COUNTY REPORT VA

Frederick County, Virginia

Name: Home Safety Data for Frederick County, Virginia
Creator: ZipCheckup
License: https://creativecommons.org/licenses/by/4.0/

9 ZIP codes · Avg score 65/100 · Grade C

ZipCheckup grade for Frederick County: C.

A mixed picture - some signals here are worth your attention.

If your home is in Frederick County, the C grade is a cue to open your ZIP code's report, one of 9 here, and see which factors weigh on the score.

How Frederick County Compares

Frederick County65/100

Virginia avg75/100

National avg73/100

How Frederick County Compares

County Grade

65/100

Avg Safety Score

ZIP Codes

Water Systems

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

County Grade

Avg Safety Score

ZIP Codes

Winchester

Best ZIP: 22601 (65/100)

Stephens City

Lowest ZIP: 22655 (64/100)

$352K

Median Home Value

$500

Avg Remediation (0.14% of home value)

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.

A B C D F

Key Risk Factors

Health risk index: 13 (asthma 10.3%, diabetes 11.8%)

Modeled additional annual cost estimate per homeowner: $1,122, largest modeled factor: Flood

35% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 10.3% (national: 8.9%)

Diabetes 11.8% (national: 10.5%)

Obesity 37.5% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1995

Median Build Year

35%

Pre-1980 Housing

33/100

Infrastructure Stress Indicator

13%

ZIPs with High Infrastructure Stress

Moderate

Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,122

Flood $543/yr

Sea Level Rise $400/yr

Energy Code Gap $281/yr

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

Pre-1940 8%

1940–1959 9%

1960–1979 18%

1980–1999 33%

2000+ 31%

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

$352K

Median Home Value

$500

Est. Remediation Cost

0.1%

of Home Value

Remediation as % of home value low burden

Modeled remediation costs in Frederick County can be compared with the median property value; actual costs vary by property.

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

Asthma 10.3% (US avg: 8.9%)

Diabetes 11.8% (US avg: 11%)

Obesity 37.5% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems mapped to Frederick County ZIP codes

6 community water systems mapped to Frederick County ZIP codes; EPA may list more systems serving the county.

Frederick Water
Serves ~46,206 people 3 violations

C
City of Winchester,
Serves ~28,248 people 1 violation

C
Stephens City, Town of
Serves ~2,700 people 4 violations

C
Lake Holiday Estates
Serves ~2,130 people

C
Middletown, Town of
Serves ~1,390 people

C
Shawnee Land
Serves ~330 people

C

Systems with the most violations in Frederick County

3 water systems with violations in EPA records.

Stephens City, Town of
Serves ~2,700 people 4 violations

C
Frederick Water
Serves ~46,206 people 3 violations

C
City of Winchester,
Serves ~28,248 people 1 violation

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

Up to five guides, picked by rule.

Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Best Sump Pumps — Flood is the top compound risk factor
Best Mold Test Kits — Flood-driven moisture and mold risk

Deep Dive Reports

Detailed analysis for Frederick County, Virginia

🏠

Home Affordability

Remediation costs vs. home values, equity trap analysis by ZIP

$500 avg remediation

🌊

Flood Risk

NFIP claim history and recorded rated-zone context across the county, plus FEMA property-map guidance

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.

Frequently Asked Questions

Is water safe in Frederick County?

Frederick County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.

How many water systems serve Frederick County?

We map 6 public water systems to 9 ZIP codes in our data for Frederick County. EPA may list more systems serving the county, so this is not a full count.

What is the biggest environmental risk in Frederick County?

In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Frederick County is flood. Across all modeled risk factors, the estimated average additional annual cost is $1,122 per homeowner; actual costs vary by home.

How old are homes in Frederick County?

The median home build year in Frederick County is 1995. 35% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How does Frederick County compare to Virginia?

Frederick County has an average Home Safety Score of 65/100 under model 4.0.0, which is below the Virginia state average of 75/100.

Explore More

Flood Risk Rankings 2026 Lead Risk Rankings 2026 Water Safety Rankings 2026 Home Safety Rankings 2026 Water Filter Matcher Find the right filter for your water Home Safety Score Full safety breakdown by ZIP

Virginia State Overview →