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Oregon Historical County Records Guide

Washington County Records Inventory

Assessment and Tax Rolls

1846-[ongoing]

Series documents the assessment of real and personal property, the determination of tax liability, and the collection of county taxes. Assessment, tax, and delinquent tax records are variously labeled as rolls, lists, or summaries. Records show property owner; description and value of urban and agricultural land, personal property, and livestock; assessments, equalizations, and taxes due; and notations on payment and delinquency in payment of taxes. Beginning with 1900, counties have only been required to retain permanently those assessment and tax rolls for years ending in "0" and "5."

The searchable InterMap GIS database includes assessment and tax information.

Records at the Oregon State Archives:
Assessment and Tax Rolls [title varies], 1852-1855 (4 volumes); 1858-1869 (12 volumes);
Assessment Roll, 1846 (.05 cu.ft.);
Assessment Rolls, 1846-1887 (8 reels of microfilm);
Assessment Rolls [includes tax rolls and delinquent tax rolls], 1871-1903 (92 volumes);
Delinquent Tax Rolls, n.d. (1 volume); 1852-1860 (.30 cu.ft.); 1862 (.10 cu.ft.); 1865-1866 (.05 cu.ft.); 1868-1869 (.05 cu.ft.); 1876 (.05 cu.ft.);
Tax Roll Delinquent Lists, 1855-1860 (3 volumes);
Tax Roll Index, 1920 (1 volume); 1925 (1 volume); 1930 (1 volume); 1935 (1 volume); 1940 (1 volume); 1944-1945 (1 volume);
Tax Roll, n.d. (1 volume).

Records at the Washington County Historical Records Vault:
Add Tax [Additional Tax Roll], 1959-1960 (1 volume);
Assessment and Tax Roll Lands Classified for Reforestation, 1947-1959 (1 volume);
Assessment and Tax Roll O. and C. [Oregon & California] Land Grant, 1916-1938 (1 volume);
Assessment and Tax Rolls [Summaries], 1945-1946 (.05 cu.ft.); 1955-1982 (.15 cu.ft.);
Assessment Roll, 1876 (1 volume); 1878 (1 volume); 1882 (1 volume); 1890-1891 (2 volumes); 1893 (1 volume); 1894 (2 volumes); 1895 (2 volumes); 1896 (3 volumes); 1897 (1 volume); 1898 (2 volumes); 1899 (3 volumes);
[Assessment Summary-Schools], 1939-1948 (8 volumes);
Certificates of Delinquency Issued to Washington County Oregon, 1919-1940 (3 volumes);
Clerk's Delinquent Tax Roll, 1893 (1 volume);
[Delinquent List-Tax], 1889-1890 (1 volume); 1891 (1 volume);
Delinquent List [Tax], 1892 (2 volumes); 1881-1885 (1 volume); 1890 (1 volume);
Delinquent Tax Roll 1878-1881 (4 volumes); 1883 (1 volume); 1894-1900 (7 volumes);
[Delinquent Tax Roll], 1882 (1 volume);
[Delinquent Tax Roll for 1930 and Prior Years], 1925-1935 (1 volume);
District Roads Bennetts Subdivision Assessment [Roll], vol. 33, 1960-1972 (1 volume);
Duplicate Delinquent List [Tax Roll], 1888 ( 1 volume);
Mortgage Tax Roll, 1887-1890 (1 volume);
Public Utility Roll [Tax], 1960-1961 (1 volume);
Real Property Acreage [Tax Register], 1904-1943 (1 volume);
Real Property Tax Register Cities and Subdivisions, 1904-1946 (1 volume);
Recordings Mixed Series, Sheriff's Report of Delinquent Taxes, 1894 (.05 cu.ft.);
Recordings Mixed Series [Tax Roll of School Districts] 1881, 1885-1886, 1892 (.05 cu.ft.);
Reforestation Roll [Tax], 1959-1960 (1 volume);
Register of Delinquent Receipts, vol. 1, 1908-1913 (1 volume);
Tax Collection Register, n.d. (1 volume);
Tax Roll, 1875 (1 volume); 1880 (1 volume); 1962-1967 (4 volumes);
Timber [Assessment Record], 1937-1941 (1 volume).

