King County collects the highest property tax in Washington, levying an average of $3,572.00 (0.88% of median home value) yearly in property taxes, while Ferry County has the lowest property tax in the state, collecting an average tax of $941.00 (0.64% of median home value) per year. You can use the Washington property tax map to the left to compare Spokane County's property tax to other counties in Washington. Spokane County is ranked 554th of the 3143 counties for property taxes as a percentage of median income. The average yearly property tax paid by Spokane County residents amounts to about 3.09% of their yearly income. Spokane County has one of the highest median property taxes in the United States, and is ranked 506th of the 3143 counties in order of median property taxes. Spokane County collects, on average, 1.01% of a property's assessed fair market value as property tax. The median property tax in Spokane County, Washington is $1,901 per year for a home worth the median value of $187,900.