Property Tax in Washington County
via TaxByCounty
Washington's rate nears national median
Washington County's effective tax rate of 0.526% sits comfortably below the national median of 0.73%, placing it in the bottom 40% of U.S. counties. The median tax bill of $1,316 trails the national median of $2,690 by more than half, reflecting the county's lower median home values.
Nearly matches Idaho's average rate
Washington County's effective rate of 0.526% hovers just above Idaho's state average of 0.508%, making it a typical performer by state standards. At this rate, Washington homeowners pay $1,316 annually—only $213 below the state median, despite below-average home values.
Middle ground in a varied region
Washington County's 0.526% rate sits between the ultra-low rates of Teton (0.346%) and Valley (0.297%) counties and the elevated rate of Twin Falls (0.667%). This positions Washington as the regional middle ground, offering moderate tax burdens compared to its neighbors.
What the average Washington home costs annually
A homeowner with a median-valued Washington property ($250,300) pays approximately $1,316 in annual property taxes. With a mortgage, that bill rises to $1,582; without one, it drops to $1,118.
Lower home values don't eliminate appeal opportunities
Overassessment can happen at any price point, and Washington County homeowners should verify their assessments match comparable sales. Filing a free appeal with the county assessor costs nothing and could reduce your tax burden if your home was assessed above market value.