{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/flood-zone/90405/","name":"Flood zone for ZIP 90405 — Santa Monica, CA","description":"Flood zone data for ZIP 90405 (Santa Monica, California), sourced from FEMA NFHL.","topic":{"slug":"flood-zone","label":"Flood zone","source":"FEMA NFHL","sourceUrl":"https://www.fema.gov/flood-maps/national-flood-hazard-layer","refreshCadence":"Quarterly LOMA updates","summary":"Pages show the flood zone code, what it means in plain English (1% annual chance zone, 0.2% annual chance zone, or outside mapped hazard), and the base flood elevation where assigned.","limitations":"For an official flood-zone determination (required by lenders), consult the FEMA Map Service Center directly. zipradar shows informational classifications only."},"place":{"zip":"90405","city":"Santa Monica","state":"CA","stateFull":"California","county":"Los Angeles County","countySlug":"los-angeles-county","geo":{"latitude":34.0259,"longitude":-118.4731}},"stateContext":{"topConcern":"Wildfire (WUI), seismic, water-supply variability","narrative":"California carries the highest concentrated WUI wildfire risk in the US per USFS WHP, with FAIR Plan + non-renewal pressure intensifying since 2017 fires. FEMA NFHL coverage is strong; drinking-water systems vary from large urban (LADWP, EBMUD) to small disadvantaged community systems flagged in EPA SDWIS. Radon risk is mostly Zone 2-3."},"datePublished":"2026-04-24","dateModified":"2026-05-13","canonicalUrl":"https://zipradar.org/topic/flood-zone/90405/","zipDashboardUrl":"https://zipradar.org/zip/90405/","zipDashboardApiUrl":"https://zipradar.org/api/zip/90405/","primarySourceUrl":"https://www.fema.gov/flood-maps/national-flood-hazard-layer","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/flood-zone/90405/"}}