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 on September 24, 2026.
Union County, Oregon, has about 26,000 residents (2024 Census Bureau estimate). The title to a parcel in Union 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, evictions and court cases, records requests, directory links and common questions.
Related guides: Union County public records, Union County arrest records, Union County warrants, Union County inmate search, Union County criminal records, Oregon arrest records and Oregon inmate search.
Deeds, Mortgages and Liens in Union County
Who owns a parcel in Union 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 unioncountyor.gov/county-clerk (page title: County Clerk and Recorder’s Office | UNION COUNTY), phone 541-963-1006, 1001 Fourth Street, Suite D, La Grande, OR 97850, Monday through Thursday 8:30 a.m. - 5:00 p.m., which answered when SearchSystems opened it on September 24, 2026.
Assessed Values and the Tax Roll in Union County
The County Assessor sets the value each parcel in Union 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.
Evictions and Court Cases About Land in Union County
Court cases about land from Union County, evictions among them, are filed in the Union County Circuit Court.
The court records page SearchSystems verified for the county is at courts.oregon.gov/courts/union/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.
More Official Property and Land Records Pages for Union County
The SearchSystems directory, online since 1997, lists the official pages for Union County and Oregon. These property pages from its Union County listing were opened again on October 2, 2026 and each one still answers:
- Land Survey Monuments (arcgis.com)
- Oregon Metro (gis.oregonmetro.gov)
- realestate (gis-jcgis.opendata.arcgis.com)
Frequently Asked Questions
Who records deeds in Union County?
The County Clerk, at unioncountyor.gov/county-clerk, phone 541-963-1006. Deeds, mortgages and liens on land in Union County are filed there.
Who sets the assessed value of a property in Union County?
The County Assessor.
Where are evictions from Union County filed?
In the Union 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 Union 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.