Plumbing Code Adoption

North Dakota Plumbing Code: North Dakota State Plumbing Code (UPC-based) 2021

North Dakota follows North Dakota State Plumbing Code (UPC-based) 2021 as the basis for plumbing work. Permits and inspections are issued by the local Authority Having Jurisdiction (AHJ), which may publish additional amendments.

Adoption details

Model code family: IPC / UPC
Adopted edition: North Dakota State Plumbing Code (UPC-based) 2021
Last verified: 2026-05-29
Source: Adoption tracker

Related resources for North Dakota

Frequently Asked Questions

What plumbing code does North Dakota use?

North Dakota currently follows North Dakota State Plumbing Code (UPC-based) 2021 for plumbing work. Always confirm the in-force edition with the local Authority Having Jurisdiction (AHJ) — county or city amendments can apply.

Do I need a permit for plumbing work in North Dakota?

Most plumbing work in North Dakota — including new installations, system replacement, and gas-fueled appliance hookups — requires a permit from the local building department and an inspection at completion. Homeowner permits are typically allowed for owner-occupied residences; commercial work requires a licensed contractor.

Where do I check North Dakota plumbing code amendments?

Local jurisdictions (city or county) often publish amendments on the state's building-codes board website or in the municipal code. The current North Dakota State Plumbing Code (UPC-based) 2021 text is published by its model-code body (ICC, IAPMO, or NFPA depending on the trade).

Reference guidance only — adoption editions and local amendments vary by city or county. Always confirm requirements with your local Authority Having Jurisdiction (AHJ) before designing, permitting, or constructing.

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