99328 Property Tax Rate

Property owners in ZIP code 99328 (Dayton, Washington) pay a median of $2,165/year in property taxes on homes valued at $252,200. This translates to an effective tax rate of 0.86%, which is 12% above the Washington state average of 0.77%.

The monthly property tax burden for a median-valued home in 99328 is approximately $180, which factors into escrow payments on mortgages. This ZIP code is located within Columbia County. This is $1,427 less than the Washington average of $3,592/year.

Compared to similar ZIP codes in Washington, 99328 has higher property taxes. ZIP codes with similar effective rates include 99203 (0.86%) and 98023 (0.86%).

In Dayton, property taxes represent approximately 3.0% of the median household income of $72,233, providing context for the relative tax burden on homeowners in this area.

Washington has no state income tax and assesses property at 100% of market value with no annual cap on increases at purchase. The Senior/Disabled Property Tax Exemption Program reduces assessed value for qualifying homeowners 61+ or permanently disabled — contact the Columbia County Assessor's office immediately after closing to determine eligibility and file your exemption application. Request a complete property record from the Columbia County Assessor to verify the assessed value and confirm your exemption filing deadline.