Flood Zones: Fontana vs Hesperia
How do flood zones rules compare between Fontana, CA and Hesperia, CA?
Fontana has fewer restrictions than Hesperia.
Fontana, CA
San Bernardino County
Fontana participates in the National Flood Insurance Program using FEMA Flood Insurance Rate Maps. Areas near San Sevaine and Etiwanda Creek channels fall within Zone A and Zone AE.
View full Fontana rules →Hesperia, CA
San Bernardino County
Hesperia regulates development in special flood hazard areas (SFHAs) under Hesperia Municipal Code Chapter 8.28 (Flood Hazard Protections Regulations), implementing the National Flood Insurance Program (NFIP). The city's Floodplain Administrator (Cassandra Sanchez, (760) 947-1059) reviews proposed development in mapped FEMA flood zones. The city's website warns that current FIRMs are out of date and many formerly rural areas lack detailed mapping; a flood map modernization effort is underway. Property-specific flood risk can be checked via the city's GIS viewer at hesperia.geoviewer.io or the FEMA Map Service Center.
View full Hesperia rules →Key Facts Comparison
| Fact | Fontana | Hesperia |
|---|---|---|
| Program | NFIP (FEMA) | - |
| Key Zones | A, AE near channels | - |
| Freeboard | 1 ft above BFE typical | - |
| Rule Threshold | 50% substantial improvement | - |
| Insurance | Required in SFHA | - |
| Local ordinance | - | HMC Chapter 8.28 — Flood Hazard Protections Regulations |
| Floodplain Administrator | - | Cassandra Sanchez, (760) 947-1059 |
| Map status | - | City reports current FIRMs are out of date; modernization underway |
| Federal floor | - | 44 CFR Part 60 (NFIP minimum standards) |
Highlighted rows indicate differences between cities.
Fontana FAQ
Is my Fontana home in a FEMA flood zone?
Check the FEMA Map Service Center (msc.fema.gov) with your address. Properties near San Sevaine Creek, Etiwanda Creek, or Lytle Creek are most likely to be in Zone A or AE.
Do I need flood insurance in Fontana?
Federally backed mortgage lenders require NFIP flood insurance in Special Flood Hazard Areas. Elsewhere in Fontana flood insurance is optional.
Hesperia FAQ
How do I find out if my Hesperia property is in a flood zone?
Use the FEMA Map Service Center (msc.fema.gov) by address, the city's GIS viewer at hesperia.geoviewer.io, or call the Floodplain Administrator at (760) 947-1059. The city warns current FIRMs are out of date and detailed mapping is missing in some formerly rural areas.
Can I build in a Hesperia flood zone?
Yes, but development in a special flood hazard area requires review under HMC Chapter 8.28 (Flood Hazard Protections Regulations) and must meet NFIP standards at 44 CFR Part 60 — base flood elevation, anchoring, flood-resistant materials, and no obstruction of regulatory floodways.
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