Washington County dates and official links

Washington County property tax tools

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Tools for Washington County, OR

Estimated bill

Starts at the county’s Census median: $588,000. Change it to your best estimate.

Estimated annual bill$4,929

Your home value × the county’s Census effective rate; your actual bill may differ.

Not tax or legal advice; confirm with your county.

Official tax information

Census survey, 2020–2024. Rate = median annual taxes ÷ median home value.

Census home value source
0500000US41067|588000|4727

Official source. Last verified 2026-10-24.

Census taxes paid source
0500000US41067|4929|44|4931|50|4923|88

Official source. Last verified 2026-10-24.

Late payment penalty

Not available yet

A complete date-based penalty rule and its matching cutoff have not been verified here.

Not tax or legal advice; confirm with your county.

Check the official information

Source and verification
Interest is charged at a rate of 1.333% monthly, 16% annually.

Official source. Last verified 2026-10-24.

Exemption savings

Check the exemptions that may fit. A “Yes” does not confirm eligibility; your assessor makes that decision.

Disabled veteran or surviving spouse exemption

Oregon-resident homeowners occupying their primary residence who are veterans with at least 40% disability, or a veteran's surviving spouse or registered domestic partner.

Does this describe you?
Possible annual savingsAnswer above

We’ll show the next step for this exemption.

Not tax or legal advice; confirm with your county.

Official eligibility and application

Eligibility source
You're a 40%-or-more disabled veteran OR You're the surviving spouse or registered domestic partner of a veteran You're an Oregon resident You own your home The home is your primary residence

Official source. Last verified 2026-10-24.

Savings source
The filing period is between January 1st and April 1st.

Official source. Last verified 2026-10-24.

Senior and disabled citizens property tax deferral

Homeowners age 62 or older, or disabled homeowners eligible for federal Social Security disability benefits, may qualify subject to program requirements.

Does this describe you?
Possible annual savingsAnswer above

We’ll show the next step for this exemption.

Not tax or legal advice; confirm with your county.

Official eligibility and application

Eligibility source
You may be able to delay paying property taxes on your home if you are age 62 or older. You must be eligible to receive Federal Social Security disability benefits.

Official source. Last verified 2026-10-24.

Savings source
They also place a lien on your property, and charge 6% interest. File your completed application with Washington County between January 1st and April 15th, or from April 16th to December 1st with a late filing fee.

Official source. Last verified 2026-10-24.

Oregon Property Tax Deferral for Disabled and Senior Homeowners Program

Qualifying disabled or senior homeowners may borrow from the state to pay county property taxes; this is a loan secured by a lien, not an exemption.

Does this describe you?
Possible annual savingsAnswer above

We’ll show the next step for this exemption.

Not tax or legal advice; confirm with your county.

Official eligibility and application

Eligibility source
As a disabled or senior homeowner, you can borrow from the State of Oregon to pay your property taxes to the county.

Official source. Last verified 2026-10-24.

Estimates are separate. Do not add them together; eligibility, taxing units and restrictions can overlap.

Is my assessment too high?

Use market value, not assessed or taxable value.

Compared with the county medianAt the median

This compares market values only; being above the county median does not establish overassessment.

Not tax or legal advice; confirm with your county.

Official appeal information

Census survey, 2020–2024. Rate = median annual taxes ÷ median home value.

Census home value source
0500000US41067|588000|4727

Official source. Last verified 2026-10-24.

Census taxes paid source
0500000US41067|4929|44|4931|50|4923|88

Official source. Last verified 2026-10-24.

Appeal dates and filing

Published appeal deadline: December 31, 2026 (announced).

How to file: File a petition with the Washington County Clerk for the Property Value Appeals Board.

State guidance: After county Property Value Appeals Board review, value appeals may go to the Tax Court Magistrate Division within 30 days of the order's mailing or hearing delivery.

Official appeal source. Last verified 2026-10-24.

Official appeal source. Last verified 2026-10-24.

Official appeal source. Last verified 2026-10-24.

Official appeal source. Last verified 2026-10-24.

Compare counties

Compare the same home value in up to four counties.

City or county works too.

    Starts at the county’s Census median: $588,000. Change it to your best estimate.

    Estimated annual differenceAdd a place

    Enter another ZIP, city or county to compare estimated annual bills.

    Not tax or legal advice; confirm with your county.

    Not tax or legal advice; confirm with your county. How these estimates work.

    Updated , from cited verification dates. Individual sources may have earlier checks.