New construction · San Diego
Do I need a soils report for new construction in San Diego?
A geotechnical (soils) report is effectively required for new construction in San Diego. City of San Diego Development Services Department (DSD) uses it to size the foundation, set drainage, and confirm compliance with California seismic provisions on the parcel.
What changes the answer in San Diego.
Bay Point Formation, terrace deposits, and ancient landslide complexes; geotech standard for hillside and bluff lots. Rose Canyon Fault Zone crosses La Jolla and Mission Bay area; Alquist-Priolo zones mapped.
- Bay Point Formation, terrace deposits, and ancient landslide complexes; geotech standard for hillside and bluff lots.
- Rose Canyon Fault Zone crosses La Jolla and Mission Bay area; Alquist-Priolo zones mapped.
- ESL steep-slope rules (>25%) restrict canyon and bluff development citywide.
- FEMA SFHA along Mission Valley, San Diego River corridor, and some coastal areas.
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 San Diego Development Services Department (DSD)
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Send us the address and we'll respond with a feasibility note that cites City of San Diego Development Services Department (DSD) and the parcel's actual constraints — not a generic checklist.
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