{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/flood-zone/99501/","name":"Flood zone for ZIP 99501 — Anchorage, AK","description":"Flood zone data for ZIP 99501 (Anchorage, Alaska), 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":"Not on zipradar yet. The plan is the FEMA flood zone code, what it means in plain English, and the base flood elevation where assigned. Until then, look the address up on FEMA's Flood Map Service Center.","limitations":"For an official flood-zone determination (required by lenders), consult the FEMA Map Service Center directly. zipradar shows informational classifications only."},"place":{"zip":"99501","city":"Anchorage","state":"AK","stateFull":"Alaska","county":"Anchorage Municipality","countySlug":"anchorage-municipality","geo":{"latitude":61.2181,"longitude":-149.9003}},"stateContext":{"topConcern":"Permafrost, wildfire, and remote drinking-water systems","narrative":"Alaska's federated data carries unusual constraints: many parcels sit on permafrost where ground temperatures shape foundation risk; FEMA NFHL coverage is incomplete outside major boroughs; EPA SDWIS systems can be unincorporated or village-operated. Wildfire risk has accelerated 2020-2025 in the boreal interior."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/flood-zone/99501/","zipDashboardUrl":"https://zipradar.org/zip/99501/","zipDashboardApiUrl":"https://zipradar.org/api/zip/99501/","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/99501/"}}