ZIP 97003 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 97003.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Washington County, Oregon | 100% | — | 10,442 | 134,730 |
1 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 |
|---|---|---|---|
| Precision Earthworks | Hillsboro | (503) 268-1767 | 4.1 (7) |
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 97003 falls in Washington County, Oregon.