COUNTY REPORT NY

Bronx County, New York

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

ZipCheckup grade for Bronx County: A.

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

Bronx County maintains reliable drinking water quality across all 25 of its tracked ZIP codes.

How Bronx County Compares

Bronx County100/100
New York avg84/100
National avg73/100

How Bronx County Compares

A
County Grade
100/100
Avg Safety Score
25
ZIP Codes
3
Water Systems

Bronx County scores 16 points above the New York state average (84/100) 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
25
ZIP Codes
Best ZIP: 10451 (100/100)
Lowest ZIP: 10475 (100/100)
$508K
Median Home Value
$2,368
Avg Remediation (47% of home value)

ZIP Code Risk Map

Water Quality Map: Bronx County, New York

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 11.8%, diabetes 16.1%)

Estimated additional annual cost per homeowner: $5,716, driven primarily by sea_level

83.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 11.8% (national: 8.9%)
Diabetes 16.1% (national: 10.5%)
Obesity 33.5% (national: 32.4%)

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

Infrastructure Overview

1956
Median Build Year
83.8%
Pre-1978 Housing
66/100
Infrastructure Stress Indicator
100%
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: $5,716

Sea Level Rise $3,000/yr
Flood $975/yr
Energy Code Gap $540/yr

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

Housing Age Distribution

551,859 housing units in Bronx County

Pre-1940 36%
1940–1959 24%
1960–1979 22%
1980–1999 8%
2000+ 10%

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 Bronx County

$508K
Median Home Value
$2,368
Est. Remediation Cost
0.5%
of Home Value
Remediation as % of home value low burden

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

Asthma 11.8% (US avg: 8.9%)
Diabetes 16.1% (US avg: 11%)
Obesity 33.5% (US avg: 32.4%)

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

Water systems serving Bronx County

3 community water systems serving Bronx County.

Environmental Justice Indicator

Bronx County scores in the 73th percentile on the EPA EJScreen composite index, indicating elevated environmental burden relative to the national average. Approximately 75% 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 Bronx County

25 ZIP codes tracked in Bronx County.

# ZIP Code City Safety Score Grade Violations Home Value
1 10451 Bronx 100 A 0 $264K
2 10452 Bronx 100 A 0 $263K
3 10453 Bronx 100 A 0 $580K
4 10454 Bronx 100 A 0 $781K
5 10455 Bronx 100 A 0 $349K
6 10456 Bronx 100 A 0 $429K
7 10457 Bronx 100 A 0 $337K
8 10458 Bronx 100 A 0 $516K
9 10459 Bronx 100 A 0 $590K
10 10460 Bronx 100 A 0 $589K
11 10461 Bronx 100 A 0 $640K
12 10462 Bronx 100 A 0 $372K
13 10463 Bronx 100 A 0 $352K
14 10464 Bronx 100 A 0 $668K
15 10465 Bronx 100 A 0 $602K
16 10466 Bronx 100 A 0 $605K
17 10467 Bronx 100 A 0 $426K
18 10468 Bronx 100 A 0 $259K
19 10469 Bronx 100 A 0 $640K
20 10470 Bronx 100 A 0 $500K
21 10471 Bronx 100 A 0 $407K
22 10472 Bronx 100 A 0 $633K
23 10473 Bronx 100 A 0 $587K
24 10474 Bronx 100 A 0
25 10475 Bronx 100 A 0 $32K

Recommended Buyer Guides for Bronx County

Editorial-only picks, screened against the EPA detections on file.

Overview

Bronx County in New York covers 25 tracked ZIP records with an average Home Safety Score of A (100/100) across 25 scored records.

The available EPA record reports 0 violations for 25 ZIP codes with a reported violation count.

← Back to New York 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 Bronx County?
Bronx County receives a grade of A, indicating generally safe tap water across its 25 ZIP codes.
How many water systems serve Bronx County?
Bronx County is served by 3 public water systems that supply drinking water to residents across 25 ZIP codes.
What is the biggest environmental risk in Bronx County?
The primary environmental risk factor in Bronx County is sea_level. This contributes to an estimated additional annual cost of $5,716 per homeowner.
How old are homes in Bronx County?
The median home build year in Bronx County is 1956. 83.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Bronx County compare to New York?
Bronx County has an average Home Safety Score of 100/100 under model 4.0.0, which is above the New York state average of 84/100.

How to cite this page

APA ZipCheckup. (2026). Bronx County, NY: HSS 100/100; High Radon Risk. https://zipcheckup.com/county/new-york/bronx/
BibTeX
@misc{zipcheckup-county-new-york-bronx,
  author = {{ZipCheckup}},
  title  = {{Bronx County, NY: HSS 100/100; High Radon Risk}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/new-york/bronx/}
}

Page version: August 2026.

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