ZIP 12858 falls in Essex County, New York, where we hold 12,319 parcels measured as septic county-wide and 7,425 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 12858.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Essex County, New York | 100% | 86 | 12,319 | 7,425 |
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 12,319 parcels measured as septic for Essex County, New York as a whole, not broken out by ZIP.
ZIP 12858 falls in Essex County, New York.