ZIP 12430 falls in Greene County, New York, where we hold 16,012 parcels measured as septic county-wide and 6,854 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 12430.
ZCTA 12430 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) |
|---|---|---|---|---|
| Greene County, New York | 59% | — | 16,012 | 6,854 |
| Delaware County, New York | 41% | 3 | — | — |
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 16,012 parcels measured as septic for Greene County, New York as a whole, not broken out by ZIP.
ZIP 12430 spans 2 counties: Greene County, New York, Delaware County, New York.