In Tompkins County, New York, which covers Northwest Ithaca, we have measured 12,670 parcels on septic and 11,473 on sewer. That is a county measurement. We do not hold a septic count for Northwest Ithaca on its own and this page does not estimate one.
Northwest Ithaca is a census-designated place in Tompkins County, New York. The Census Bureau puts its internal point at 42.458548, -76.535121 and its land area at 3.55 square miles. Septic permitting and record keeping happen at the county level, not the census-designated place level, which is why every figure below is attributed to the county and linked back to the county page it came from.
| County | Records we hold | Parcels on septic | Parcels on sewer | County records portal | Searchable without an account |
|---|---|---|---|---|---|
| Tompkins County | 0 | 12,670 | 11,473 | county portal | account or login required |
We have not yet collected septic documents from Tompkins County, New York, so for a Northwest Ithaca property the county's own file is currently the only route. This page is about getting you to it, not about pretending we hold something we do not. The county is genuinely mixed: 12,670 of 24,143 classified parcels are on septic and the rest are sewered. Which side of that line a Northwest Ithaca address falls on is worth establishing before anything else. The county publishes a records portal, but reaching the documents needs an account or a login, so budget for that step rather than expecting an open search.
Septic is one subject with very different jobs inside it. These go straight to the page that does yours.
| If you are a | Go to | Because it covers |
|---|---|---|
| Homeowner | Septic pumping in Northwest Ithaca | keeping the system you have working |
| Buyer or seller | Buying or selling in Northwest Ithaca | what to pull and check before closing |
| Realtor | Buying or selling in Northwest Ithaca | the same records a seller needs on file |
| Designer or engineer | Septic design in Northwest Ithaca | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Northwest Ithaca | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Northwest Ithaca | tank access, lids and service interval |
| Inspector | Septic inspection in Northwest Ithaca | what gets checked and what a failure means |
| Land investor | Septic installation in Northwest Ithaca | whether raw land can take a system at all |
No. We measure septic and sewer at parcel level and roll it up by county. In Tompkins County, New York, which covers Northwest Ithaca, we have measured 12,670 parcels on septic and 11,473 on sewer. That is a county measurement. We do not hold a septic count for Northwest Ithaca on its own and this page does not estimate one.
Northwest Ithaca is in Tompkins County, New York.
From the Census ZCTA-to-place relationship file, with the share of Northwest Ithaca’s land area that falls in each. A ZIP is not a place boundary and the two only ever partly agree, which is exactly why both pages exist.
Straight-line distance from the Census internal point of Northwest Ithaca.
Parcel Perfect generates a code-shaped septic design and as-built style drawing for a parcel from the records and site data we hold, and shows every parcel we have classified as septic or sewer on one map. Both are open to use for any parcel in Tompkins County, New York.