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Updated 2025 Tax Year

Wasco County
Property Tax Guide

Everything you need to know about property taxes in Wasco County, OR. Rates, due dates, exemptions, and how it affects your monthly payment.

8 Official Sources
8 min read
Quick Facts
Tax Rate
Approximately 1% of assessed value (varies by taxing district combination)
1st Due
Nov 15
2nd Due
Nov 15
Exemptions
5+ Available
Section 1

How Property Tax Works

Wasco County's property tax system serves as the primary funding mechanism for essential local services including schools, fire protection, libraries, and county operations. Property taxes in Wasco County are administered by the County Assessor's office and collected based on the assessed value of real property within the county's boundaries.

The effective property tax rate in Wasco County typically ranges around Oregon's statewide average of approximately 1% of assessed value, though actual rates vary significantly by location within the county due to different combinations of special taxing districts. Your specific tax rate depends on which fire district, school district, library district, and other special service districts serve your property location. The 2025-26 tax year rate has not yet been finalized as it will be determined during the county's budget adoption process for fiscal year 2025.

Property owners should note that Oregon operates under Measure 5 and Measure 50 limitations, which place constitutional limits on property tax rates while allowing for modest annual assessment increases on existing properties.

Section 2

What Makes Up Your Tax Bill

ComponentRateDescription
Base County LevyTBDGeneral county operations and services
School DistrictsVariesLocal school district operations and bonds
Fire/Rural Fire DistrictsVariesFire protection and emergency services
Library DistrictsVariesPublic library services
Special Service DistrictsVariesParks, water, sanitation, other services
Total Combined RateTBDFinal rate pending FY 2025 budget adoption

Note: The final tax rates for levy year 2025-26 will be announced after the county budget is approved. Actual rates vary by location within Wasco County based on which special taxing districts serve each property. Contact the Wasco County Assessor at 541-506-2510 for specific district information for your property.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Wasco County, property taxes are due in two installments:

First Installment
Nov 15
Delinquent after Dec 10
Second Installment
Nov 15
Delinquent after Apr 10
Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Wasco County are additional tax bills issued when there are changes to property ownership, new construction, or improvements that increase a property's assessed value during the tax year. These taxes cover the difference between what was originally billed and what should be owed based on the property's new assessment.

Common triggers for supplemental taxes include: property sales that result in a reassessment to current market value, completion of new construction or major renovations, and changes in property use or classification. The supplemental tax is calculated by applying the current tax rate to the difference between the old and new assessed values, prorated for the remaining months in the tax year.

For example, if a property's assessed value increases from $400,000 to $500,000 due to completed renovations in January, and the local tax rate is 1.2%, the annual supplemental tax would be approximately $1,200 ($100,000 increase × 1.2%), with the actual bill prorated based on when the change took effect during the tax year.

Example Calculation

Example 1: $300,000 Property

  • Assessed Value: $300,000
  • Senior/Disabled Credit Applied: -$1,000 (if qualified and applied for)
  • Net Taxable Value: $299,000
  • Estimated Tax Rate: 1.1% (varies by district)
  • Annual Tax: $3,289
  • Monthly Escrow: $274

Example 2: $600,000 Property

  • Assessed Value: $600,000
  • Veterans' Disability Credit: -$500 (if qualified and applied for)
  • Net Taxable Value: $599,500
  • Estimated Tax Rate: 1.1% (varies by district)
  • Annual Tax: $6,595
  • Monthly Escrow: $550

Example 3: $1,000,000 Property

  • Assessed Value: $1,000,000
  • No Credits Applied: $0
  • Net Taxable Value: $1,000,000
  • Estimated Tax Rate: 1.1% (varies by district)
  • Annual Tax: $11,000
  • Monthly Escrow: $917

Note: Tax credits shown require separate applications and qualification. Actual rates pending FY 2025 budget approval and vary by special taxing districts.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Wasco County require property tax escrow accounts for borrowers with less than 20% down payment. Your lender collects monthly escrow payments along with your mortgage payment, typically 1/12th of your estimated annual property tax bill. The lender then pays your property taxes directly to Wasco County when they become due.

Tax statements for the 2025-26 tax year are mailed in October, with payments typically due by specific dates during the tax year. Lenders usually pay taxes shortly after receiving the bills to avoid any late penalties. Property owners should verify that their lender has received and paid their tax bills by checking with the Wasco County Assessor's office at 541-506-2510.

If you don't have an escrow account, you're responsible for paying taxes directly to the county. Late payments incur interest at 1.333% monthly (16% annually), making timely payment crucial for avoiding additional costs.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are property taxes due for the 2025-26 tax year? A: Tax statements mail in October, with specific due dates printed on individual tax statements. Contact the Assessor's office at 541-506-2510 for exact dates.

Q: What tax credits are available and how do I apply? A: Oregon offers various tax credits including senior/disabled person credits, veterans' disability credits, and low-income credits. All credits require separate applications filed with the County Assessor by specific deadlines. Credits reduce your tax bill, not your assessed value.

Q: What is the homestead exemption and is it automatic? A: Oregon doesn't have a traditional homestead exemption. However, Measure 50 limits annual assessment increases on existing properties to 3% per year. This limitation is automatic and doesn't require application, but properties can be reassessed to market value upon sale.

Q: How often are properties reassessed? A: Properties are reassessed annually, but under Measure 50, increases are limited to 3% per year unless there's new construction, improvements, or change of ownership.

Q: What happens if I pay my taxes late? A: Late payments incur interest at 1.333% monthly (16% annually). Interest begins accruing immediately after the due date.

Q: Can I pay my property taxes online? A: Yes, Wasco County offers online payments through Point & Pay. You can also call 844-435-3978 to pay by phone.

Q: How do special district taxes affect my bill? A: Your location within Wasco County determines which fire, school, library, and other special districts serve your property. Each district adds its own tax rate to your total bill.

Q: How do I appeal my property assessment? A: Assessment appeals must be filed with the Property Value Appeal Board (PVAB) between the time tax statements are mailed in October and December 31st. Late filing is accepted until December 1st with a fee. Note that PVAB addresses property value issues, not tax rate questions.

Q: Where can I get help with property tax questions? A: Contact the Wasco County Assessor's office at 541-506-2510 or email assessor@wascocountyor.gov for assistance with assessments, credits, payments, or general property tax questions.

Q: What triggers a property reassessment to current market value? A: Properties are reassessed to current market value when ownership changes (sales), new construction is completed, or significant improvements are made that increase the property's value.

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