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Mountrail County, North Dakota

Licensed Septic Companies in Mountrail County, ND

12 septic companies serve Mountrail County, North Dakota, and 12 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).

12 septic companies in Mountrail County

Stanley 6

  • Allen Fenstermacker

    7845 Hwy 2, Stanley, ND 58784

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

    Per state license: Installation

    (701) 629-2083

  • KEU Inc./Randy R. Kasma

    120 S Main St, Stanley, ND 58784

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

    Per state license: Installation

    (701) 641-6609

  • Mountrail Builders, Inc.

    2 Meadow Lane, Stanley, ND 58784

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

    Per state license: Installation

    (701) 628-1097 mountrailbuilders.com

  • North Country Excavating & Construction, Inc.

    5975 84th Ave. NW Lot 8, Stanley, ND 58784

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

    Per state license: Installation

    (701) 629-9915

  • SM Services Corp

    PO Box 995, Stanley, ND 58784

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

    Per state license: Installation

    (701) 621-1412

  • The Revelator Services, LLC

    PO Box 1165, Stanley, ND 58784

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

    Per state license: Installation

    (701) 628-5431

New Town 3

  • Bear Mountain LLC

    PO Box 1503, New Town, ND 58763

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

    Per state license: Installation

    (425) 248-5150

  • Estvold Oilfield Services, Inc.

    PO Box 1191, New Town, ND 58763

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

    Per state license: Installation

    (701) 627-2777

  • White Horse Construction

    PO Box 1232, New Town, ND 58763

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

    Per state license: Installation

    (701) 627-2232 whitehorseconstruction.com

Parshall 2

  • D&L Construction, Inc.

    4233 71st Ave NW, Parshall, ND 58770

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

    Per state license: Installation

    (701) 421-1260

  • JerichoExcavationand Hauling LLC

    7557 34th St NW, Parshall, ND 58770

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

    Per state license: Installation

    (208) 659-2959

Plaza 1

  • AM Construction

    4773 65th Ave. NW, Plaza, ND 58771

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

    Per state license: Installation

    (701) 629-0491

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 Mountrail 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 Mountrail County: common questions

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

12 septic companies serve Mountrail County, North Dakota, and 12 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 Mountrail County?

12 listings in Mountrail 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.