In Rensselaer County, New York, which covers Castleton-on-Hudson, we have measured 21,629 parcels on septic and 26,950 on sewer. That is a county measurement. We do not hold a septic count for Castleton-on-Hudson on its own and this page does not estimate one.
Castleton-on-Hudson is a village in Rensselaer County, New York. The Census Bureau puts its internal point at 42.536568, -73.747924 and its land area at 0.71 square miles. Septic permitting and record keeping happen at the county level, not the village 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 |
|---|---|---|---|---|---|
| Rensselaer County | 2 | 21,629 | 26,950 | county portal | no account needed |
Our collection for Rensselaer County, New York is small, at 2 septic records. Treat it as a starting point for a Castleton-on-Hudson property rather than a search that settles the question. The county is genuinely mixed: 21,629 of 48,579 classified parcels are on septic and the rest are sewered. Which side of that line a Castleton-on-Hudson address falls on is worth establishing before anything else. The county publishes a records portal that we were able to search without creating an account, which makes checking a specific parcel something you can do yourself in a few minutes.
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 Castleton-on-Hudson | keeping the system you have working |
| Buyer or seller | Buying or selling in Castleton-on-Hudson | what to pull and check before closing |
| Realtor | Buying or selling in Castleton-on-Hudson | the same records a seller needs on file |
| Designer or engineer | Septic design in Castleton-on-Hudson | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Castleton-on-Hudson | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Castleton-on-Hudson | tank access, lids and service interval |
| Inspector | Septic inspection in Castleton-on-Hudson | what gets checked and what a failure means |
| Land investor | Septic installation in Castleton-on-Hudson | 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 Rensselaer County, New York, which covers Castleton-on-Hudson, we have measured 21,629 parcels on septic and 26,950 on sewer. That is a county measurement. We do not hold a septic count for Castleton-on-Hudson on its own and this page does not estimate one.
Castleton-on-Hudson is in Rensselaer County, New York.
From the Census ZCTA-to-place relationship file, with the share of Castleton-on-Hudson’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 Castleton-on-Hudson.
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 Rensselaer County, New York.