COUNTY REPORT NY

Putnam County, New York

9 ZIP codes · Avg score 61/100 · Grade C

ZipCheckup grade for Putnam County: C.

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

ZipCheckup gives Putnam County a C; the county page lists 9 ZIP codes, each with its own report.

How Putnam County Compares

Putnam County61/100
New York avg84/100
National avg73/100

How Putnam County Compares

C
County Grade
61/100
Avg Safety Score
9
ZIP Codes
25
Water Systems

Putnam County scores 23 points below the New York state average (84/100) and 12 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

C
County Grade
61
Avg Safety Score
9
ZIP Codes
Best ZIP: 10512 (63/100)
Lowest ZIP: 12563 (59/100)
$454K
Median Home Value
$1,212
Avg Remediation (0.27% of home value)

ZIP Code Risk Map

Water Quality Map: Putnam 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: 10.9 (asthma 9.9%, diabetes 9.7%)

Modeled additional annual cost estimate per homeowner: $2,747, largest modeled factor: Flood

68% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 9.9% (national: 8.9%)
Diabetes 9.7% (national: 10.5%)
Obesity 27.5% (national: 32.4%)

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

Infrastructure Overview

1967
Median Build Year
68%
Pre-1980 Housing
53/100
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $2,747

Flood $1,200/yr
Sea Level Rise $689/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

38,663 housing units in Putnam County

Pre-1940 18%
1940–1959 21%
1960–1979 29%
1980–1999 22%
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 Putnam County

$454K
Median Home Value
$1,212
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Putnam 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 Putnam County residents

Asthma 9.9% (US avg: 8.9%)
Diabetes 9.7% (US avg: 11%)
Obesity 27.5% (US avg: 32.4%)

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

Water systems mapped to Putnam County ZIP codes

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

Show all 8 water systems

25 water systems mapped to Putnam County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Putnam County

4 water systems with violations in EPA records.

All ZIP Codes in Putnam County

9 ZIP codes tracked in Putnam County.

# ZIP Code City Safety Score Grade Violations Home Value
1 10512 Carmel 63 C 2 (1 health) $402K
2 12563 Patterson 59 C 4 (2 health) $358K
3 10509 Brewster — — 2 (1 health) $430K
4 10516 Cold Spring — — 2 (1 health) $625K
5 10524 Garrison — — 1 $550K
6 10541 Mahopac — — 4 $473K
7 10542 Mahopac Falls — — —
8 10579 Putnam Valley — — 1 $515K
9 12531 Holmes — — 2 $435K

Recommended Buyer Guides for Putnam County

Selection follows a fixed set of rules applied to local records: signals such as PFAS detections, lead action-level exceedances on record, a large share of pre-1978 housing, EPA Radon Zone 1, or a top flood or wildfire risk each add a related guide, and when none applies, general water testing and filtration guides are shown instead.

Overview

Putnam County in New York covers 9 tracked ZIP records with an average Home Safety Score of C (61/100) across 2 scored records.

8 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 3 health-based violations appear in the available health breakdown.

← 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 Putnam County?
Putnam 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 Putnam County?
We map 25 public water systems to 9 ZIP codes in our data for Putnam County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Putnam County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Putnam County is flood. Across all modeled risk factors, the estimated average additional annual cost is $2,747 per homeowner; actual costs vary by home.
How old are homes in Putnam County?
The median home build year in Putnam County is 1967. 68% 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 Putnam County compare to New York?
Putnam County has an average Home Safety Score of 61/100 under model 4.0.0, which is below the New York state average of 84/100.

How to cite this page

APA ZipCheckup. (2026). Putnam County, NY: HSS 61/100; 3 Health Violations. https://zipcheckup.com/county/new-york/putnam/
BibTeX
@misc{zipcheckup-county-new-york-putnam,
  author = {{ZipCheckup}},
  title  = {{Putnam County, NY: HSS 61/100; 3 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/new-york/putnam/}
}

Page version: October 2026.

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