North Dakota has no statewide ADU legislation, leaving all regulation to individual cities and counties. Most municipalities have restrictive zoning that does not explicitly permit ADUs.
Rules by State
/ North Dakota
North Dakota ADU Rules
North Dakota has no statewide ADU legislation, leaving all regulation to individual cities and counties. Most municipalities have restrictive zoning that does not explicitly permit ADUs.
ADU Friendliness Score
25
★ Restrictive
Size & Dimensions
Max ADU Size (Detached)
Varies by local ordinance
Max ADU Size (Attached)
Varies by local ordinance
Min ADU Size
No state standard
JADU Max Size
Varies by local ordinance
Max Height (Detached)
Determined locally
Stories Allowed
Determined locally
Setbacks & Lot Coverage
Rear Setback
Determined locally
Side Setback
Determined locally
Front Setback
Determined locally
Minimum Lot Size
Determined locally
Fire Sprinklers
Determined locally
Owner Occupancy & Rental Rules
Owner Occupancy Required?
Locally Regulated
Short-Term Rental (Airbnb)
Locally regulated
Rental Income Allowed?
Yes
ADUs Per Lot
Determined locally
Permitting Process
Review Timeline (Ministerial)
No state mandate
Permit Fees
Determined locally
Design Review Required?
Determined locally
Preapproved Plans Available?
No statewide program