How to Appeal Your Property Tax in Oregon
Oregon homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
2026 Appeal Deadline: December 31
Don't miss your window. Missing the deadline means waiting another full year.
How Oregon Assesses Property
Oregon assesses residential property at 100% of market value.
Oregon assesses real market value at 100%. Measure 50 limits assessed value growth to 3% per year, so taxable value is often lower.
The Appeal Process
Appeals are heard by the Board of Property Tax Appeals (BOPTA). An informal review is available before filing a formal appeal.
County Assessor (Informal)
Board of Property Tax Appeals (BOPTA)
Magistrate Division, Oregon Tax Court
Regular Division, Oregon Tax Court
Oregon Appeal Deadline
What Overassessment Costs Oregon Homeowners
The median home in Oregon is worth $397,000. If your assessment is just 10% too high, you may be overpaying:
~$345/year
Effective tax rate: 0.87% · Median value: $397,000
Check Your Oregon Assessment
Enter your address to see your estimated overassessment and Oregon filing deadline.
Oregon Counties
Oregon Guides & Resources
📋 How to Appeal Property Taxes in Oregon: Complete 2026 Guide
Complete guide with deadlines, forms, and step-by-step instructions
📋 How Much Can Property Taxes Increase in Oregon? 2026 Complete Guide
Oregon caps, limits, and protections
📅 Oregon Property Tax Appeal Deadline 2026: December 31 Year-End
Oregon filing deadlines and process
🏦 How to Appeal Property Taxes in Escrow in Oregon (2026)
Yes, you can appeal even if your lender pays your taxes
🔑 Inheriting Property in Oregon: What Happens to Property Taxes (2026)
Oregon reassessment rules, exemptions, and strategies for inherited property
👤 Oregon Senior Property Tax Benefits: Every Exemption, Freeze & Deferral (2026)
Age 62+ exemptions, freezes, and deferrals in Oregon
From $1.05M to $738K: A Portland Homeowner's $5,648/Year Overassessment
Real data: 29.9% overassessment, $5,648/year in excess taxes
Oregon Homestead Exemption 2026: Save $600 Every Year (Most Homeowners Missing Out)
Oregon's homestead exemption can save you $600 annually. Her
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.
Flat Fee vs Contingency: Which Saves More?
$49 flat vs 25-50% of savings — see the break-even math at every savings level.
Frequently Asked Questions
How do I appeal my property tax in Oregon?
What is the Oregon property tax appeal deadline?
What is Oregon's property tax assessment ratio?
How much can I save by appealing in Oregon?
What evidence do I need for a Oregon property tax appeal?
What is the effective property tax rate in Oregon?
Can I file a Oregon property tax appeal online?
Ready to Appeal Your Oregon Property Tax?
Enter your address for a free overassessment analysis. If the numbers support a appeal, your complete evidence packet is $49.