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.

Current plumbing code adopted in North Dakota — edition, key amendments, permit and inspection guidance. Updated 2026.