH 03079 · Rockingham County

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05073 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 212-5520 merrillexcavating.com

  • Michael G Carignan

    9 Alta Ave, Salem, NH 03079 · Rockingham County

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #04035 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 893-5255

  • Rocci F Delucia Jr

    17 A Hampstead Rd, Salem, NH 03079 · Rockingham County

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #03080 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (508) 962-3352

  • Tom J Swarbrick

    27 Old Coach Rd, Salem, NH 03079 · Rockingham County

    • Licensed: New Hampshire NHDES Permitted Septic System Installer · #05767 (New Hampshire Department of Environmental Services, Subsurface Systems Bureau, verify)

    Per state license: Installation

    (603) 560-3514

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 Salem 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 Salem: common questions

How many licensed septic companies are in Salem, NH?

6 septic companies serve Salem, New Hampshire, and 6 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 Salem?

6 listings in Salem 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.