To find the correct FIRM map for your property location, enter an address, a place, or longitude/latitude coordinates field and click "Search".
Flood Insurance Rate Maps and National Flood Insurance Program information are also available at the City's Public Works Counter. Private companies offer flood zone determinations based upon the current Flood Insurance Rate Map information. For floodplain questions, other than specific zone determinations, please email the Floodplain Administrator or call 949-449-1190.
River Flow Data
The following is U.S. Geological Survey (USGS) flow data for San Juan Creek and Trabuco Creek.