Dr. H. A. May House

Louis Wehrmann Building, also known as the John and Amy Mintrup House, is a historic commercial building located at Washington, Franklin County, Missouri. It was built about 1857, and is a 2+1⁄2-story, five-bay, German Neoclassical style brick building in the Klassisismus form. It features a two-story neoclassical pilasters and an ornamental ironwork balcony over the central front door.: 5 It was listed on the National Register of Historic Places in 2000.

Henry Degen House is a historic home located at Washington, Franklin County, Missouri. It was built in about 1873, and is a 1+1⁄2-story, five-bay, double entrance brick dwelling on a stone foundation. It has a side-gable roof and segmental arched door and window openings. It features an ornate front porch across the center bay. It was listed on the National Register of Historic Places in 2000.

Henry J. Buhr House is a historic home located at Washington, Franklin County, Missouri. It was built about 1873, and is a one to two-story, three-bay, side entry brick dwelling on a stone foundation and set on a hillside. It has a side-gable roof and segmental arched door and window openings.: 5 It was listed on the National Register of Historic Places in 2000.

Fred Schnier Building is a historic commercial building located at Washington, Franklin County, Missouri. It was built about 1883, and is a two-story, narrow rectangular brick building with a flat roof. It has a two-story rear addition with a one-story extension. It has a large storefront on the first floor and residence on the second floor.: 5 It was listed on the National Register of Historic Places in 2000.

Henry Charles Eitzen Building, also known as the Oscar H. Guether Store Building and Hy. Poppenheusen Tin Shop, is a historic commercial building located at Washington, Franklin County, Missouri. The original section was built about 1854, and is a 2 1/2-story, German Neoclassical style brick building in the Klassisismus form. It has a three-bay, one-story brick ell added before 1893.: 5 It was listed on the National Register of Historic Places in 2000.

The Henry F. Beinke House (also known as the Wm. Wollbrink House) is a historic house located at 610 Jefferson Street in Washington, Franklin County, Missouri. It is locally significant as an example go the Missouri-German style of architecture.

Spaunhorst and Mayn Building is a historic mixed-use commercial and residential building located at Washington, Franklin County, Missouri. The original two-story brick section was built about 1870, with a one-story addition built about 1892. It sits on a limestone foundation.: 5 It was listed on the National Register of Historic Places in 2007.

John Abkemeyer House is a historic home located at Washington, Franklin County, Missouri. It was built about 1914, and is a 1+1⁄2-story, three bay hall and parlor plan, brick dwelling on a stone foundation. It has a side gable roof, segmental-arched door and window openings, and open hip roofed front porch.: 5 It was listed on the National Register of Historic Places in 2000.

H.P. Broeker House is a historic home located at Washington, Franklin County, Missouri. It was built about 1868, and is a two-story, five-bay, brick dwelling on a brick foundation. It has a flat roof, one story shed-roofed rear ell, and low segmental arched door and window openings.: 5 It was listed on the National Register of Historic Places in 2000.

George Tamm Building, also known as the Washington Citizen Building, is a historic commercial building located at Washington, Franklin County, Missouri. It was built about 1863, and is a two-story, Federal style brick building. It features a corner storefront on the first floor and a large ornamental iron balcony.: 5 It was listed on the National Register of Historic Places in 2000.

John H. Broeker House is a historic home located at Washington, Franklin County, Missouri. It was built about 1868, and is a 1+1⁄2-story, five-bay, central passage plan brick dwelling on a brick foundation. It has a side-gable roof and low segmental arched door and window openings. The formerly separate brick washhouse or summer kitchen was connected to the house about 1940.: 5 It was listed on the National Register of Historic Places in 2000.

Downtown Washington Historic District is a national historic district located at Washington, Franklin County, Missouri. The district encompasses 83 contributing buildings and 9 contributing structures in the central business district of Washington. The district developed between about 1849 and 1940 and includes representative examples of Greek Revival, Late Victorian, and American Craftsman style architecture. Located in the district is the separately listed Henry C. Thias House. Notable buildings include the St. Francis Borgia Catholic Church complex, U.S. Post Office (1922), Waterworks Building, Calvin Theater (1909), railway depot (1923), and Masonic lodge (1929).It was listed on the National Register of Historic Places in 1989.