Records at the Washington County Records Center:
Changes to Tax Roll [title varies], 2004-2013 (ca.25 cu.ft.).

Records at the Public Services Building, Suite 130, Recording Division Office Area:
Corrections to Tax Rolls [Changes], 1983-2003 (130 reels of microfilm);
Misc. Films [Miscellaneous-Record Unpaid Taxes], 1907-1915 (1 reel of microfilm);
Misc. Films [Miscellaneous-Tax Collection Register], 1904-1906 (6 reels of microfilm); 1908 (1 reel of microfilm); 1912 (1 reel of microfilm);
Misc. Films [Miscellaneous-Tax Collection Rolls], 1907, 1909-1910 (2 reels of microfilm);
Tax Rolls, 1875, 1880 (1 reel of microfilm); 1961-1969 (18 reels of microfilm);
Tax Rolls [Assessment and Tax Roll-title varies], 1901-1905 (15 reels of microfilm); 1910 (4 reels of microfilm); 1915 (6 reels of microfilm); 1920 (6 reels of microfilm); 1925 (7 reels of microfilm); 1930 (7 reels of microfilm); 1935-1936 (3 reels of microfilm); 1940 (9 reels of microfilm); 1941-1977 (205 reels of microfilm);
Tax Rolls [Assessment Roll], 1878, 1882, 1891 (1 reel of microfilm); 1893-1898 (4 reels of microfilm);
Tax Rolls [Delinquent List Roll], 1889-1900 (2 reels of microfilm);
Tax Rolls [Delinquent Tax List], 1881, 1884-1885 (1 reel of microfilm);
Tax Rolls [Property Owners Index-title varies], 1909-1960 (11 reels of microfilm); 1971-1974 (2 reels of microfilm); 1976 (1 reel of microfilm).

Records at the Public Services Building, Suite 130, Assessment and Taxation Department Public Research Area, Locked Cabinet:
[Tax Roll], 1983-2011 (30 inches of microfiche).

Records at the Public Services Building, Suite 300, Commissioners Office, Library Area:
Assessment and Tax Roll Summary, 1996-present (1 cu.ft.).

Records at the Washington County Justice Services Building, Circuit Court Civil Office, Microfilm Cabinet:
Assessment & Taxation [Assessment Roll], 1878, 1882, 1891, 1893-1899 (5 reels of microfilm);
Assessment & Taxation [Delinquent List Roll], 1889-1900 (2 reels of microfilm);
Assessment & Taxation [Tax Collection Rolls], 1907, 1909-1910 (2 reels of microfilm);
Assessment & Taxation [Tax Roll], 1875, 1880 (1 reel of microfilm).

Records at the Washington County Contracted Off-site Microfilm Storage:
Assessment Tax Roll, 1893-1982 (342 reels of microfilm); 1984-1998 (ca.6 feet of microfiche);
Assessment Tax Roll Delinquent, 1881-1900 (3 reels of microfilm);
Changes to Tax Roll, 1982-2003 (ca.100 reels of microfilm).

Records at the Washington County Museum, Research Library and Archives:
[Assessment & Tax Roll], 1881, 1884-1885 (1 reel of microfilm);
[Assessment Rolls], 1846-1848, 1852-1887 (8 reels of microfilm);
RG 2.002 Microfilm Tax Assessments [Rolls-title varies], 1901-1925 (93 reels of microfilm); 1925-1936 (55 reels of microfilm);
[Tax Roll Washington County-includes Portland], 1852 (1 reel of microfilm).

Records at the Oregon Historical Society:
Mss. 1 [Tax Roll], 1852 (1 volume);
Mss. 1275B Tax Roll, 1855-1856 (1 volume);
Mss. 1283 Assessment Roll [Twality County-typescript], 1846 (.05 cu.ft.).

Records at the Washington County Web Site:
Summary of Assessment & Tax Roll, 2003-present (Internet);
Tax Statements [Searchable Database], 2009-present (Internet).

Oregon Secretary of State • 136 State Capitol • Salem, OR 97310-0722

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