Is Surprise, AZ Safe to Buy? Home Safety Score 53/100
Score 53/100 · Risk: moderate · Water Grade D · Updated 2026-05-03
Surprise has moderate risk. Some factors warrant attention during the home buying process.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
For homeowners in Surprise, the repair investment here carries a proportionally contained equity footprint.
What is a home safety score?
The home safety score (0-100) combines multiple environmental risk factors into a single number: water quality grade, lead contamination levels, flood zone exposure, radon risk, and air quality. A higher score means lower overall risk. The score helps homebuyers compare neighborhoods at a glance. Surprise scores 53/100 with a "moderate" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Surprise:
Cost ranges are estimates based on national averages. Actual costs vary by property. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Safety scores vary across Surprise's 5 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 85374 | 52 | D | View report → |
| 85378 | 52 | D | View report → |
| 85379 | 52 | D | View report → |
| 85388 | 52 | D | View report → |
| 85387 | 59 | C | View report → |
Home Safety Overview
Surprise, Arizona has moderate risk for homebuyers. The average home safety score is 53/100 across 5 ZIP codes. Some risk factors warrant attention during the home buying process.
Safety Score Card
A composite view of Surprise's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade D (53/100) | Elevated risk |
| Lead Risk | 0.0141 mg/L | Moderate risk |
| Flood Risk | 20% in flood zones | Moderate risk |
| Radon | Zone 2 (Moderate) | Moderate risk |
| Air Quality | AQI 148 (USG) | Elevated risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Surprise:
| Component | Estimated Cost |
|---|---|
| Radon | $400 |
| Filtration | $300 |
| Flood Insurance | $240 |
| Pfas | $100 |
| Total (low estimate) | $370 |
| Total (mid estimate) | $1K |
| Total (high estimate) | $2K |
Cost ranges are estimates based on national averages and local data. Actual costs vary by property condition, contractor, and scope of work. Get 3 quotes before proceeding.
Per-ZIP Home Safety Scores
Home safety varies across Surprise's ZIP codes. Lower scores indicate more risk factors:
Surprise vs. Nearby Arizona Cities
How Surprise's overall risk compares to similar cities in Arizona:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Surprise | D | 0 | 3 | 201,210 |
| Peoria | C | 0 | 28 | 200,289 |
| Glendale Luke Afb | D | 0 | 0 | 234,766 |
| Tempe | B | 0 | 40 | 166,887 |
Homebuyer Safety Checklist for Surprise
Before purchasing a home in Surprise, Arizona, complete these checks:
Water Quality
- Request the latest Consumer Confidence Report (CCR) from the water utility
- Test tap water for lead, bacteria, and nitrates ($20-$50 for DIY kit)
Radon
- Conduct a radon test ($15-$30 for short-term kit, $150-$300 for professional)
- Surprise is in Radon Zone 2 (Moderate risk) — testing is strongly recommended
Flood Risk
- Check the property's FEMA flood zone at msc.fema.gov
- Ask about flood history and past insurance claims
Lead Paint & Pipes
- For homes built before 1978: request lead paint disclosure
- For homes built before 1986: inspect plumbing for lead solder and pipes
General
- Check for carbon monoxide detectors on every level
- Inspect for visible mold, water stains, or musty odors
- Verify the home's connection to a regulated public water system
Data Sources
- Water quality: EPA SDWIS
- Lead: EPA Lead and Copper Rule
- Flood: FEMA NFIP
- Radon: EPA Radon Zones
- Air quality: EPA AirNow
- Home values: U.S. Census Bureau ACS B25077
- Remediation costs: National cost model (EPA, Census, FEMA data)
Updated daily.
Water Quality Map: Surprise, AZ
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
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