Washington County Property Tax Rate — Idaho 2026
In Washington County, Idaho, homeowners pay a median annual property tax of $1,316 on a median home value of $250,300, resulting in an effective property tax rate of 0.53%. This rate is roughly in line with the Idaho state average (0.53%) and 0.38% lower than the national average (0.91%).
How Washington County Compares
Homeowners in Washington County enjoy a relatively low property tax burden compared to both the Idaho state average and the national average.
Property Tax Calculator for Washington County
Enter your home’s estimated market value to calculate your approximate annual property tax in Washington County, Idaho.
This estimate uses the effective tax rate of 0.53% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Washington County, Idaho
The median property tax paid by homeowners in Washington County is $1,316 per year. Based on a median home value of $250,300, this translates to an effective property tax rate of 0.53%.
For context, the statewide median property tax in Idaho is $2,006 with an effective rate of 0.53%, while the national average effective rate stands at 0.91%. Washington County’s effective rate is roughly in line with the Idaho state average (0.53%).
Of the 4,089 housing units in Washington County, approximately 73.27% are owner-occupied and 26.73% 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.