ZIP 10963 falls in Orange County, New York, where we hold 45,868 parcels measured as septic county-wide and 58,843 on sewer. We do not have a per-ZIP parcel count for this county, so this is the county total, not a count specific to ZIP 10963.
ZCTA 10963 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Orange County, New York | 95% | — | 45,868 | 58,843 |
| Sullivan County, New York | 5% | — | 23,324 | 12,192 |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We hold 45,868 parcels measured as septic for Orange County, New York as a whole, not broken out by ZIP.
ZIP 10963 spans 2 counties: Orange County, New York, Sullivan County, New York.