Flood map coverage in Arizona
FEMA's National Flood Hazard Layer holds 3,812 FIRM panels for Arizona from 16 digital flood map databases, reaching 15 of its 15 counties. Computed September 29, 2026.
3,812FIRM panels
92%took effect before September 29, 2016
2026-01-09newest panel (04005C7500H)
660LOMRs 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 Apache County (04001C), last revised 2007-09-28.
A real lookup in Arizona
The point is the Census internal point of Coconino County, the county with Arizona's most recently effective FIRM panel. FEMA's map puts it in zone X (area of minimal flood hazard). Recorded September 29, 2026.
curl -sG https://api.floodzoneapi.com/api/v1/flood/zone \
-H "Authorization: Bearer $FZA_KEY" \
-d lat=35.82969 -d lon=-111.77373{
"query": {
"lat": 35.82969,
"lon": -111.77373
},
"location": {
"lat": 35.82969,
"lon": -111.77373,
"geocoder": null,
"precision": "input_coordinates",
"matched_address": null,
"candidates": null,
"county": null,
"county_fips": null,
"state": null
},
"flood_zone": {
"mapped": true,
"zone": "X",
"subtype": "AREA OF MINIMAL FLOOD HAZARD",
"description": "Area of minimal flood hazard. Outside the Special Flood Hazard Area.",
"sfha": false,
"static_bfe": null,
"depth": null,
"dfirm_id": "04005C",
"polygon_id": "04005C_1753",
"at_zone_boundary": false,
"other_zones": []
},
"firm_panel": {
"panel": "04005C4425G",
"effective_date": "2010-09-03",
"panel_type": "Countywide, Panel Printed",
"dfirm_id": "04005C",
"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": 35.82969,
"lon": -111.77373
},
"queried_at": "2026-09-29T08:37:31Z",
"cached": true,
"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 Arizona
| Map | DFIRM ID | ID type | Panels | Newest panel | Oldest panel | Over 10 years old | LOMRs in effect |
|---|---|---|---|---|---|---|---|
| Apache County | 04001C | County | 238 | 2007-09-28 | 2007-09-28 | 238 | 3 |
| Cochise County | 04003C | County | 291 | 2016-10-20 | 2008-08-28 | 288 | 11 |
| Coconino County | 04005C | County | 447 | 2026-01-09 | 2010-09-03 | 420 | 26 |
| Gila County | 04007C | County | 252 | 2007-12-04 | 2007-12-04 | 252 | 5 |
| Graham County | 04009C | County | 132 | 2007-09-28 | 2007-09-28 | 132 | 2 |
| Greenlee County | 04011C | County | 52 | 2007-09-28 | 2007-09-28 | 52 | 4 |
| La Paz County | 04012C | County | 162 | 2025-02-28 | 2008-08-28 | 143 | 0 |
| Maricopa County | 04013C | County | 494 | 2024-02-08 | 2013-10-16 | 390 | 292 |
| Mohave County | 04015C | County | 385 | 2025-10-30 | 2009-11-18 | 362 | 30 |
| Navajo County | 04017C | County | 300 | 2016-03-02 | 2008-09-26 | 300 | 5 |
| Pima County | 04019C | County | 299 | 2012-09-28 | 2011-06-16 | 299 | 112 |
| Pinal County | 04021C | County | 193 | 2025-11-28 | 2007-12-04 | 140 | 79 |
| Santa Cruz County | 04023C | County | 81 | 2011-12-02 | 2011-12-02 | 81 | 20 |
| Union County | 05139C | County | 41 | 2007-09-28 | 2007-09-28 | 41 | 0 |
| Yavapai County | 04025C | County | 274 | 2024-02-08 | 2010-09-03 | 193 | 66 |
| Yuma County | 04027C | County | 171 | 2014-01-16 | 2008-08-28 | 171 | 5 |
Source: FEMA NFHL layers 1, 3 and 22 and the Census Bureau county gazetteer, computed September 29, 2026. All states ยท API reference