FEMA flood zone rules in Chandler, AZ — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Chandler participates in the National Flood Insurance Program and regulates floodplain development through its Municipal Code and coordination with Maricopa County Flood Control District. The city has flood risk from desert washes, the Salt River, and monsoon storms. Construction in FEMA-designated flood zones requires elevation or floodproofing. The city maintains flood control channels and retention basins throughout the community.
Chandler participates in FEMA's National Flood Insurance Program (NFIP) and floodplain development is regulated by the Maricopa County Flood Control District under Title 48 of the Arizona Revised Statutes. Special Flood Hazard Areas are identified on Flood Insurance Rate Maps (FIRMs) available at the Chandler Public Library and FEMA Flood Map Service Center. Any development in a designated floodplain must meet local, state, and federal regulations. New habitable construction must be built above the Base Flood Elevation (BFE), the predicted highest water elevation during a 100-year flood event. Permits are required for any building or site alterations in flood zones. Chandler's relatively flat terrain and desert climate produce flash flood risks during monsoon season (July through September).
Building in floodplain without permit: stop-work order. Non-compliant construction below BFE: required to elevate or demolish. NFIP eligibility may be affected.
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Side-by-side rule comparisons with other cities in Maricopa County.
See how other cities in Maricopa County handle flood zones.
See how Chandler's flood zones rules stack up against other locations.
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