Flood Zones: Mountain View vs San Jose
How do flood zones rules compare between Mountain View, CA and San Jose, CA?
Mountain View and San Jose have similar restriction levels.
Mountain View, CA
Santa Clara County
Mountain View contains FEMA AE and X flood zones along Stevens Creek, Permanente Creek, and the Bay shoreline. Construction in special flood hazard areas requires elevation to BFE plus 1 foot and flood insurance.
View full Mountain View rules →San Jose, CA
Santa Clara County
San Jose has significant flood risk areas along Coyote Creek, Guadalupe River, and other waterways. SJMC Chapter 17.08 establishes floodplain management regulations implementing FEMA's National Flood Insurance Program (NFIP). Properties in Special Flood Hazard Areas (SFHA) must comply with elevation requirements, flood-proofing standards, and development restrictions. The February 2017 Coyote Creek flood prompted major infrastructure investments and updated floodplain mapping.
View full San Jose rules →Key Facts Comparison
| Fact | Mountain View | San Jose |
|---|---|---|
| High-risk zones | AE along creeks and Bay | - |
| Freeboard requirement | BFE plus 1 foot | - |
| Insurance mandate | SFHA with federal mortgage | - |
| Moderate risk | Zone X (downtown) | - |
| Map update | 2021 FEMA revision | - |
| Code Section | - | SJMC Chapter 17.08 |
| Freeboard | - | 1 foot above Base Flood Elevation required |
| Major Risk | - | Coyote Creek, Guadalupe River flood zones |
| NFIP | - | City participates in National Flood Insurance Program |
| 2017 Flood | - | Coyote Creek flood displaced 14,000+ residents |
Highlighted rows indicate differences between cities.
Mountain View FAQ
How do I check if my property is in a flood zone?
Use the FEMA Map Service Center at msc.fema.gov or Mountain View's GIS portal to look up your address and review the current Flood Insurance Rate Map panel.
Do I need flood insurance in Mountain View?
Only if your property is in Zone AE or VE with a federally-backed mortgage. Properties in Zone X are not required to carry flood insurance but may benefit from preferred-risk policies.
San Jose FAQ
How do I know if my property is in a flood zone?
Check FEMA's Flood Map Service Center at msc.fema.gov or contact the City's Public Works Department. Properties in SFHA zones are designated as AE, AH, or AO on flood maps.
Do I need flood insurance in San Jose?
Flood insurance is required for properties with federally backed mortgages in SFHA zones. Even outside designated zones, FEMA recommends coverage since 25% of claims come from non-SFHA areas.
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