The Septic GuideLicensed septic pros
List Your Business
Foster County, North Dakota

Licensed Septic Companies in Foster County, ND

6 septic companies serve Foster County, North Dakota, and 6 of them hold a North Dakota septic license or certification matched to the North Dakota Department of Environmental Quality / local health districts list (data as of October 2026).

6 septic companies in Foster County

Carrington 6

  • Carr Construction

    199 66th Ave NE, Carrington, ND 58421

    • Licensed: North Dakota Licensed Septic Installer · #SI 55 (North Dakota Department of Environmental Quality / local health districts, verify)
    • Licensed: North Dakota Licensed Septic Installer (North Dakota Department of Environmental Quality / local health districts, verify)

    Per state license: Installation

    (701) 653-5653

  • Central Excavation

    848 62nd Ave NE, Carrington, ND 58421

    • Licensed: North Dakota Licensed Septic Installer (North Dakota Department of Environmental Quality / local health districts, verify)
    • Licensed: North Dakota Licensed Septic Installer · #SI 57 (North Dakota Department of Environmental Quality / local health districts, verify)

    Per state license: Installation

    (701) 653-5177

  • J & J Striping

    172 9th Ave S, Carrington, ND 58421

    • Licensed: North Dakota Licensed Septic Installer · #SI 50 (North Dakota Department of Environmental Quality / local health districts, verify)
    • Licensed: North Dakota Licensed Septic Installer (North Dakota Department of Environmental Quality / local health districts, verify)

    Per state license: Installation

    (701) 652-5809

  • J & R Dirtworks LLC

    175 13th Ave N, Carrington, ND 58421

    • Licensed: North Dakota Licensed Septic Installer · #SI 3 (North Dakota Department of Environmental Quality / local health districts, verify)
    • Licensed: North Dakota Licensed Septic Installer (North Dakota Department of Environmental Quality / local health districts, verify)

    Per state license: Installation

    (701) 653-5838

  • Larsen Plumbing Heating & A/C

    1204 Main St, Carrington, ND 58421

    • Licensed: North Dakota Licensed Septic Installer · #SI 24 (North Dakota Department of Environmental Quality / local health districts, verify)

    Per state license: Installation

    (701) 652-5120

  • Pat Biel Trucking

    291 66th Ave NE, Carrington, ND 58421

    • Licensed: North Dakota Licensed Septic Installer · #SI 27 (North Dakota Department of Environmental Quality / local health districts, verify)

    Per state license: Installation

    (701) 652-2619 patbieltruckinginc.com

Septic licensing in North Dakota

North Dakota began licensing septic installers statewide under 2025 legislation (SB 2267); local public health units administer the program. The North Dakota DEQ and local public health units issues these credentials: Annual septic installer license.

Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Foster County and whether the permit fee is in their quote.

North Dakota septic licensing: agencies, license types and how to check a license →

Septic companies in Foster County: common questions

How many licensed septic companies are in Foster County, ND?

6 septic companies serve Foster County, North Dakota, and 6 of them hold a North Dakota septic license or certification matched to the North Dakota Department of Environmental Quality / local health districts 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 North Dakota?

North Dakota began licensing septic installers statewide under 2025 legislation (SB 2267); local public health units administer the program. The licensing body is the North Dakota DEQ and local public health units.

Which companies install septic systems in Foster County?

6 listings in Foster County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their North Dakota license.

How do I check a septic contractor's license in North Dakota?

Use the North Dakota DEQ and local public health units's lookup (https://deq.nd.gov/WQ/) and search the contractor's name or license number. Our guide to checking a septic license walks through it.