Cowlitz County sits on the Columbia River along I-5, with Longview and Kelso as its main cities, plus Woodland, Kalama and Castle Rock. Use the search to browse every active listing, or pick a city on the right to narrow it down.
$425KMedian single-family sale price, about the 12 months through May 2026
47 daysAverage time on market for residential homes, August 2026
1,227Single-family homes sold in Cowlitz County, about the 12 months through May 2026
Cowlitz is mostly a single-family market with some of the more affordable prices in western Washington. Northwest MLS shows about 367 residential listings active in August 2026, up about 14% from a year earlier. Sellers should price against their own city, since Longview, Kelso and Woodland trade in different ranges.
Source: Redfin Data Center, Cowlitz County, about the 12 months through May 2026; Northwest MLS, Cowlitz County, August 2026.
