98570 Property Tax Rate

Property owners in ZIP code 98570 (Onalaska, Washington) pay a median of $1,935/year in property taxes on homes valued at $352,000. This translates to an effective tax rate of 0.55%, which is 28% below the Washington state average of 0.77%.

The monthly property tax burden for a median-valued home in 98570 is approximately $161, which factors into escrow payments on mortgages. This ZIP code is located within Lewis County. This is $1,657 less than the Washington average of $3,592/year.

Compared to similar ZIP codes in Washington, 98570 has lower property taxes. ZIP codes with similar effective rates include 98250 (0.55%) and 98320 (0.55%).

In Onalaska, property taxes represent approximately 2.9% of the median household income of $65,682, providing context for the relative tax burden on homeowners in this area.

Washington imposes no property tax cap; Lewis County Assessor reassesses at market value at sale with no annual growth limit. Lewis County offers the Senior/Disabled Property Tax Exemption for homeowners 61+ or disabled persons with household income below the state threshold (approximately $40,000–$45,000) — eligible applicants exempt a portion of home value from taxation. Contact the Lewis County Assessor immediately after closing to apply for any available exemptions, ensuring your application reaches the assessor by March 31 to take effect in the current tax year.