New construction · Santa Monica
Do I need a soils report for new construction in Santa Monica?
A geotechnical (soils) report is effectively required for new construction in Santa Monica. City of Santa Monica Building & Safety uses it to size the foundation, set drainage, and confirm compliance with California seismic provisions on the parcel.
What changes the answer in Santa Monica.
Coastal alluvium; liquefaction potential in mapped zones. Santa Monica Fault crosses the city; CGS EQ Zone App lists Alquist-Priolo and liquefaction zones in portions of the flats.
- Coastal alluvium; liquefaction potential in mapped zones.
- Santa Monica Fault crosses the city; CGS EQ Zone App lists Alquist-Priolo and liquefaction zones in portions of the flats.
- Minimal SFHA exposure; some tsunami inundation mapping along the beach corridor.
Source-backed note
California Geological Survey publishes seismic-hazard and liquefaction maps; parcels inside designated zones require a site-specific geotechnical investigation under CBC §1803.
Reference: California Geological Survey — Seismic Hazard Zones — California Department of Conservation
Local authority: City of Santa Monica Building & Safety
Get a Santa Monica-specific answer for your parcel.
Send us the address and we'll respond with a feasibility note that cites City of Santa Monica Building & Safety and the parcel's actual constraints — not a generic checklist.
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