Plumbing Contractor Permit Requirements in Grand Forks, ND

Complete permit and license guide for starting a plumbing contractor in Grand Forks, Grand Forks County, North Dakota.

Updated 2026-03-15 5 stops $400–$1,200 est. 4–10 weeks to obtain all licenses
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Not legal advice. Requirements may change — always verify with your local government authority before applying. This guide was compiled from public and official sources (last updated ) and has not yet been independently source-verified — confirm each requirement before acting on it.

Federal — start here

1 stop

  1. EIN (Employer Identification Number)

    Required if you have employees or operate as an LLC or corporation. Free from the IRS.

    Official government source

    FreeImmediate (online application)

State of North Dakota

1 stop

  1. North Dakota Office of State Tax Commissioner — Sales Tax Permit

    Required for all businesses selling taxable goods or services in North Dakota. North Dakota charges a 5% state sales tax; local jurisdictions may add up to 3.5%. Register with the ND Office of State Tax Commissioner.

    Official government source

    FreeImmediate (online via Taxpayer Access Point)

City of Grand Forks / Grand Forks County

3 stops

  1. North Dakota State Plumbing Board — Plumbing Contractor License

    Plumbing contractors in North Dakota must hold a Plumbing Contractor License from the ND State Plumbing Board. A Master Plumber must be designated. Requires passing a state exam.

    Official government source

    $100–$200 (initial)4–8 weeks

  2. City of Grand Forks City Finance Office — Business License

    Grand Forks requires a Business License for regulated businesses within city limits. Contact the Finance Office for requirements specific to your business type. This license must be renewed annually and displayed at your place of business.

    $50–$500/year depending on business type and gross revenues1–3 weeks

  3. Grand Forks County / Grand Forks Plumbing Permit (per project)

    A separate permit must be pulled with the local building/plumbing department for each job. Inspections are required upon job completion.

    $50–$300 per project1–5 business days

Terminus

Open for business — est. $400–$1,200 · 4–10 weeks to obtain all licenses

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Official Sources

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