Columbia County Property Assessor (Oregon)

Columbia County Assessors determine the value of properties and parcels so that the jurisdiction can levy Oregon property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on Columbia County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. Columbia County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Columbia County Assessment Offices provide online access to their property assessment records.

Columbia County Assessor's Office St. Helens OR 230 The Strand 97051 503-397-2240


Columbia County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Oregon municipality. These Columbia County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the Columbia County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Columbia County Clerks provide online access to their public property tax records, including documents related to property assessments.

Columbia County Clerk St. Helens OR 230 The Strand 97051 503-397-3796


Columbia County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the Oregon public. The Office of the Recorder of Deeds maintains records on Columbia County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The Columbia County Recorder provides online databases for public records access of property assessments.

Columbia County Recorder of Deeds St. Helens OR 230 The Strand 97051 503-397-3796

Columbia County Town Halls and City Halls are the chief administrative office that runs a town or city in Oregon. The Town or City Hall maintains records related to the locality, including property assessment records. These Columbia County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

Clatskanie City Hall Clatskanie OR 95 South Nehalem Street 97016 503-728-2622

Columbia City City Hall Columbia OR 1755 2nd Place 97018 503-366-0724

Rainier City Hall Rainier OR 106 East B Street 97048 503-556-7301

Saint Helens City Hall St. Helens OR 150 South 13th Street 97051 503-397-3333

Vernonia City Hall Vernonia OR 1001 Bridge Street 97064 503-429-5291


Columbia County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Oregon. The Office of the Treasurer and Tax Collector maintains current data on every Columbia County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on Columbia County property auctions and a property's prior liens or foreclosures. Columbia County Treasurers and Tax Collectors provide online databases to access property assessment records.

Columbia County Tax Department St. Helens OR 230 The Strand 97051 503-397-0060