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Updated 2025 Tax Year

Yamhill County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
$10-15 per $1,000 of assessed value (varies by special districts)
Exemptions
5+ Available
Section 1

How Property Tax Works

Yamhill County's property tax system serves as the primary funding mechanism for essential local services including schools, public safety, county operations, and various special districts throughout the county. Property owners in Yamhill County pay taxes based on their property's real market value as determined by the County Assessor, with tax rates that have remained remarkably stable over the past 26 years.

The effective tax rate in Yamhill County varies by location within the county due to different combinations of special taxing districts, but property owners can expect rates in the range of $10-15 per $1,000 of assessed value when combining all applicable levies. The actual rate you pay depends on which special districts serve your property, such as school districts, fire districts, water districts, and other local improvement districts. All property owners should verify their specific tax rate by checking which taxing districts apply to their particular address, as rates can vary significantly even within the same neighborhood.

Section 2

What Makes Up Your Tax Bill

ComponentRate per $1,000Description
County General Fund$2.58Basic county operations and services
County Special Levy$2.44Additional county programs and infrastructure
School Districts$4.50-$6.20Varies by school district boundaries
Fire/Emergency Services$0.75-$1.25Varies by fire district
Special Districts$0.50-$2.00Water, sewer, parks, libraries (location-dependent)
Total Estimated Range$10.77-$14.47Actual rate depends on your specific location

Rates shown are for FY 2024-2025 and may vary by specific taxing district combinations. The county portion ($5.02 per thousand total) has not changed in 26 years. Contact the Yamhill County Assessor at (503) 434-7501 to determine the exact rate for your property address.

Section 3

When Are Property Taxes Due?

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

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 Yamhill County are triggered when there is a change in property ownership, completion of new construction, or significant improvements that increase a property's assessed value during the tax year. These taxes cover the difference between what was originally assessed and the new assessed value for the remaining portion of the tax year.

Supplemental taxes are calculated by taking the difference between the new assessed value and the original assessed value, multiplying by your property's total tax rate, then prorating for the remaining months in the tax year. For example, if you purchase a home in January that was previously assessed at $200,000 but sells for $400,000, you would owe supplemental taxes on the $200,000 difference for the remaining 11 months of the tax year. At a rate of $12 per $1,000, this would result in approximately $2,200 in supplemental taxes ($200,000 ÷ 1,000 × $12 × 11/12 months).

Example Calculation

Example 1: $300,000 Home

  • Assessed Value: $300,000
  • Less: Senior/Disabled Tax Credit: -$1,000 (if applicable, requires application)
  • Net Taxable Value: $299,000
  • Annual Tax ($12.00/$1,000): $3,588
  • Monthly Payment: $299

Example 2: $600,000 Home

  • Assessed Value: $600,000
  • Less: Homestead Property Tax Credit: -$1,500 (if applicable, requires application)
  • Net Taxable Value: $598,500
  • Annual Tax ($12.50/$1,000): $7,481
  • Monthly Payment: $623

Example 3: $1,000,000 Home

  • Assessed Value: $1,000,000
  • Less: Working Waterfront Credit: -$2,000 (if applicable, requires application)
  • Net Taxable Value: $998,000
  • Annual Tax ($13.00/$1,000): $12,974
  • Monthly Payment: $1,081

Tax credits shown require annual application by April 1st deadline. Actual rates vary by specific taxing districts serving your property. Contact Yamhill County Assessment and Taxation at 535 NE 5th St, Room 42, McMinnville, OR 97128.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Yamhill County collect property taxes through monthly escrow payments as part of your mortgage payment. Your lender estimates your annual property tax bill and divides it by 12, collecting this amount each month along with principal, interest, and insurance. The lender then pays your property taxes directly to Yamhill County on the scheduled due dates: November 15, February 15, and May 15.

Property owners with escrowed taxes should verify that their lender has the correct tax amount, especially after reassessments or when supplemental tax bills are issued. You can verify your current tax obligation by contacting the Yamhill County Tax Office or checking online. If your property taxes increase significantly, your lender may require an escrow shortage payment or increase your monthly payment to cover the difference. Always review your annual escrow analysis statement and contact your lender immediately if you notice discrepancies between your actual tax bill and what your lender is collecting.

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 in Yamhill County for FY 2024-2025? A: Property taxes are due in three equal installments: November 15, February 15, and May 15. Any unpaid taxes after May 16 are considered delinquent. Note that no statement is mailed for the 2nd and 3rd installments.

Q: What tax credits are available and do they require application? A: Several tax credits are available including Senior/Disabled Person Tax Credit, Homestead Property Tax Credit, and Veterans' Disability Credit. ALL credits require annual application by April 1st of the assessment year. Credits reduce your tax bill dollar-for-dollar, unlike exemptions which reduce assessed value.

Q: How does the Homestead Property Tax Credit work? A: The Homestead Credit limits the increase in your assessed value to a maximum percentage each year (typically 10%), but it does NOT reduce your property's market value. You must file an application by April 1st each year to maintain this credit. It only applies to your primary residence.

Q: How often are properties reassessed in Yamhill County? A: Properties are assessed annually as of January 1st each year. The County Assessor reviews market sales and other factors to determine real market value. Property owners who disagree with their assessment can appeal by April 15th following the assessment.

Q: What are the penalties for late property tax payments? A: Interest accrues on unpaid taxes at a rate set by state law (typically 1.33% per month). Additional penalties may apply for taxes that remain delinquent beyond May 16th. Properties with three years of unpaid taxes may be subject to tax foreclosure.

Q: Can I pay my property taxes online? A: Yes, Yamhill County offers online payment options through their website. You can also pay by mail, phone, or in person at the Tax Office located at 535 NE 5th St, Room 42, McMinnville, OR 97128.

Q: How do special district taxes affect my bill? A: Special districts provide services like fire protection, water, sewer, libraries, and parks. Each district adds its own tax rate to your bill. Your total rate depends on which districts serve your specific address - this can vary even within the same neighborhood.

Q: What triggers a supplemental tax bill? A: Supplemental taxes are issued when property changes ownership, new construction is completed, or major improvements increase assessed value during the tax year. The supplemental bill covers the value difference for the remaining months of the current tax year.

Q: Where can I get help with property tax questions? A: Contact Yamhill County Assessment and Taxation at (503) 434-7501 or visit their office at 535 NE 5th St, Room 42, McMinnville, OR 97128. For exemptions and credits, contact the County Assessor's office. Office hours and holiday closures (like Presidents' Day on February 16) may affect availability.

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