ZIP 97140 falls in Washington County, Oregon, where we hold 10,442 parcels measured as septic county-wide and 134,730 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 97140.
ZCTA 97140 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) |
|---|---|---|---|---|
| Washington County, Oregon | 75% | — | 10,442 | 134,730 |
| Clackamas County, Oregon | 23% | 10,784 | 19,805 | 101,964 |
| Yamhill County, Oregon | 2% | 285 | 8,576 | 23,809 |
2 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| A Affordable Septic Service | Canby | (503) 682-1929 | 4.0 (11) |
| 7 Pines Plumbing | Sherwood | (971) 381-0157 | 3.7 (12) |
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 10,442 parcels measured as septic for Washington County, Oregon as a whole, not broken out by ZIP.
ZIP 97140 spans 3 counties: Washington County, Oregon, Clackamas County, Oregon, Yamhill County, Oregon.