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.
California Building Code Section 105.2 exempts one-story detached accessory structures used as sheds or playhouses with a floor area not exceeding 120 square feet from building-permit requirements. Isleton follows the state exemption. Sheds must still meet Sacramento County residential zoning setbacks (typically 5 feet from rear and side property lines) and cannot be placed in the front-yard setback. Because Isleton is entirely in FEMA Special Flood Hazard Area, sheds over a threshold value or that contain utilities may need floodplain-development permits even if exempt from building permits. Electrical service to a shed requires a separate electrical permit.
Contact your local code enforcement office for specific penalty information.
See how other cities in Sacramento County handle shed rules.
See how Isleton's shed rules rules stack up against other locations.
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