Septic recordsOregon

Septic systems in ZIP 97333

ZIP 97333 falls in Benton County, Oregon, where we hold 6,366 parcels measured as septic county-wide and 19,587 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 97333.

This ZIP spans 2 counties

ZCTA 97333 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.

CountyLand in this ZIPDocuments heldOn septic (county)On sewer (county)
Benton County, Oregon89%1236,36619,587
Linn County, Oregon11%45514,10626,458

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.

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Common questions

How many properties in ZIP 97333 are on septic?

We hold 6,366 parcels measured as septic for Benton County, Oregon as a whole, not broken out by ZIP.

What county is ZIP 97333 in?

ZIP 97333 spans 2 counties: Benton County, Oregon, Linn County, Oregon.