Cowlitz County property records
Where to look up owners, values, tax bills, parcel maps, deeds and value appeals in Cowlitz County, Washington. Each link goes to the county or state office that keeps the record.
Where each record lives
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Owner, land, building and value
Look up an owner’s name and mailing address, land and building details and the assessed value in the Cowlitz County property search.
These records are kept by the Cowlitz County Assessor.
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Tax bills and payments
Find the current bill, the balance due and past payments with the Cowlitz County property tax lookup.
Property taxes are billed and collected by the Cowlitz County Treasurer.
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Deeds, liens and recorded documents
Search deeds, mortgages, liens and other recorded documents in the Cowlitz County deed and lien search.
Deeds and liens are recorded by the Cowlitz County Recording.
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Value complaints and appeals
Deadlines, forms and how to file an appeal are on the Cowlitz County value appeals page.
Value appeals are heard by the Cowlitz County Board of Equalization.
We haven’t found Cowlitz County’s parcel maps online. Call the county at (360) 577-3020 or start at its website, co.cowlitz.wa.us.
Links go to official county and state sites and were last checked in November 2026. Offices move their pages, so if one has changed, the county’s own website (co.cowlitz.wa.us) is the place to start.