Putnam County, New York
9 ZIP codes · Avg score 61/100 · Grade C · Updated
ZipCheckup grade for Putnam County: C.
A mixed picture - some signals here are worth your attention.
Although much of Putnam County meets baseline standards, some of its 9 ZIP codes show violations that merit closer attention.
How Putnam County Compares
How Putnam County Compares
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 Last verified:
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.
Key Risk Factors
Health risk index: 10.9 (asthma 9.9%, diabetes 9.7%)
Estimated additional annual cost per homeowner: $2,910, driven primarily by flood
75.6% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↓ Improving trendEPA violation counts by year across Putnam County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 30 violations. Past 5 years: 47 total (47 health-based). Health-based violations are declining versus the prior 2-year window.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
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: $2,910
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
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
Remediation costs are relatively manageable for most homeowners in Putnam 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 Putnam County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Putnam County
8 community water systems serving Putnam County.
- C
Show all 8 water systems
25 total water systems serve Putnam County.
Systems with the most violations in Putnam County
4 water systems with recorded EPA violations.
- C
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
Independent picks. EPA-grounded. Matched here.
- Best Lead Paint Test Kits — 75.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Putnam County, New York
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
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.