Washington County, OR Property Tax Calculator
Washington County homeowners pay a median $4,929 a year in property tax, 0.84% of a median $588,000 home: above Oregon's 0.81% but below the national 0.94%.
Property tax in Washington County by home value, at 0.84%
| Home value | A year | A month |
|---|---|---|
| $200,000 | $1,676 | $140 |
| $300,000 | $2,514 | $210 |
| $400,000 | $3,352 | $279 |
| $500,000 | $4,190 | $349 |
| $750,000 | $6,285 | $524 |
| $1,000,000 | $8,380 | $698 |
Washington County against Oregon and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Washington County | 0.84% | $4,929 | $588,000 | $107,772 |
| Oregon | 0.81% | $3,876 | $477,600 | $83,011 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in Washington County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
What it assumes
- Cities, school districts and special districts within the county levy different rates, so bills vary within it.
- Survey figures cover 2020 to 2024 and lag recent reassessments.
Questions people ask
What is the property tax rate in Washington County?
The effective rate is 0.84%: a median $4,929 a year on a median $588,000 home. That's the 7th highest of the 18 Oregon counties we cover.
How much is property tax on a $400,000 house in Washington County?
About $3,352 a year, $279 a month, at the county's effective rate, before any exemption.
How does Washington County compare with the rest of Oregon?
Its rate is above the state's 0.81%. Across Oregon, covered counties range from 0.52% to 0.96%.
How do I lower my Washington County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
Other Oregon counties
Related calculators
Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.