COUNTY REPORT VA

Hanover County, Virginia

9 ZIP codes · Avg score 100/100 · Grade A · Updated

ZipCheckup grade for Hanover County: A.

No federal data flags a major home-safety concern for this ZIP.

Although county size varies, Hanover County's 9 ZIP codes share reliably safe tap water records and above-average compliance scores.

How Hanover County Compares

Hanover County100/100
Virginia avg75/100
National avg73/100

How Hanover County Compares

A
County Grade
100/100
Avg Safety Score
9
ZIP Codes
12
Water Systems

Hanover County scores 25 points above the Virginia state average (75/100) and 27 points above 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:

A
County Grade
100
Avg Safety Score
9
ZIP Codes
Best ZIP: 23005 (100/100)
Lowest ZIP: 23116 (100/100)
$391K
Median Home Value
$1,900
Avg Remediation (49% of home value)

ZIP Code Risk Map

Water Quality Map: Hanover 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: 12.3 (asthma 10.1%, diabetes 11.6%)

Estimated additional annual cost per homeowner: $3,612, driven primarily by sea_level

45.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.1% (national: 8.9%)
Diabetes 11.6% (national: 10.5%)
Obesity 32.9% (national: 32.4%)

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

Infrastructure Overview

1984
Median Build Year
45.5%
Pre-1978 Housing
31/100
Infrastructure Stress Indicator
0%
ZIPs with High Infrastructure Stress
Moderate
Lead Pipe Risk

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: $3,612

Sea Level Rise $3,000/yr
Flood $371/yr
Energy Code Gap $270/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

42,843 housing units in Hanover County

Pre-1940 3%
1940–1959 7%
1960–1979 22%
1980–1999 39%
2000+ 28%

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 Hanover County

$391K
Median Home Value
$1,900
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Hanover 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 Hanover County residents

Asthma 10.1% (US avg: 8.9%)
Diabetes 11.6% (US avg: 11%)
Obesity 32.9% (US avg: 32.4%)

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

Water systems serving Hanover County

8 community water systems serving Hanover County.

Show all 8 water systems

12 total water systems serve Hanover County.

Systems with the most violations in Hanover County

1 water system with recorded EPA violations.

All ZIP Codes in Hanover County

9 ZIP codes tracked in Hanover County.

# ZIP Code City Safety Score Grade Violations Home Value
1 23005 Ashland 100 A 0 $376K
2 23069 Hanover 100 A 0 $339K
3 23111 Mechanicsville 100 A 0 $325K
4 23116 Mechanicsville 100 A 0 $406K
5 23015 Beaverdam 0 $431K
6 23047 Doswell $419K
7 23146 Rockville 1 $443K
8 23162 Studley
9 23192 Montpelier $369K

Recommended Buyer Guides for Hanover County

Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.

Overview

Hanover County in Virginia covers 9 tracked ZIP records with an average Home Safety Score of A (100/100) across 4 scored records.

1 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

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Hanover County?
Hanover County receives a grade of A, indicating generally safe tap water across its 9 ZIP codes.
How many water systems serve Hanover County?
Hanover County is served by 12 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Hanover County?
The primary environmental risk factor in Hanover County is sea_level. This contributes to an estimated additional annual cost of $3,612 per homeowner.
How old are homes in Hanover County?
The median home build year in Hanover County is 1984. 45.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Hanover County compare to Virginia?
Hanover County has an average Home Safety Score of 100/100 under model 4.0.0, which is above the Virginia state average of 75/100.

How to cite this page

APA ZipCheckup. (2026). Hanover County, VA: HSS 100/100; 1 Violation. https://zipcheckup.com/county/virginia/hanover/
BibTeX
@misc{zipcheckup-county-virginia-hanover,
  author = {{ZipCheckup}},
  title  = {{Hanover County, VA: HSS 100/100; 1 Violation}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/virginia/hanover/}
}

Page version: August 2026.

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