Frederick County, Virginia
9 ZIP codes · Avg score 65/100 · Grade C · Updated
ZipCheckup grade for Frederick County: C.
A mixed picture - some signals here are worth your attention.
The systems supplying Frederick County's 9 ZIP codes vary in performance - most meet minimum standards, but violations in select areas are on record.
How Frederick County Compares
How Frederick County Compares
Frederick County scores 10 points below the Virginia state average (75/100) and 8 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Frederick County, Virginia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13 (asthma 10.3%, diabetes 11.8%)
Estimated additional annual cost per homeowner: $2,306, driven primarily by sea_level
41.4% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,306
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
45,544 housing units in Frederick County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Frederick County
Remediation costs are relatively manageable for most homeowners in Frederick County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Frederick County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Frederick County
6 community water systems serving Frederick County.
- C
- C
- C
- C
- C
- C
Systems with the most violations in Frederick County
3 water systems with recorded EPA violations.
- C
- C
- C
All ZIP Codes in Frederick County
9 ZIP codes tracked in Frederick County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 22601 | Winchester | 65 | C | 3 | $322K |
| 2 | 22603 | Winchester | 65 | C | 3 | $332K |
| 3 | 22602 | Winchester | 64 | C | 7 | $351K |
| 4 | 22655 | Stephens City | 64 | C | 8 | $353K |
| 5 | 22622 | Brucetown | — | — | — | |
| 6 | 22624 | Clear Brook | — | — | $403K | |
| 7 | 22625 | Cross Junction | — | — | 0 | $292K |
| 8 | 22637 | Gore | — | — | 0 | $361K |
| 9 | 22656 | Stephenson | — | — | $411K |
Recommended Buyer Guides for Frederick County
Editorial-only picks, screened against the EPA detections on file.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Frederick County, Virginia
Overview
Frederick County in Virginia covers 9 tracked ZIP records with an average Home Safety Score of C (65/100) across 4 scored records.
4 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← Back to Virginia Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.