COUNTY REPORT NJ

Union County, New Jersey

30 ZIP codes · Avg score 67/100 · Grade C · Updated

ZipCheckup grade for Union County: C.

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

The systems supplying Union County's 30 ZIP codes vary in performance - most meet minimum standards, but violations in select areas are on record.

How Union County Compares

Union County67/100
New Jersey avg61/100
National avg73/100

How Union County Compares

C
County Grade
67/100
Avg Safety Score
30
ZIP Codes
8
Water Systems

Union County scores 6 points above the New Jersey state average (61/100) and 6 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:

C
County Grade
67
Avg Safety Score
30
ZIP Codes
Best ZIP: 07016 (67/100)
Lowest ZIP: 07206 (66/100)
$447K
Median Home Value
$2,633
Avg Remediation (59% of home value)

ZIP Code Risk Map

Water Quality Map: Union County, New Jersey

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: 11.2 (asthma 9%, diabetes 11.6%)

Estimated additional annual cost per homeowner: $3,965, driven primarily by flood

84.5% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 9% (national: 8.9%)
Diabetes 11.6% (national: 10.5%)
Obesity 29.7% (national: 32.4%)

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

Infrastructure Overview

1955
Median Build Year
84.5%
Pre-1978 Housing
61/100
Infrastructure Stress Indicator
96%
ZIPs with High Infrastructure Stress
High
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: $3,965

Flood $2,021/yr
Energy Code Gap $540/yr
Sea Level Rise $487/yr

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

Housing Age Distribution

224,736 housing units in Union County

Pre-1940 24%
1940–1959 34%
1960–1979 21%
1980–1999 10%
2000+ 11%

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 Union County

$447K
Median Home Value
$2,633
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 9% (US avg: 8.9%)
Diabetes 11.6% (US avg: 11%)
Obesity 29.7% (US avg: 32.4%)

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

Water systems serving Union County

8 community water systems serving Union County.

Show all 8 water systems

Systems with the most violations in Union County

5 water systems with recorded EPA violations.

Environmental Justice Indicator

Union County scores in the 71th percentile on the EPA EJScreen composite index, indicating elevated environmental burden relative to the national average. Approximately 40% of residents live in areas classified as disadvantaged communities. EJScreen measures cumulative environmental and demographic factors including air quality, proximity to hazardous sites, and socioeconomic vulnerability. Learn more at EPA.gov

All ZIP Codes in Union County

30 ZIP codes tracked in Union County.

# ZIP Code City Safety Score Grade Violations Home Value
1 07016 Cranford 67 C 0 $636K
2 07023 Fanwood 67 C 0 $611K
3 07027 Garwood 67 C 0 $510K
4 07033 Kenilworth 67 C 0 $521K
5 07062 Plainfield 67 C 0 $374K
6 07066 Clark 67 C 0 $570K
7 07076 Scotch Plains 67 C 0 $697K
8 07081 Springfield 67 C 3 $591K
9 07083 Union 67 C 0 $426K
10 07088 Vauxhall 67 C 0 $344K
11 07090 Westfield 67 C 0 $931K
12 07092 Mountainside 67 C 0 $756K
13 07201 Elizabeth 67 C 0 $413K
14 07202 Elizabeth 67 C 0 $358K
15 07203 Roselle 67 C 0 $337K
16 07204 Roselle Park 67 C 0 $406K
17 07208 Elizabeth 67 C 0 $426K
18 07901 Summit 67 C 3 $959K
19 07922 Berkeley Heights 67 C 3 $697K
20 07974 New Providence 67 C 3 $726K
21 07036 Linden 66 C 1 $385K
22 07065 Rahway 66 C 3 $362K
23 07087 Union City 66 C 3 (1 health) $447K
24 07206 Elizabethport 66 C 2 (1 health) $339K
25 07061 Plainfield
26 07091 Westfield
27 07205 Hillside 0 $363K
28 07207 Elizabeth
29 07902 Summit
30 08348 Port Elizabeth

Recommended Buyer Guides for Union County

Filtered against federal data, fitted to local risks.

Overview

Union County in New Jersey covers 30 tracked ZIP records with an average Home Safety Score of C (67/100) across 24 scored records.

8 of 25 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

← Back to New Jersey 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 Union County?
Union 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 Union County?
Union County is served by 8 public water systems that supply drinking water to residents across 30 ZIP codes.
What is the biggest environmental risk in Union County?
The primary environmental risk factor in Union County is flood. This contributes to an estimated additional annual cost of $3,965 per homeowner.
How old are homes in Union County?
The median home build year in Union County is 1955. 84.5% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Union County compare to New Jersey?
Union County has an average Home Safety Score of 67/100 under model 4.0.0, which is above the New Jersey state average of 61/100.

How to cite this page

APA ZipCheckup. (2026). Union County, NJ: HSS 67/100; 2 Health Violations. https://zipcheckup.com/county/new-jersey/union/
BibTeX
@misc{zipcheckup-county-new-jersey-union,
  author = {{ZipCheckup}},
  title  = {{Union County, NJ: HSS 67/100; 2 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/new-jersey/union/}
}

Page version: August 2026.

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