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 Central Library is a three-story public library branch in the downtown core of Portland, Oregon, United States. Opened in 1913, it serves as the main branch of the Multnomah County Library system. In 1979, the Georgian style building was added to the National Register of Historic Places as the Central Building, Public Library. The library underwent major structural and interior renovations in the mid 1990s.
The International Harvester Company Warehouse is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Douglas Building is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Enterprise Planing Mill 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 When prohibition was repealed in 1933, the Oregon Liquor Control Commission was created through Oregon's Knox Bill.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 Oregon Portland Cement Building is a building 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 East Portland Grand Avenue Historic District, located in southeast Portland, Oregon, is listed on the National Register of Historic Places. The district includes approximately 20 city blocks on or near Southeast Grand Avenue on the east side of the Willamette River, roughly bounded on the south by SE Main Street, north by SE Ankeny Street, west by SE Martin Luther King Jr. Boulevard, and east by SE Seventh Avenue. Most structures in the district are commercial buildings rising two to three stories. Immediately to the west of the historic district is Portland's east side industrial area, and to the east are industrial and residential areas.
The Rachel Louise Hawthorne House is a house in southeast Portland, Oregon listed on the National Register of Historic Places.
The Joseph Kendall House is a house in southeast Portland, Oregon, that is listed on the National Register of Historic Places.
The Charles Piper Building is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Martin Parelius Fourplex is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Santa Barbara Apartments is a building complex on Hawthorne Boulevard in southeast Portland, Oregon listed on the National Register of Historic Places.
The Elizabeth B. Gowanlock House is a house in southeast Portland, Oregon listed on the National Register of Historic Places.
The Clarence H. Jones House is a house located in southeast Portland, Oregon listed on the National Register of Historic Places.
The James S. Polhemus House is a house located in southeast Portland, Oregon, listed on the National Register of Historic Places.
The James B. Stephens House is the oldest house in Portland located in southeast Portland, Oregon, United States. The structure is listed on the National Register of Historic Places.
The Italian Gardeners and Ranchers Association Market Building, also known as the Italian Market, in southeast Portland, Oregon in the U.S. is a two-story commercial structure listed on the National Register of Historic Places. Built of concrete in 1922, it was added to the register in 1989.
