- 1 bd
- 1 ba
- 530 sqft

The average Cosmopolis, WA home value is $323,998, down 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: $323,998
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 Cosmopolis, WA is $323,998 as of September 2026. This represents a 0.6% decrease compared to last month and a 1.4% decrease year-over-year.
Home values in Cosmopolis, WA have decreased by 0.6% month-over-month and 1.4% year-over-year.
The median home value in Cosmopolis, WA ($323,998) compares to: Grays Harbor County ($314,086), Washington ($587,533), and the U.S. national median ($366,157).