Forms and Publications
The most commonly used forms and publications are available below in the appropriate category. Most of the forms we use are published by the Oregon Department of Revenue, and the links below will retrieve the latest version of the form from their website. If a link is broken, please email assessor@columbiacountyor.gov, and we will update the link as soon as possible. If you need the form immediately or if you are unable to locate the form you need, please visit https://www.oregon.gov/dor/forms/Pages/default.aspx and search for the desired form.
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Annual Ratio Study and Setup Reports
- 2024 Ratio Study Report
- 2024 Annual Recalculation and Reappraisal Setup Studies for All Residential Properties
- 2023 Ratio Study Report
- 2022 Annual Recalculation and Reappraisal Setup Studies for All Residential Properties
- 2022 Ratio Study Report
- 2021 Annual Recalculation and Reappraisal Setup Studies for All Residential Properties
- 2021 Ratio Study Report
- 2020 Annual Recalculation and Reappraisal Setup Studies for All Residential Properties
- 2020 Ratio Study Report
- 2019 Annual Recalculation and Reappraisal Setup Studies for All Residential Properties
- 2019 Ratio Study Report
Exemptions
- Disabled Veteran or Surviving Spouse Exemption Claim
- Oregon Active Military Service Members Exemption Claim
- For Property Leased by an Exempt Body to Another Exempt Body
- For Lease or Lease-Purchase Property Owned by a Taxable Owner and Leased to an Exempt Public Body, Institution, or Organization
- Property Owned by Specified Institutions and Organizations
- Enterprise Zone Information
- Enterprise Zone Exemption Claim
- Application for Cancellation of Assessment on Commercial Facilities Under Construction
- Environmentally Sensitive Logging Equipment Qualifications
Deferral Programs
- Farm Use Manual
- Assessment of Farmland in an Exclusive Farm-Use Zone
- Assessment of Farmland Not in an Exclusive Farm-Use Zone
- Forestland Manual
- Forestland Special Assessment Program
- Small Tract Forestland Special Assessment Program
- Application for Farm Land Deferral
- Application for Farm-use Assessment of Land Under Farm-use Dwellings and Wasteland
- Farm Gross Income Questionnaire
- Application for Forest Land Deferral
- Forest Land Management Plan
- Small Tract Forestland Application
- Special Assessment Disqualification Estimate Worksheet
- Authorization to Disqualify Property From Farm/Forest Deferral and Impose Taxes
- Oregon Property Tax Deferral for Disabled and Senior Citizens
- Application—Oregon Property Tax Deferral for Disabled and Senior Citizens
- Application to County to Delay Foreclosure of Real Property Taxes on Deferred Property
- Notice of Status Change for Senior and Disabled Deferral
- Deferral Cancel Statement
Manufactured Structure Ownership/Situs Changes
- Certificate of Taxes Paid on Manufactured Structure
- Additional forms can be downloaded from BCD.
Property Tax Appeals and Reviews
- Request for Review
- Request for Review Information
- Property Tax Appeals General Information
- BoPTA Real Property Petition
- BoPTA Personal Property Petition
- Petition for Waiver of Late Filing Penalty, 150-303-065
- BoPTA Letter to Petitioner
- Application for Proration of Property Taxes Due to Damage by Fire or Act of God
- Application for Reassessment of Destroyed or Damaged Property
- Application for Reduction of Maximum Assessed Value of Demolished or Removed Building
- Application for Correction of Maximum Assessed Value
Property Records Online
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General Information
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