FEMA flood zone rules in Santa Clara, CA — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Santa Clara participates in the NFIP; properties in FEMA AE/AH zones near Guadalupe and San Tomas creeks need elevation certificates and flood insurance for federally-backed mortgages.
Santa Clara is a participating community in the FEMA National Flood Insurance Program and enforces Chapter 15.55 floodplain management regulations. Current FEMA Flood Insurance Rate Maps show Special Flood Hazard Areas (SFHAs) including AE and AH zones along the Guadalupe River, San Tomas Aquino Creek, and Saratoga Creek. Structures in SFHAs must have lowest floors elevated at least 1 foot above Base Flood Elevation (1 foot freeboard) and require elevation certificates sealed by a licensed surveyor. Federally-backed mortgages require flood insurance in SFHAs. Substantial improvements exceeding 50 percent of structure value trigger full code compliance. Valley Water manages creek channels and provides flood advisory services countywide.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Santa Clara County.
See how other cities in Santa Clara County handle flood zones.
See how Santa Clara's flood zones rules stack up against other locations.
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