The following list presents the full set of National Register of Historic Places listings in Multnomah County, Oregon. However, please see separate articles for listings in each of Portland's six quadrants.
The Ambassador Apartments is a historic building in downtown Portland, Oregon, United States. Since 1979, it has been on the National Register of Historic Places.
The John Deere Plow Company Building is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Joseph R. Bowles House is a house located in southwest Portland, Oregon, that is listed on the National Register of Historic Places.
The Loyalty Building, formerly known as the Buyers Building and the Guardian Building, is a building located in downtown Portland, Oregon listed on the National Register of Historic Places.
The Electric Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places. It was built in 1910 for the Portland Railway, Light and Power Company, to serve as the company's headquarters and to house its main electricity generating station.
The Elm Street Apartments is a building complex located in southwest Portland, Oregon listed on the National Register of Historic Places.
The Envoy Apartment Building is a building located in southwest Portland, Oregon listed on the National Register of Historic Places. The building was originally apartments but was converted into condominiums in 2004.
The Gilbert Building, also known as the Jacobs Building and Taylor Hotel, is a historic building located in downtown Portland, Oregon listed on the National Register of Historic Places.
The Bertha M. and Marie A. Green House is a building located in southwest Portland, Oregon, listed on the National Register of Historic Places.
The Brown Apartments is a building complex located in downtown Portland, Oregon, listed on the National Register of Historic Places.
The Calumet Hotel, also known as the Esquire Hotel, is a former hotel building located in downtown Portland, Oregon, that is listed on the National Register of Historic Places. The building was changed from a commercial hotel to a residential hotel for low-income residents in the 1930s. At some point, it took the name Esquire Hotel. By the time of its nomination to the National Register, in 1983, it was vacant. The building was renovated in 2008–09 and is now known as "The Esquire" apartments.
The Lipman–Wolfe and Company Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places. It was originally the flagship store of the Lipman-Wolfe & Company department store. The architects were Doyle & Patterson.
The Neighbors of Woodcraft Building, also known as the Tiffany Center, is a building located in southwest Portland, Oregon, listed on the National Register of Historic Places. Construction of the building was commissioned by the Neighbors of Woodcraft (NOW), a non-profit fraternal benefit society based in Oregon since 1905 and operating in several western states, for use as a national headquarters and clubhouse. The building was completed in May 1929 and dedicated in June. In 1993, NOW sold the building and moved out of its remaining office space there. The building was added to the National Register in February 1996.
The Roosevelt Hotel was a hotel located in downtown Portland, Oregon at 1005 SW Park. It was built in 1924 and is listed on the National Register of Historic Places. In 2000–2001 the building was converted to condominiums.
The Selling Building, also known as the Oregon National Building, is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places. It was built in 1910 for Ben Selling & Associates, composed of Ben Selling and partners Charles Moore and Moses Blum.
The Portland Skidmore/Old Town Historic District is an historic district in Portland, Oregon's Old Town Chinatown neighborhood, in the United States. The approximately 20-block area, center around Burnside Street and named after the Skidmore Fountain, is known for exhibiting Italianate architecture, though High Victorian Italianate, Renaissance Revival, Richardsonian Romanesque, and Sullivanesque styles are also present. In addition to Skidmore Fountain, structures within the district's boundaries include the Blagen Block, Delschneider Building, Hallock and McMillin Building, New Market Theater, New Market Alley Building, New Market Annex, and Poppleton Building.
