Yellowstone County's zoning ordinance has no separate carport standard; a carport is treated as an accessory building. In the zoning area around Billings that means rear-yard placement with at least a two-foot setback from lot lines and alley. On unzoned rural county land the county sets no rule.
The county's adopted Zoning Ordinance does not single out carports; an open, roofed vehicle shelter is regulated as an accessory building. Under 17.48.060, accessory buildings in a residential district must sit in the rear yard, at least two feet from the rear or side lot line and two feet from the alley, and detached garages/shelters on an inside lot may match the principal building's street setback while keeping the required side-yard width. A carport attached to the house is treated as part of the principal building and must meet the house's front, side and rear yard setbacks for the district. On unzoned rural county land the county imposes no carport setback; only state building code and any covenant apply. Confirm
A carport placed inside the required setback in the county zoning area is a zoning violation subject to Code Enforcement correction (406-652-2050). No county setback applies on unzoned rural land.
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Yellowstone County, MT
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Yellowstone County, MT
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