Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 24, 2026 and October 4, 2026.
Washington County, Oregon, has about 611,000 residents (2024 Census Bureau estimate). The title to a parcel in Washington County is in the deed records of the County Clerk and its taxable value is set by the County Assessor; what is built on it is a matter for the city or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Washington County public records, Washington County arrest records, Washington County warrants, Washington County inmate search, Washington County criminal records, Oregon arrest records and Oregon inmate search.
Deeds, Mortgages and Liens in Washington County
Who owns a parcel in Washington County and what it sold for are in the deed records of the County Clerk, with every lien or mortgage against the land.
SearchSystems opened and checked the County Clerk's page at washingtoncountyor.gov/at/recording (page title: Recording | Washington County, OR), phone 503-846-8752, which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Washington County
The County Assessor sets the value each parcel in Washington County is taxed on and keeps the parcel maps. Under Measure 50 a property's maximum assessed value can rise no more than 3 percent a year, so the assessed value is usually far below the real market value the assessor also lists.
SearchSystems opened and checked the County Assessor's page at washingtoncountyor.gov/at (page title: Assessment and Taxation | Washington County, OR), phone 503-846-8752, which answered when SearchSystems opened it on September 24, 2026.
More Official Property and Land Records Pages for Washington County
The SearchSystems directory, online since 1997, lists the official pages for Washington County and Oregon. These property pages from its Washington County listing were opened again on October 2, 2026 and each one still answers:
- MetroMap, Oregon Metro (gis.oregonmetro.gov)
Permits and City Records in the Cities of Washington County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Washington County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Hillsboro: the city hall page SearchSystems verified is at hillsboro-oregon.gov/Home/Components/FacilityDirectory/FacilityDire..., phone 503-681-6100 (verified September 26, 2026).
- Beaverton: the city hall page SearchSystems verified is at beavertonoregon.gov/the-beaverton-building-city-hall (verified September 26, 2026).
- Tigard: the city hall page SearchSystems verified is at tigard-or.gov/Home/Components/FacilityDirectory/FacilityDirectory/4..., phone 503-639-4171 (verified September 26, 2026).
- Tualatin: the city hall page SearchSystems verified is at tualatinoregon.gov/government, phone 503-692-2000 (verified September 26, 2026).
- Forest Grove: the city hall page SearchSystems verified is at forestgrove-or.gov/365/City-Council, phone 503-992-3235 (verified September 26, 2026).
- Sherwood: the city hall page SearchSystems verified is at sherwoodoregon.gov/contact, phone (503) 625-5522 (verified September 26, 2026).
- Cornelius: the city hall page SearchSystems verified is at corneliusor.gov/m/directory/department?did=16, phone 503-357-9112 (verified September 26, 2026).
- King City: the city hall page SearchSystems verified is at ci.king-city.or.us (verified September 26, 2026).
Evictions and Court Cases About Land in Washington County
Court cases about land from Washington County, evictions among them, are filed in the Washington County Circuit Court.
The court records page SearchSystems verified for the county is at courts.oregon.gov/courts/washington/records/pages/default.aspx.
Asking a County Office for a Record
Under the Oregon Public Records Law a county office must answer a request within 15 business days where practicable, after acknowledging the request within 5, and it may charge the actual cost of making the record available.
Frequently Asked Questions
Who records deeds in Washington County?
The County Clerk, at washingtoncountyor.gov/at/recording, phone 503-846-8752. Deeds, mortgages and liens on land in Washington County are filed there, and the County Assessor (washingtoncountyor.gov/at) has the assessment records.
Who sets the assessed value of a property in Washington County?
The County Assessor, whose page SearchSystems verified is at washingtoncountyor.gov/at.
Where are evictions from Washington County filed?
In the Washington County Circuit Court. The file is public unless the court seals it.
How is property assessed in Oregon?
Under Measure 50 a property's maximum assessed value can rise no more than 3 percent a year, so the assessed value is usually far below the real market value the assessor also lists.
Is this the official Washington County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.