Clatsop County Property Tax, The Clatsop County Department of Assessment and Taxation determines the value of all property according to state law. S. Each year, the county assessor determines the property's real market value and calculates its maximum assessed value. Check Clatsop County property tax records for Astoria, Seaside, Cannon Beach, and Warrenton. Taxes are calculated based on your property’s assessed value and the tax rates of the districts serving your property. Despite a higher median home value of $437,800, Clatsop residents pay $3,084 annually—just 15% above the national median of $2,690. Search assessed values, tax bills, and ownership records online. In addition to in-person payments, the office also offers online tax payment options Find and download forms and publications, popular forms, Board of Property Tax Appeals (BOPTA), Cigarette and Tobacco, find current and search all forms. You are taxed on the lesser of the two, which is called the assessed value. Jul 1, 2011 ยท The Clatsop County Board of Commissioners adopted an updated County Fee Schedule during its June 10, 2026, meeting, which includes an increase to the fee for onsite septic system permit applications and evaluations. h8hhv, c94, 7mma, ag2, 7jbrfg, 0xymex, gpp0z, jr0w, l5g0, akxxp,