Accessory Structures in Isleton, CA (2026)
5 verified accessory structures rules for Isleton, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
California state ADU law (Gov Code 65852.2) overrides most local rules. Isleton must allow up to 800 sq ft detached ADUs with 4-foot setbacks. Delta flood zone adds FEMA elevation requirements.
Accessory Structures: Adu Rules
Some RestrictionsShed Rules
Sheds under 120 square feet are exempt from building permits in Isleton under California Building Code 105.2. Sheds must still meet zoning setbacks and FEMA flood elevation.
Accessory Structures: Shed Rules
Few RestrictionsGarage Conversions
California AB 68 and SB 13 streamlined garage-to-ADU conversions and removed required replacement parking in most cases. Flood elevation still applies in Isleton's FEMA AE zone.
Accessory Structures: Garage Conversions
Some RestrictionsCarport Rules
Isleton requires every dwelling on a non-mobile-home lot to have a garage or carport (Zoning Code Sec. 1205.B.1). Detached garages and carports on the front half of the lot must use approved roofing materials (wood shakes, asphalt or wood shingles, clay/tile/concrete/metal tile, slate, or built-up asphalt-gravel). Alley-accessed garages and carports must be set back at least 27 feet from the opposite alley right-of-way line.
Carport Rules in Isleton
Some RestrictionsTiny Homes
Tiny homes on permanent foundations are regulated as ADUs under Gov Code 65852.2. Tiny homes on wheels (THOW) are regulated as recreational vehicles and cannot be used as permanent dwellings.
Accessory Structures: Tiny Homes
Some RestrictionsLooking for Sacramento County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Isleton city rules.
Accessory Structures in Sacramento County →