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 Kimpton Hotel Vintage Portland, historically known as the Imperial Hotel and also as The Plaza Hotel, is a historic hotel building in downtown Portland, Oregon, United States. It was completed in 1894 and was listed on the National Register of Historic Places in 1985 as "Imperial Hotel". Since 2015, the building has been in use as the Kimpton Hotel Vintage Portland, and prior to then it had been known as the Hotel Vintage Plaza since 1991.
The former First Church of Christ, Scientist, built in 1909, is an historic building located at 1813 NW Everett Street, in Portland, Oregon. It was designed by noted Chicago architect Solon Spencer Beman, who designed many Christian Science churches. On October 2, 1978, the building was added to the National Register of Historic Places.
The American Apartment Building is a building complex located in northwest Portland, Oregon, listed on the National Register of Historic Places.
The Belle Court Apartments is a four-story building in northwest Portland, Oregon listed on the National Register of Historic Places. The building is in the Tudor Revival architecture style designed by Ellis Fuller Lawrence in 1912.
The Biltmore Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Bretnor Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Buck Apartment Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Campbell Hotel, located in northwest Portland, Oregon, is a historic former residential hotel that is listed on the National Register of Historic Places (NRHP). It is now an apartment building named the Campbell Court Apartments.
The Day Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Dayton Apartment Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Eugene Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Honeyman Hardware Company Building is a historic commercial building located at 832 NW Hoyt Street in Northwest Portland, Oregon. It was completed in 1912 and was listed on the National Register of Historic Places on December 15, 1989.
The Lauer Apartment Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
Linnea Hall is a building located in northwest Portland, Oregon, in the United States. It is listed on the National Register of Historic Places.
The Trinity Place Apartments, located in northwest Portland, Oregon, is acknowledged by the National Register of Historic Places.
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.
