{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/flood-zone/33149/","name":"Flood zone for ZIP 33149 — Key Biscayne, FL","description":"Flood zone data for ZIP 33149 (Key Biscayne, Florida), 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":"33149","city":"Key Biscayne","state":"FL","stateFull":"Florida","county":"Miami-Dade County","countySlug":"miami-dade-county","geo":{"latitude":25.6925,"longitude":-80.1597}},"stateContext":{"topConcern":"Hurricanes, sea-level rise, sinkholes","narrative":"Florida has the most extensive FEMA NFHL coverage in the US — coastal AE/VE zones plus inland AE driven by storm-surge modeling. Citizens Property Insurance Corp absorbs much of the high-risk private-market shedding. Radon risk concentrates in central FL limestone karst counties; sinkholes are tracked by FDEP separately."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/flood-zone/33149/","zipDashboardUrl":"https://zipradar.org/zip/33149/","zipDashboardApiUrl":"https://zipradar.org/api/zip/33149/","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/33149/"}}