Flood map coverage in Puerto Rico

FEMA's National Flood Hazard Layer holds 297 FIRM panels for Puerto Rico from 1 digital flood map database, reaching 78 of its 78 counties. Computed September 29, 2026.

297FIRM panels

100%took effect before September 29, 2016

2009-11-18newest panel (72000C0380J)

7LOMRs in effect

What to expect from lookups here

Every county has at least one digital FIRM in the NFHL.
The map that has gone longest without a new panel is Puerto Rico (72000C), last revised 2009-11-18.

A real lookup in Puerto Rico

The point is the center of FIRM panel 72000C0380J, Puerto Rico's most recently effective printed panel. FEMA's digital map has no flood hazard area there, so the answer says unmapped instead of guessing a zone. Recorded September 29, 2026.

Request

curl -sG https://api.floodzoneapi.com/api/v1/flood/zone \
  -H "Authorization: Bearer $FZA_KEY" \
  -d lat=18.46875 -d lon=-65.96875

Response 200

{
  "query": {
    "lat": 18.46875,
    "lon": -65.96875
  },
  "location": {
    "lat": 18.46875,
    "lon": -65.96875,
    "geocoder": null,
    "precision": "input_coordinates",
    "matched_address": null,
    "candidates": null,
    "county": null,
    "county_fips": null,
    "state": null
  },
  "flood_zone": {
    "mapped": false,
    "zone": null,
    "subtype": null,
    "description": "FEMA's digital flood map (NFHL) has no flood hazard area at this point. The area may have only paper maps, no FEMA map, or lie outside the United States. This is not the same as Zone X.",
    "sfha": null,
    "static_bfe": null,
    "depth": null,
    "dfirm_id": null,
    "polygon_id": null,
    "at_zone_boundary": false,
    "other_zones": []
  },
  "firm_panel": {
    "panel": "72000C0380J",
    "effective_date": "2009-11-18",
    "panel_type": "Countywide, Panel Printed",
    "dfirm_id": "72000C",
    "other_panels": []
  },
  "source": {
    "dataset": "FEMA National Flood Hazard Layer (NFHL)",
    "service": "https://hazards.fema.gov/arcgis/rest/services/public/NFHL/MapServer",
    "layers": [
      {
        "id": 28,
        "name": "Flood Hazard Zones"
      },
      {
        "id": 3,
        "name": "FIRM Panels"
      }
    ],
    "query_point": {
      "lat": 18.46875,
      "lon": -65.96875
    },
    "queried_at": "2026-09-29T08:42:59Z",
    "cached": false,
    "cache_ttl_seconds": 86400
  },
  "notice": "Informational. This is the zone shown on FEMA's effective flood map (NFHL) at this point. It is not a Standard Flood Hazard Determination (FEMA Form 086-0-32), a prediction of flood risk, or an insurance quote, and it does not reflect a Letter of Map Amendment issued for a single structure."
}

Every digital flood map in Puerto Rico

Dates are panel effective dates (YYYY-MM-DD). "Placeholder" means FEMA's record carries a non-date such as 9999-09-09. "Over 10 years old" counts panels effective before September 29, 2016. "LOMRs in effect" are Letters of Map Revision not yet folded into a new FIRM. The DFIRM ID appears in responses as `flood_zone.dfirm_id` and `firm_panel.dfirm_id`.
Map	DFIRM ID	ID type	Panels	Newest panel	Oldest panel	Over 10 years old	LOMRs in effect
Puerto Rico	72000C	Community-numbered	297	2009-11-18	2005-04-19	297	7

Source: FEMA NFHL layers 1, 3 and 22 and the Census Bureau county gazetteer, computed September 29, 2026. All states · API reference