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North Dakota renewal guide

Sewer and Water Contractor License

If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.

Start here

What matters before you file.

Check the fee, the renewal window, and the documents or insurance records that can slow approval down.

Renewal period

Every 12 months

Renewal fee

$100.00

Late penalty

$50.00

Bond requirement

No

Insurance requirement

Yes — General Liability, Workers' Compensation

Before you renew

Get the filing straight.

  1. 1

    Check the insurance certificates

    Make sure the required policies are current and match what the board or agency expects before you file.

  2. 2

    File with the board

    File through North Dakota State Plumbing Board and pay the $100.00 renewal fee once the supporting proof is ready.

    Renew online
  3. 3

    Leave room for processing

    Typical processing time is 30 days, so do not wait until the last minute.

If you miss the deadline, the late penalty is $50.00.

Detailed notes

The fine print is here.

North Dakota Sewer and Water Contractor License


The North Dakota State Plumbing Board issues the Sewer and Water Contractor license for businesses that install, repair, and maintain sewer lines and water mains outside of building foundations. This is a separate license from the plumber license and covers underground utility work.


What This License Authorizes


Sewer and Water Contractors may install, repair, and maintain public and private sewer lines and water mains outside the building foundation. This includes trenching, pipe laying, connection to municipal systems, and related excavation work for water and sewer infrastructure.


Fees


  • Application Fee: $100
  • Annual Renewal Fee: $100
  • Late Renewal Penalty: $50

Insurance Requirements


  • General Liability Insurance: Required for contracting operations
  • Workers' Compensation: Required if you have employees

Renewal Process


  • Renewal Period: Annually
  • Renewal Fee: $100
  • Late Fee: $50 additional penalty for late renewals

Consequences of Operating Without a License


Performing sewer and water installation work without a valid license is a violation under NDCC 43-18. The Board may impose penalties and refer violations for prosecution.


*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the North Dakota State Plumbing Board.*

Official links

Check the board or agency directly.

Required documents

  • Proof of Insurance
  • proof_of_experience

Source notes

North Dakota State Plumbing Board . Verified March 2026. https://www.ndplumbingboard.gov/licensing-sewer-and-water-licensure

Rules move. Check North Dakota State Plumbing Board again before you pay, renew, or schedule work around this requirement.

Track the next renewal.

Keep Sewer and Water Contractor License dates, proof, and official links with the rest of your license work.

Free to start. No credit card required.