Check YOUR Exact Address in Tucson
Tucson, AZ Flood Zone Map
Is Tucson in a flood zone? Yes -- about 1% of its mapped area is in a FEMA high-risk flood zone (Special Flood Hazard Area). FEMA NFHL data shows the mapped zone breakdown below. FEMA OpenFEMA NFIP Redacted Claims v3 records 776 claims in Arizona since 2016; 33% of all recorded Arizona claims are outside high-risk zones (claims data fetched 2026-10-06).
Sources: FEMA NFHL; US Census TIGERweb; FEMA OpenFEMA NFIP Redacted Claims v3.
Data as of Oct 6, 2026 (FEMA OpenFEMA NFIP claims)
Published by checkmyfloodzone.com. Last updated: .
- High risk
- Moderate
- Lower risk
- Not mapped
Flood Zone Breakdown for Tucson
About 1% of the mapped area in Tucson falls within a FEMA Special Flood Hazard Area (high-risk or moderate-risk flood zone). The breakdown by zone:
- AE 1% Zone AE
- A 0% Zone A
- X 76% Zone X
- D 23% Zone D
Mapped Waterways Near Tucson
FEMA NFHL mapped zones: A, AE, AH, AO, D, X; US Census TIGERweb water features: Molina Wash, Santa Cruz Riv, Drainage Way.. The FEMA NFHL fixture maps zones A, AE, AH, AO, D, X within the Tucson, Arizona area. US Census TIGERweb maps Molina Wash, Santa Cruz Riv, Drainage Way in the same extent. These layers describe area-wide patterns; check an exact address for a property-level flood-zone result.
- Molina Wash
- Santa Cruz Riv
- Drainage Way
- Agua Caliente Wash
- New Julian Wash
- Flood Detention Reservoir
- Sabino Crk
- Arcadia Wash
Flood Zone Details for Tucson
| Zone | Risk level | Area | Insurance |
|---|---|---|---|
| AE | High-risk riverine or coastal flood zone with a computed base flood elevation (BFE). About a 1-in-100 chance of flooding each year. | 1% | Flood insurance is typically required for federally backed mortgages. |
| A | High-risk flood zone without a detailed BFE study. About a 1-in-100 chance of flooding each year. | 0% | Flood insurance is typically required for federally backed mortgages. |
| X | Lower-risk zone outside the 1% annual chance flood boundary. Flooding is still possible but less likely than in high-risk zones. | 76% | Flood insurance is not required but may still be a smart choice -- nearly one-third of flood claims (29% over 2014-2024) come from lower-risk areas. |
| D | Unstudied area where flood hazard has not been determined. Flood risk is unknown. | 23% | FEMA has not determined the flood hazard for this area. Ask your lender about insurance requirements. |