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Look up interior building code requirements across California. 58 counties with code data available. Verify requirements with your local AHJ.
Properties within the Coastal Zone require California Coastal Commission permits in addition to local building permits
Most of California falls within SDC D or E requiring enhanced seismic detailing for all residential construction
Alquist-Priolo Earthquake Fault Zones along the San Andreas Fault system. Special studies required for development within 50 ft of active faults. Affects San Francisco, San Mateo, Santa Cruz, San Benito, Monterey, San Luis Obispo, Santa Barbara, Ventura, LA, San Bernardino, Riverside, Imperial counties.
The California Coastal Act requires Coastal Development Permits (CDP) for development within the Coastal Zone. The Coastal Zone extends inland varying distances from the shoreline. Affects 15 coastal counties.
Areas with soil conditions susceptible to liquefaction during seismic events. Geotechnical investigation required per ASCE 7-22 Section 11.8.2.
California WUI zones require Chapter 7A compliance for exterior materials, roofing, and vegetation management
Pacific coast communities at risk from locally-generated and distant-source tsunamis. California has state-mandated tsunami hazard maps. ASCE 7-22 Chapter 6 tsunami provisions apply.
Enter your address for jurisdiction-specific interior code references, special zone checks, and downloadable reports.
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