National Register Listings in Mason County, Washington
Cushman Hydroelectric Project Historic District
Cushman No. 1 Hydroelectric Power Plant
Cushman No. 2 Hydroelectric Power Plant
Ebenezer Congregational Church
Goldsborough Creek Bridge
Harstine Island Community Hall
High Steel Bridge
Malaney-O'Neill House
Mason County Courthouse
North Hamma Hamma River Bridge
Schafer State Park
Shelton Public Library and Town Hall
Simpson Logging Company Locomotive No. 7 and Peninsular Railway Caboose No. 700
South Hamma Hamma River Bridge
Twanoh State Park
Vance Creek Bridge