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2026 Rankings
Delaware County, New York Home Safety Rankings - 39 ZIPs
Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.
Delaware County, New York (New York) includes 39 tracked ZIP codes and 7 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.
Average Home Safety Grade: B (83/100)
| Grade | ZIP Codes | % |
|---|---|---|
| A | 0 | 0% |
| B | 2 | 100% |
| C | 0 | 0% |
| D | 0 | 0% |
| F | 0 | 0% |
Top 10 ZIP Codes by Home Safety Score
| Rank | ZIP | City | Score | Grade |
|---|---|---|---|---|
| 1 | 10920 | Congers | 83 | B |
| 2 | 10989 | Valley Cottage | 82 | B |
10 Riskiest ZIP Codes
| Rank | ZIP | City | Score | Grade | Risk Factor |
|---|---|---|---|---|---|
| 1 | 10989 | Valley Cottage | 82 | B | 3 violation(s) |
| 2 | 10920 | Congers | 83 | B | — |
Most Common Contaminant Violations
| Contaminant | Violations | ZIPs Affected |
|---|---|---|
| Consumer Confidence Report Rule | 11 | 4 |
| Haloacetic Acids (HAA5) | 6 | 4 |
| Surface Water Treatment Rule | 6 | 4 |
| PFOA | 5 | 3 |
| PFNA | 5 | 3 |
| Dichloroacetic Acid | 5 | 3 |
| Bromodichloromethane | 5 | 3 |
| Dibromochloromethane | 5 | 3 |
Lead Risk
- Average of reported 90th-percentile lead results: 0.0047 mg/L (below EPA action level)
- 0 of 9 ZIP codes with known status exceed EPA lead action level
- 37% of housing built before 1950
- 52% of housing built before 1970
Cities in This Metro
- Congers, NY — 1 ZIP code
- Valley Cottage, NY — 1 ZIP code
- Arkville, NY — 1 ZIP code
- Denver, NY — 1 ZIP code
- Fleischmanns, NY — 1 ZIP code
- Grand Gorge, NY — 1 ZIP code
- Halcottsville, NY — 1 ZIP code
- Highmount, NY — 1 ZIP code
- Margaretville, NY — 1 ZIP code
- New Kingston, NY — 1 ZIP code
- Pine Hill, NY — 1 ZIP code
- Roxbury, NY — 1 ZIP code
- Andes, NY — 1 ZIP code
- Bloomville, NY — 1 ZIP code
- Bovina Center, NY — 1 ZIP code
- Colliersville, NY — 1 ZIP code
- Davenport, NY — 1 ZIP code
- Davenport Center, NY — 1 ZIP code
- Delancey, NY — 1 ZIP code
- Delhi, NY — 1 ZIP code
- Downsville, NY — 1 ZIP code
- East Branch, NY — 1 ZIP code
- East Meredith, NY — 1 ZIP code
- Fishs Eddy, NY — 1 ZIP code
- Franklin, NY — 1 ZIP code
- Hamden, NY — 1 ZIP code
- Hancock, NY — 1 ZIP code
- Hobart, NY — 1 ZIP code
- Masonville, NY — 1 ZIP code
- Meridale, NY — 1 ZIP code
...and 9 more cities
All 39 ZIP Codes Ranked
View complete ranking
| Rank | ZIP | City | Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 10920 | Congers | 83 | B | 0 |
| 2 | 10989 | Valley Cottage | 82 | B | 3 |
| 3 | 12406 | Arkville | — | — | — |
| 4 | 12421 | Denver | — | — | — |
| 5 | 12430 | Fleischmanns | — | — | — |
| 6 | 12434 | Grand Gorge | — | — | — |
| 7 | 12438 | Halcottsville | — | — | — |
| 8 | 12441 | Highmount | — | — | — |
| 9 | 12455 | Margaretville | — | — | — |
| 10 | 12459 | New Kingston | — | — | — |
| 11 | 12465 | Pine Hill | — | — | — |
| 12 | 12474 | Roxbury | — | — | — |
| 13 | 13731 | Andes | — | — | — |
| 14 | 13739 | Bloomville | — | — | — |
| 15 | 13740 | Bovina Center | — | — | — |
| 16 | 13750 | Davenport | — | — | — |
| 17 | 13751 | Davenport Center | — | — | — |
| 18 | 13752 | Delancey | — | — | 43 |
| 19 | 13753 | Delhi | — | — | 43 |
| 20 | 13755 | Downsville | — | — | — |
| 21 | 13756 | East Branch | — | — | 27 |
| 22 | 13757 | East Meredith | — | — | — |
| 23 | 13774 | Fishs Eddy | — | — | — |
| 24 | 13775 | Franklin | — | — | — |
| 25 | 13782 | Hamden | — | — | — |
| 26 | 13783 | Hancock | — | — | — |
| 27 | 13788 | Hobart | — | — | — |
| 28 | 13804 | Masonville | — | — | — |
| 29 | 13806 | Meridale | — | — | — |
| 30 | 13820 | Oneonta | — | — | 1 |
| 31 | 13838 | Sidney | — | — | 37 |
| 32 | 13839 | Sidney Center | — | — | — |
| 33 | 13842 | South Kortright | — | — | — |
| 34 | 13846 | Treadwell | — | — | — |
| 35 | 13849 | Unadilla | — | — | 28 |
| 36 | 13856 | Walton | — | — | 27 |
| 37 | 13860 | West Davenport | — | — | — |
Data Sources
- Water quality: EPA SDWIS
- Housing: U.S. Census Bureau American Community Survey
- Flood: FEMA NFIP
- Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.
Reporting periods vary by source; the page metadata identifies this materialization.
Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.
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How to cite this page
APA
ZipCheckup. (2026). Delaware County, New York Home Safety Rankings - 39 ZIPs. https://zipcheckup.com/rankings/metro/delaware-new-york/
BibTeX
@misc{zipcheckup-rankings-metro-delaware-new-york,
author = {{ZipCheckup}},
title = {{Delaware County, New York Home Safety Rankings - 39 ZIPs}},
year = {2026},
url = {https://zipcheckup.com/rankings/metro/delaware-new-york/}
}
Page version: October 2026.
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