Washington County Property Tax Rate — Oregon 2026
In Washington County, Oregon, homeowners pay a median annual property tax of $4,852 on a median home value of $558,500, resulting in an effective property tax rate of 0.87%. This rate is 0.04% higher than the Oregon state average (0.83%) and 0.04% lower than the national average (0.91%).
How Washington County Compares
Property taxes in Washington County are below the national average, suggesting a more affordable tax environment for homeowners in this area.
Property Tax Calculator for Washington County
Enter your home’s estimated market value to calculate your approximate annual property tax in Washington County, Oregon.
This estimate uses the effective tax rate of 0.87% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Washington County, Oregon
The median property tax paid by homeowners in Washington County is $4,852 per year. Based on a median home value of $558,500, this translates to an effective property tax rate of 0.87%.
For context, the statewide median property tax in Oregon is $3,767 with an effective rate of 0.83%, while the national average effective rate stands at 0.91%. Washington County’s effective rate is 0.04% higher than the Oregon state average (0.83%).
Of the 232,366 housing units in Washington County, approximately 60.87% are owner-occupied and 39.13% are renter-occupied. Homeownership rates can influence local tax policy, as communities with higher ownership rates often see more voter engagement on property tax issues.
Important: The data on this page is for informational purposes only and should not be used as tax advice. Actual property taxes depend on your property’s assessed value, local millage rates, and any applicable exemptions. Contact your county assessor’s office for precise tax information.