- 4 bd
- 2 ba
- 1,178 sqft

The average Columbia County, WA home value is $270,319, up 1.4% over the past year. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $270,319
1-Year Value Change: +1.4%
(Data through September 30, 2026)
Zillow is more than a place to browse homes. It’s a place to connect with a local agent, explore financing solutions, schedule home tours, understand your buying and selling power, and more.
The median home value in Columbia County, WA is $270,319 as of September 2026. This represents a 0.1% decrease compared to last month and a 1.4% increase year-over-year.
The median home value in Columbia County, WA ($270,319) compares to Washington ($587,533) and the U.S. national median ($366,157).
The cities with the highest median home values in Columbia County, WA include: Dayton ($245,925). These cities represent the most expensive areas within the county.