Phoenix, AZ real-estate risk
Phoenix, AZ (Maricopa County) carries a FEMA National Risk Index score of 99.9/100 — rated "Very High" — driven mainly by heat wave and riverine flood, with roughly $2.2B in expected natural-hazard losses per year (FEMA NRI, 2025).
Hazard scores (0–100)
Expected annual loss
$2.2B/yr
all natural hazards, county-wide
Buildings-only loss
$1.2B/yr
the part that hits owners + insurers
What it means for insurance
Severe convective storms (tornado/hail) drive the insurance cost here — wind/hail deductibles and roof age are what underwriters price, and what's been pushing Midwest/Plains premiums up.
Phoenix risk — FAQ
Is Phoenix, AZ a high-risk area for real estate?
Phoenix scores 99.9/100 on FEMA's National Risk Index — rated "Very High" versus all US counties. Its expected natural-hazard loss is about $2.2B per year.
What is the biggest natural hazard in Phoenix?
The highest-rated hazard is heat wave (100/100), followed by riverine flood (99.9/100).
How does hazard risk affect property insurance in Phoenix?
Severe convective storms (tornado/hail) drive the insurance cost here — wind/hail deductibles and roof age are what underwriters price, and what's been pushing Midwest/Plains premiums up.
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Source: FEMA National Risk Index (Counties), v1.20 (2026-06-13). Scores are national percentiles (0–100). Insurance commentary is PropHunt's interpretation of the hazard data, not an insurance quote.
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