Cowlitz County Property Tax Rate — Washington 2026
In Cowlitz County, Washington, homeowners pay a median annual property tax of $2,988 on a median home value of $367,400, resulting in an effective property tax rate of 0.81%. This rate is 0.03% lower than the Washington state average (0.84%) and 0.10% lower than the national average (0.91%).
How Cowlitz County Compares
Homeowners in Cowlitz County enjoy a relatively low property tax burden compared to both the Washington state average and the national average.
Property Tax Calculator for Cowlitz County
Enter your home’s estimated market value to calculate your approximate annual property tax in Cowlitz County, Washington.
This estimate uses the effective tax rate of 0.81% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Cowlitz County, Washington
The median property tax paid by homeowners in Cowlitz County is $2,988 per year. Based on a median home value of $367,400, this translates to an effective property tax rate of 0.81%.
For context, the statewide median property tax in Washington is $4,361 with an effective rate of 0.84%, while the national average effective rate stands at 0.91%. Cowlitz County’s effective rate is 0.03% lower than the Washington state average (0.84%).
Of the 43,409 housing units in Cowlitz County, approximately 66.15% are owner-occupied and 33.85% 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.