North Dakota renewal guide
Sewer and Water Installer 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.
Issuing authority
Renewal period
Every 12 months
Renewal fee
$25.00
Bond requirement
No
Insurance requirement
No
Before you renew
Get the filing straight.
- 1
File with the board
File through North Dakota State Plumbing Board and pay the $25.00 renewal fee once the supporting proof is ready.
Renew online - 2
Leave room for processing
Typical processing time is 30 days, so do not wait until the last minute.
Detailed notes
The fine print is here.
North Dakota Sewer and Water Installer License
The North Dakota State Plumbing Board issues the Sewer and Water Installer license for individuals who perform hands-on sewer and water main installation work. This license is a prerequisite for the Sewer and Water Contractor license and allows holders to work under contractor supervision.
What This License Authorizes
Sewer and Water Installers may perform the physical installation, repair, and maintenance of sewer lines and water mains outside building foundations under the oversight of a licensed sewer and water contractor. They work on trenching, pipe laying, and connection to municipal water and sewer systems.
Experience and Examination Requirements
Applicants must complete two years (3,400 hours) as a registered sewer and water apprentice in North Dakota, or complete an accredited plumbing trade school course of at least 9 months (1,020 hours). Applicants must pass the state examination with a score of 70% or higher.
Fees
- Application/Exam Fee: $25
- Annual Renewal Fee: $25
- Reexamination Fee: $10
Renewal Process
- Renewal Period: Annually, expiring June 30
- Renewal Fee: $25
- Grace Period: May renew within one year of expiration without retesting
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
- exam_results
- proof_of_experience
Source notes
North Dakota State Plumbing Board, Sewer and Water Licensure . Verified May 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.
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Next steps
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Printable checklist
North Dakota checklist
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