1 county-level rule, plus city-specific rules for 3 cities in Cass County, North Dakota.
Verified from official government sources
North Dakota has no statewide ADU mandate. In Cass County, zoning authority for unincorporated areas is delegated to organized townships under NDCC Title 11 (county powers) and NDCC Title 58 (township government). Most rural townships in Cass County have adopted their own zoning ordinances that govern accessory dwelling units, accessory structures, and setbacks. The Cass County Planning Office provides resources to townships but does not enforce a unified ADU code in unincorporated areas. Inside Fargo, West Fargo, and other municipalities, the city zoning code controls.
3 cities in Cass County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Cass County — parking, noise, fences, fires, animals, pools, and more.
Cass County Ordinance Hub →