Cass County, North Dakota
Casselton is a city in Cass County, North Dakota. Casselton adopts its own zoning, so inside its limits Casselton’s rules apply, not the county’s. 13 rules below are quoted from official sources and independently re-checked, most recently on November 6, 2026. Rules for unincorporated land are on the Cass County page.
Work performed under a Casselton building permit.
“With your permit, the Building Department will provide information about which inspections are needed. Their inspectors will inspect your work several times during construction”
Class B Daycare Facilities inside Casselton city limits.
“The proposed daycare facility must also be issued a Certificate of Occupancy from the City of Casselton building inspector prior to approval.”
Land inside Casselton city limits.
“This Ordinance shall be effective throughout the city’s land use jurisdiction. The city’s land use jurisdiction shall include all areas within its corporate boundaries”
Zoning districts inside Casselton city limits.
“The following zoning districts and district requirements are hereby established: 1. RL - Large Lot Residential”
Residential buildings inside Casselton city limits.
maximum residential building height: <= 35 feet (Includes apartments, sleeping rooms, and residences above commercial, service, and trade establishments)
“No residential building shall exceed a height of 35 feet, including apartments, sleeping rooms and residences located above commercial, service, and trade establishments.”
Manufactured or mobile homes moved into Casselton city limits.
HUD-label manufacture date: >= 1976-06-15 (Home moved into the city)
“Mobile home/manufactured homes shall be prohibited from being moved into the city if the HUD label manufacture date of the structure is prior to June 15, 1976.”
All new developments within Casselton city limits.
“all new developments within the city shall be connected to municipal sewer and water.”
Divisions of land inside Casselton city limits.
“Any division of land within the City’s planning jurisdiction shall be required to be platted unless one of the following exemptions apply:”
Sidewalks and driveways attaching to a street inside Casselton city limits.
“Sidewalks & Driveways that attach to the street – permits obtain directly from the city office.”
Building permits inside Casselton city limits.
“There is a charge for permits. Building department fees are based upon the value of the project and administration fees.”
Building-permit applications inside Casselton city limits.
typical processing time: 3-5 business days (Most building-permit applications; longer if application or plans are incomplete or inaccurate)
“Most other building permit applications may take 3-5 business days to process, however it may take longer if the application or building plans are not complete and accurate.”
Casselton does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Modular homes inside Casselton land-use jurisdiction, including city limits.
minimum gross floor area: >= 960 square feet (Modular home)
“(5) Has a minimum gross floor area of 960 square feet; and”
RL—Large Lot Residential district inside Casselton city limits.
side yard setback: >= 8 feet (RL district; 10 feet on corner lots) · front and rear yard setback: >= 25 feet (RL district)
“Standards - Side yard setbacks: 8′ - Side yard setbacks on corner lots: 10′ - Front and rear yard setback: 25′”
We looked and could not find an official answer yet. Silence is not permission; ask Casselton or Cass County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Casselton publishes no rule on the point, not that none exists. Cass County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Casselton means bringing your own water and power. The kit we’d start with:
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