COUNTY REPORT NJ

Somerset County, New Jersey

31 ZIP codes · Home Safety Score unavailable · 0 of 31 tracked ZIP records scored

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

Unavailable
0 of 31 tracked ZIP records scored
31
ZIP Codes
$537K
Median Home Value
$507
Avg Remediation (0.09% of home value)

ZIP Code Risk Map

Water Quality Map: Somerset 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: 10 (asthma 8%, diabetes 10.1%)

Modeled additional annual cost estimate per homeowner: $3,144, largest modeled factor: Flood

51% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 8% (national: 8.9%)
Diabetes 10.1% (national: 10.5%)
Obesity 26.3% (national: 32.4%)

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

Infrastructure Overview

1970
Median Build Year
51%
Pre-1980 Housing
51/100
Infrastructure Stress Indicator
82%
ZIPs with High Infrastructure Stress
High
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: $3,144

Flood $1,585/yr
Sea Level Rise $1,232/yr
Energy Code Gap $460/yr

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

Housing Age Distribution

139,493 housing units in Somerset County

Pre-1940 13%
1940–1959 16%
1960–1979 22%
1980–1999 35%
2000+ 14%

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 Somerset County

$537K
Median Home Value
$507
Est. Remediation Cost
0.1%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Somerset 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 Somerset County residents

Asthma 8% (US avg: 8.9%)
Diabetes 10.1% (US avg: 11%)
Obesity 26.3% (US avg: 32.4%)

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

Water systems mapped to Somerset County ZIP codes

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

Systems with the most violations in Somerset County

4 water systems with violations in EPA records.

All ZIP Codes in Somerset County

31 ZIP codes tracked in Somerset County.

# ZIP Code City Safety Score Grade Violations Home Value
1 07059 Warren — — 3 $899K
2 07060 Plainfield — — 0 $369K
3 07063 Plainfield — — 0 $363K
4 07069 Watchung — — 0 $838K
5 07920 Basking Ridge — — 5 $769K
6 07921 Bedminster — — 3 $431K
7 07924 Bernardsville — — 3 $734K
8 07931 Far Hills — — 3 $1084K
9 07938 Liberty Corner — — —
10 07939 Lyons — — 3 —
11 07977 Peapack — — $799K
12 07978 Pluckemin — — —
13 08502 Belle Mead — — 0 $766K
14 08504 Blawenburg — — —
15 08528 Kingston — — 17 (2 health) $235K
16 08553 Rocky Hill — — 1 $608K
17 08558 Skillman — — 0 $853K
18 08805 Bound Brook — — 0 $394K
19 08807 Bridgewater — — 0 $562K
20 08821 Flagtown — — 0 $447K
21 08823 Franklin Park — — 17 (2 health) $279K
22 08835 Manville — — 0 $321K
23 08836 Martinsville — — 0 $787K
24 08844 Hillsborough — — 0 $537K
25 08853 Neshanic Station — — 0 $639K
26 08869 Raritan — — 0 $449K
27 08873 Somerset — — 17 (2 health) $439K
28 08875 Somerset — — —
29 08876 Somerville — — 0 $468K
30 08880 South Bound Brook — — 0 $345K
31 08890 Zarephath — — 17 (2 health) —

Recommended Buyer Guides for Somerset County

These buyer guides are matched by rule rather than by hand - a PFAS record adds a PFAS filter guide, a lead action-level exceedance adds lead filter guides, a high share of pre-1978 homes adds lead paint test kits, EPA Radon Zone 1 add radon kits, and a top flood or wildfire risk adds related equipment.

Overview

Somerset County in New Jersey covers 31 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

11 of 26 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

How many water systems serve Somerset County?
We map 5 public water systems to 31 ZIP codes in our data for Somerset County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Somerset County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Somerset County is flood. Across all modeled risk factors, the estimated average additional annual cost is $3,144 per homeowner; actual costs vary by home.
How old are homes in Somerset County?
The median home build year in Somerset County is 1970. 51% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Somerset County, New Jersey Home Safety Profile. https://zipcheckup.com/county/new-jersey/somerset/
BibTeX
@misc{zipcheckup-county-new-jersey-somerset,
  author = {{ZipCheckup}},
  title  = {{Somerset County, New Jersey Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/new-jersey/somerset/}
}

Page version: October 2026.

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