Flood Zones: Lancaster vs Pomona
How do flood zones rules compare between Lancaster, CA and Pomona, CA?
Pomona has fewer restrictions than Lancaster.
Lancaster, CA
Los Angeles County
Lancaster enforces FEMA flood zone development standards. Properties in Special Flood Hazard Areas face elevation requirements, flood insurance mandates, and construction restrictions.
View full Lancaster rules →Pomona, CA
Los Angeles County
Portions of Pomona fall within FEMA-designated flood zones, primarily along drainage channels. The city participates in the National Flood Insurance Program (NFIP) and requires compliance with floodplain development standards.
View full Pomona rules →Key Facts Comparison
| Fact | Lancaster | Pomona |
|---|---|---|
| SFHA Zones | Elevation required | - |
| Insurance | Required in flood zones | - |
| Floodway | No fill or structures | - |
| Topic | Flood Zones | - |
| NFIP Participant | - | Yes |
| Flood Maps | - | FEMA Flood Map Service Center |
| Building Code | - | CA Building Code floodplain provisions |
| Dept. | - | Water Resources Department |
| Stormwater | - | (909) 620-3654 |
Highlighted rows indicate differences between cities.
Lancaster FAQ
Is my property in a flood zone?
Check FEMA Flood Map Service Center or contact Lancaster planning department. Flood maps are updated periodically and your zone may have changed.
Do I need flood insurance?
Flood insurance is required for federally-backed mortgages in Special Flood Hazard Areas. Even outside SFHA zones, flood insurance is recommended.
Pomona FAQ
Is my Pomona property in a flood zone?
Check FEMA's Flood Map Service Center at msc.fema.gov for your property's flood zone designation. The city's Water Resources Department can also assist.
Do I need flood insurance in Pomona?
Properties in FEMA-designated Special Flood Hazard Areas are required to carry flood insurance if they have a federally backed mortgage.
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