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 Pittock Block is a historic building in downtown Portland, Oregon, occupying a city block between SW 9th and 10th Avenues, SW Stark and Washington Streets, and west of O'Bryant Square.
The Nettie Krouse Fourplex in southeast Portland in the U.S. state of Oregon is a 2.5-story multiple dwelling listed on the National Register of Historic Places. Built in the American Craftsman style in 1910, it was added to the register in 1989.
The International Harvester Company Warehouse is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Frigidaire Building or Templeton Building is a building in southeast Portland, Oregon listed on the National Register of Historic Places. The building was designed by William C. Knighton and Leslie D. Howell and completed in 1929 for O.E. (Oscar) Heintz and occupied by Frigidaire until 1934. When prohibition was repealed in 1933, the Oregon Liquor Control Commission was created through Oregon's Knox Bill. OLCC occupied the building once Frigidare left. Later it was occupied by R.J. Templeton, an auto parts distributor.
The Olympic Cereal Mill, formerly known as B&O Warehouse, is a building complex in southeast Portland, Oregon, listed on the National Register of Historic Places. The building is currently a creative space.
The Oregon Portland Cement Building is a building in southeast Portland, Oregon, United States listed on the National Register of Historic Places.
The New Logus Block is a building complex in southeast Portland, Oregon, listed on the National Register of Historic Places.
The Osborn Hotel is a building in southeast Portland, Oregon, listed 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 Elm Street Apartments is a building complex located in southwest Portland, Oregon listed on the National Register of Historic Places.
The First National Bank Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places.
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 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 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 Nathaniel West Buildings in southeast Portland, Oregon, United States, are listed on the National Register of Historic Places. The two structures are part of a group of three, including West's Block, built by West in the late 19th century.
The Portland Railway, Light and Power Sellwood Division Carbarn Office and Clubhouse, also known as Carmen's Clubhouse, in southeast Portland in the U.S. state of Oregon, is a former commercial transportation building listed on the National Register of Historic Places (NRHP). Built in 1910 by the Portland Railway, Light and Power Company (PRL&P), it was added to the register in 2002. The structure was associated with Portland's street railway and interurban system of the late 19th and early 20th centuries.
