99138 Property Tax Rate

Property owners in ZIP code 99138 (Inchelium, Washington) pay a median of $1,842/year in property taxes on homes valued at $206,800. This translates to an effective tax rate of 0.89%, which is 16% above the Washington state average of 0.77%.

The monthly property tax burden for a median-valued home in 99138 is approximately $154, which factors into escrow payments on mortgages. This ZIP code is located within Ferry County. This is $1,750 less than the Washington average of $3,592/year.

Compared to similar ZIP codes in Washington, 99138 has lower property taxes. ZIP codes with similar effective rates include 98359 (0.89%) and 98055 (0.89%).

In Inchelium, property taxes represent approximately 3.6% of the median household income of $51,094, providing context for the relative tax burden on homeowners in this area.

Washington has no state income tax and does not reassess property at sale — your assessed value is locked in until you make major improvements or the county schedules a revaluation cycle. Ferry County provides a Senior/Disabled Exemption Program (income-tested, for owners 61+ or permanently disabled) and a Property Tax Reduction Program for low-income households — submit applications to the Ferry County Assessor by the annual deadline. Contact the Ferry County Assessor within 30 days of closing to confirm your assessment and determine eligibility for exemption programs available in the county.