Is Sterling, VA Safe to Buy? Home Safety Score 49/100
Score 49/100 · Risk: moderate-high · Water Grade D · Updated 2026-05-03
Sterling has moderate-to-high risk. Several risk factors require careful evaluation.
Data: EPA SDWIS, FEMA NFIP, Census ACS, EPA Radon Zones Last verified: 2026-05-03
Although no safety investment is trivial, Sterling's remediation cost range is proportionally modest against home values here — a lower-tier figure within typical planning reach.
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. Sterling scores 49/100 with a "moderate-high" risk level.
Remediation Cost Breakdown
Estimated costs to address safety issues for a typical home in Sterling:
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 Sterling's 5 ZIP codes.
| ZIP Code | Score | Grade | |
|---|---|---|---|
| 20167 | 40 | D | View report → |
| 20164 | 45 | D | View report → |
| 20165 | 45 | D | View report → |
| 20163 | 53 | D | View report → |
| 20166 | 63 | C | View report → |
Home Safety Overview
Sterling, Virginia has moderate-to-high risk for homebuyers. The average home safety score is 49/100 across 5 ZIP codes. Several risk factors require careful evaluation during due diligence.
Safety Score Card
A composite view of Sterling's key risk indicators:
| Risk Factor | Value | Assessment |
|---|---|---|
| Water Quality | Grade D (49/100) | Elevated risk |
| Lead Risk | Testing pending | Low risk |
| Flood Risk | 80% in flood zones | Elevated risk |
| Radon | Zone 1 (High) | Elevated risk |
| Air Quality | AQI 58 (Moderate) | Moderate risk |
Cost to Fix: Remediation Breakdown
Estimated costs to address safety issues for a typical home in Sterling:
| Component | Estimated Cost |
|---|---|
| Radon | $1K |
| Flood Insurance | $1K |
| Pfas | $320 |
| Total (low estimate) | $2K |
| Total (mid estimate) | $3K |
| Total (high estimate) | $4K |
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 Sterling's ZIP codes. Lower scores indicate more risk factors:
Safety scores range from 40 (20167) to 63 (20166) — a spread of 23 points.
Sterling vs. Nearby Virginia Cities
How Sterling's overall risk compares to similar cities in Virginia:
| City | Water Grade | Lead ZIPs Over Limit | Flood Claims | Population |
|---|---|---|---|---|
| Sterling | D | 0 | 68 | 1,456,421 |
| Centreville | D | 0 | 30 | 1,164,309 |
| Merrifield | D | 0 | 0 | 1,151,613 |
| Herndon | C | 0 | 48 | 1,146,214 |
Homebuyer Safety Checklist for Sterling
Before purchasing a home in Sterling, Virginia, 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)
- Sterling is in Radon Zone 1 (High 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
- 80% of Sterling is in flood zones — verify insurance requirements
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: Sterling, VA
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
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