Chehalis boasts three historic districts that are recognized on the National Register of Historic Places.
Pennsylvania Avenue ~ West Side Historic District: This district is a well-preserved, historically significant neighborhood built by the urban elite of Chehalis in the late 19th and early 20th centuries. A walking tour guide is available at the Lewis County Historical Museum.
Hillside Historic District: This district features many quaint and charming homes located in the eastern part of town encompassing the majority of Washington and Adams Avenues.
Downtown Historic District: This district is actually the city's third city center which shifted from Main Street to Market Boulevard in the 1890s. The Historic Downtown Chehalis Walking Tour guide, available at the Lewis County Historical Museum, features 40+ historic buildings, and tells the story of the evolution of the downtown business district.