ZIP 12303 falls in Albany County, New York, where we hold 11,480 parcels measured as septic county-wide and 71,691 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 12303.
ZCTA 12303 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) |
|---|---|---|---|---|
| Albany County, New York | 71% | — | 11,480 | 71,691 |
| Schenectady County, New York | 29% | 17 | — | — |
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 11,480 parcels measured as septic for Albany County, New York as a whole, not broken out by ZIP.
ZIP 12303 spans 2 counties: Albany County, New York, Schenectady County, New York.