Columbia County Property Taxes
Columbia County, Washington
Effective Tax Rate
0.00%
26.8% below state avgMedian Annual Tax
$0
$185/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.86%
At a Glance
Median Home Value
$256,100
State avg ▼ $397,674
Tax w/ Mortgage/yr
$2,154
$180/mo escrow
Tax w/o Mortgage/yr
$2,312
$193/mo
State Tax Rate Rank
#35
of 39 counties (1 = lowest)
Data Story
About Property Taxes in Columbia County, Washington
Columbia has state's highest tax rate
Columbia County's effective tax rate of 0.865% exceeds both the national median (0.761%) and Washington's average (0.761%), placing it in the 60th percentile nationally. The median property tax of $2,215 on homes valued at $256,100 reflects the county's lower home values despite its high rate.
Highest rate across all Washington
Columbia County ranks 1st among Washington's 39 counties for effective tax rate at 0.865%, the highest in the state and well above the state average of 0.761%. At $2,215 in median property tax, the county remains below the state median of $3,028 due to lower home values.
Tops all regional competitors
Columbia's 0.865% rate is the highest among all examined counties, exceeding Adams (0.837%), Clark (0.836%), and all others in eastern Washington. This distinction reflects the county's unique fiscal structure and represents a significant tax burden for residents.
$2,215 on median-priced property
A typical Columbia County home valued at $256,100 incurs an annual property tax of $2,215, the second-lowest in absolute dollars but the highest as a percentage of home value. Homeowners with mortgages pay $2,154 yearly, while those without pay $2,312.
High rate makes review essential
With Washington's highest effective tax rate, Columbia County homeowners should carefully review their assessments for accuracy. Even modest overassessments compound significantly when applied to this elevated rate, making appeals particularly valuable.
How Columbia County Compares
Median Annual Property Tax
Columbia County
0.86%
Effective rate
Washington Avg
0.76%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Columbia County, Washington?
How much are property taxes in Columbia County?
How does Columbia County compare to the Washington average?
What is the median home value in Columbia County, Washington?
Why is Columbia County property tax rate higher than the Washington average?
How does Columbia County rank for property taxes in Washington?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Washington
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.