Flood Zones: Anaheim vs Irvine
How do flood zones rules compare between Anaheim, CA and Irvine, CA?
Irvine has fewer restrictions than Anaheim.
Anaheim, CA
Orange County
Anaheim regulates development in flood zones under AMC 17.28 (Flood Hazard Reduction) and AMC 18.28 (Floodplain Overlay Zone). The Santa Ana River and its tributaries create FEMA-designated Special Flood Hazard Areas throughout the city.
View full Anaheim rules →Irvine, CA
Orange County
Irvine has flood risk areas primarily along San Diego Creek and its tributaries. FEMA Flood Insurance Rate Maps designate portions of the city as Special Flood Hazard Areas. The city's Grading and Building Codes require new construction in flood zones to meet elevation and construction standards. The Orange County Flood Control District manages regional flood infrastructure. Irvine participates in the National Flood Insurance Program.
View full Irvine rules →Key Facts Comparison
| Fact | Anaheim | Irvine |
|---|---|---|
| Codes | AMC 17.28 / 18.28 | - |
| Flood Source | Santa Ana River | - |
| Insurance | Required in SFHA | - |
| FEMA Maps | FIRM available online | - |
| Flood Risk | - | San Diego Creek and tributaries |
| FIRM Maps | - | FEMA panels for Orange County |
| Flood Control | - | Orange County Flood Control District |
| NFIP | - | City participates |
| Elevation | - | Required in Special Flood Hazard Areas |
Highlighted rows indicate differences between cities.
Anaheim FAQ
Is my Anaheim property in a flood zone?
Check FEMA's Flood Map Service Center or contact the Planning Department at 714-765-5139. The Santa Ana River creates significant flood hazard areas.
Do I need flood insurance in Anaheim?
If your property is in a Special Flood Hazard Area and has a federally insured mortgage, yes. Standard homeowner policies do not cover floods.
Irvine FAQ
Is my Irvine property in a flood zone?
Check FEMA Flood Insurance Rate Maps for Orange County. Properties near San Diego Creek and its tributaries may be in Special Flood Hazard Areas. Contact the city's Building Division for flood zone determinations.
What are the building requirements in Irvine flood zones?
New construction in flood zones must meet elevation and construction standards under the city's building code. The lowest floor must be above the base flood elevation. The Orange County Flood Control District manages regional flood infrastructure.
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