Columbia County, WA Property Records
Property records in Columbia, Washington provide official information about real estate ownership, assessed values, parcel boundaries, land use, tax history, and recorded documents such as deeds or transfers. These records are useful for buyers, sellers, property owners, researchers, and professionals who need to verify ownership, review valuation details, estimate taxes, or understand a property’s legal history.
Official Columbia property records are maintained by Columbia County offices, including the Assessor for parcel and valuation information, the Treasurer for tax details, and the Auditor for recorded documents. Users can begin their search through the county’s official resources, including the Columbia County Assessor’s property records page, or contact the appropriate county office for certified copies, historical records, or assistance with specific property questions.
Columbia County, WA Property Records & Statistics
Columbia County has a median rent of $707.50, well below the Washington median of $1,019 and the national median of $840.25, making it one of the more affordable rental markets. Renter-occupied housing is 31.25% of occupied homes, above the state's 25.55% and the national 21.81%, so renters make up a larger share of households than in most areas.
The median home value is $179,050, far below the state's $318,300 and only slightly above the national $173,750. The median property tax rate of 0.73% is lower than the state's 0.77% and just under the national 0.74%, keeping ownership costs modest.
Median household income is $60,427.50, below the state's $68,789 and the national $65,108. Employment looks strong, with an unemployment rate of 1.45% compared with 3.02% statewide and 2.87% nationally.
The picture is of a small, affordable county with low home values and rents, light property taxes, lower incomes than average and very low unemployment.
Median Rent
Median Property Tax Rate
Median Home Value
Median Income
Unemployment Rate
Renter Occupied Housing
Property Records, Assessments, and Valuations in Columbia
Columbia County property records cover assessments, recorded deeds and mortgages, valuations and foreclosure filings. The county has 5,488 total parcels, including 2,388 residential and 231 commercial parcels, and tax records cover 93.46% of the population for the 2024 assessment year. Recorded documents include 7,021 deeds and 2,147 mortgages, with valuation data for 1,822 properties.
| Key Data | Details |
|---|---|
| Total Parcels | 5,488 |
| Residential Parcels | 2,388 |
| Commercial Parcels | 231 |
| Tax Record Coverage | 93.46% |
| Assessment Year | 2024 |
| Deed Records | 7,021 |
| Mortgage Records | 2,147 |
| Properties with Valuation Data | 1,822 |
| Latest Valuation Update | August 19, 2025 |
| Notice of Trustee Sale Records | 10 |
Assignment and Release Records
Assignment and release records trace a mortgage after it is recorded. An assignment shows a loan moving to a new lender or servicer, and a release shows the debt was satisfied and the lien cleared.
Columbia County has 944 assignment and release records, including 88 assignment documents recorded from December 23, 2020, to September 2, 2025, and 856 release documents recorded from December 4, 2020, to August 29, 2025.
These records help researchers confirm that earlier mortgages were released and find liens that may still be open before a sale or refinance. The available records begin in December 2020, so older mortgage history may require a request to the county offices.
How to Search Columbia County, WA Property Records
Columbia County property records are split between county offices. The Assessor handles parcel and valuation information, the Treasurer handles tax payments, and the Auditor records deeds and mortgages. The county has 5,488 parcels, 7,021 deed records and 2,147 mortgage records, with deeds recorded from January 3, 2007, through August 27, 2025.
The Columbia County website lists these offices and their contact details, and is the best starting point for assessor parcel lookups, tax information and recording requests. For background on how assessments and levies work, the Washington Department of Revenue property tax page is the state's official resource.
To search, gather the property address, owner name or parcel number. Confirm the owner and parcel details with the Assessor, then request deeds, mortgages and releases from the Auditor by name or date. Mortgages are recorded from January 3, 2007, through August 25, 2025.
If you cannot find a record online, contact the county courthouse in Dayton and ask for the office that holds it.
Columbia County Property Records FAQ
How can I search Columbia County property records by address?
Visit the Columbia County website and look for the Assessor's property information. Enter the street address to find the parcel. If the address doesn't match, try a shorter version or search by owner name or parcel number. You can also call the county courthouse in Dayton for help.
How can I find property owners in Columbia County?
Owner names appear on assessor parcel records and recorded deeds. The county has 5,488 parcels and 7,021 deed records dating from January 3, 2007. Look up a parcel through the Columbia County website or ask the Auditor's office to help find the deed.
How can I check a property's assessed value in Columbia County?
The county Assessor sets assessed values, and the county's records show the 2024 assessment year. Contact the Assessor through the Columbia County website. The Washington Department of Revenue explains how assessments and appeals work.
Where can I find Columbia County property tax bills and payment records?
The county Treasurer bills and collects property taxes. Check the Columbia County website for the Treasurer's contact details and payment options, and have your parcel number ready. If you can't find a bill, call the courthouse in Dayton and ask for the Treasurer.
How can I find deeds and other recorded documents in Columbia County?
Deeds, mortgages and releases are recorded by the county Auditor. Find contact details on the Columbia County website. Deeds are available from January 3, 2007, and mortgages from the same date, so older documents may require a staff request.
Where can I access Columbia County parcel maps and GIS information?
Parcel mapping is available through the county, and its offices are listed on the Columbia County website. Maps show parcel boundaries for reference only and are not legal surveys. For boundary questions, contact the Assessor or a licensed surveyor.
How can I check permits and zoning information in Columbia County?
Permits and zoning for unincorporated areas are handled by the county's planning and building staff, whose contact details are on the Columbia County website. For property in Dayton or Starbuck, check with the town or city office.
How can I create a list of property owners in Columbia County?
Because the county is small, the simplest route is to ask the Assessor directly. Use the contact details on the Columbia County website to ask what parcel and ownership data can be provided for your list, and whether any fees apply.