In Yamhill County, Oregon, which covers part of Gaston, we have measured 8,576 parcels on septic and 23,809 on sewer. That is a county measurement. We do not hold a septic count for Gaston on its own and this page does not estimate one. Gaston also extends into Washington County, which are reported separately below and are not included in that figure.
Gaston is a city in Yamhill and Washington Counties, Oregon. The Census Bureau puts its internal point at 45.43488, -123.14506 and its land area at 0.34 square miles. Septic permitting and record keeping happen at the county level, not the city 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 |
|---|---|---|---|---|---|
| Yamhill County | 285 | 8,576 | 23,809 | county portal | no account needed |
| Washington County | 0 | 10,442 | 134,730 | county portal | account or login required |
Our collection for Yamhill County, Oregon is small, at 285 septic records. Treat it as a starting point for a Gaston property rather than a search that settles the question. The county is genuinely mixed: 8,576 of 32,385 classified parcels are on septic and the rest are sewered. Which side of that line a Gaston 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 Gaston | keeping the system you have working |
| Buyer or seller | Buying or selling in Gaston | what to pull and check before closing |
| Realtor | Buying or selling in Gaston | the same records a seller needs on file |
| Designer or engineer | Septic design in Gaston | design flow, tank capacity, dispersal sizing |
| Installer or contractor | Septic installation in Gaston | site evaluation, permit sequence, inspection |
| Septic pumper | Septic pumping in Gaston | tank access, lids and service interval |
| Inspector | Septic inspection in Gaston | what gets checked and what a failure means |
| Land investor | Septic installation in Gaston | 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 Yamhill County, Oregon, which covers part of Gaston, we have measured 8,576 parcels on septic and 23,809 on sewer. That is a county measurement. We do not hold a septic count for Gaston on its own and this page does not estimate one. Gaston also extends into Washington County, which are reported separately below and are not included in that figure.
Gaston is in Yamhill and Washington Counties, Oregon.
From the Census ZCTA-to-place relationship file, with the share of Gaston’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 Gaston.
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 Yamhill and Washington Counties, Oregon.