How to pay Washington County, OR property tax
✓ Verified — Last verified October 24, 2026
Payment details from the official sources for Washington County. Check the tax year and parcel on your bill before submitting a payment.
Pay on the official siteNot tax or legal advice; confirm with your county.
Payment methods and fees
Published fees
Credit/debit cards: 2.45%, minimum $1.50. E-check/ACH: $0.95.
Official source. Verified .
Published installment dates
Tax year 2026. Dates retain the year published by the source.
Published late-payment rule
Interest on past-due installments is 1.333% monthly (16% annually). Contact the county for the applicable payoff.
Official source. Verified .
Official offices
Washington County Department of Assessment & Taxation
Sources for these instructions
https://webapps.washingtoncountyor.gov/propertytax/
Washington County accepts debit/credit cards and e-check/ACH transactions online.
Verified October 24, 2026
https://webapps.washingtoncountyor.gov/propertytax/
2.45% (minimum $1.50) Convenience Fee Applies $0.95 Convenience Fee Applies
Verified October 24, 2026
Continue with your property
Common questions
Where can I pay Washington County property tax?
Official payment portal: https://webapps.washingtoncountyor.gov/propertytax/. Credit card, Debit card, E-check / ACH