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 Kenton Hotel is a historic hotel in Portland, Oregon. It was built in 1909, added to the National Register of Historic Places on October 16, 1990, and identified as a contributing resource in the Kenton Commercial Historic District when the district was added to the National Register on September 3, 2001.
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 When prohibition was repealed in 1933, the Oregon Liquor Control Commission was created through Oregon's Knox Bill.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 Ball–Ehrman House is a house located in southwest 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 Alice Druhot House is located in southwest Portland, Oregon listed on the National Register of Historic Places. It is located in the Goose Hollow neighborhood.
The Giesy–Failing House is a house located southwest Portland, Oregon listed on the National Register of Historic Places. It is located in the Southwest Hills neighborhood.
The Imperial Garage, located in downtown Portland, Oregon, is listed on the National Register of Historic Places.
The Corbett Brothers Auto Storage Garage is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places.
The Dr. Noble Wiley Jones House is a house located in the Goose Hollow neighborhood of southwest Portland, Oregon. Built in 1911, the house was listed on the National Register of Historic Places in 1988.
The Medical Arts Building is a historic building located at 1020 SW Taylor Street in Downtown Portland, Oregon. It was completed in 1925 by the Houghtaling & Dougan architecture firm, and was listed on the National Register of Historic Places on November 6, 1986.
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 Natt and Christena McDougall House is a house located in northwest Portland, Oregon, that is listed on the National Register of Historic Places.
The Whidden–Kerr House and Garden, also known as High Hatch Estate, is a historic property located in the unincorporated communities of Riverwood and Dunthorpe in Multnomah County, Oregon, south of Portland and north of Lake Oswego, Oregon. William M. Whidden of Whidden & Lewis designed the house in 1901, to be his own residence, and it was built the same year. Whidden and his family lived in the house until 1911, when he sold it to businessman Thomas Kerr, Sr. (1896–1925). It later passed to Kerr's son, Thomas Kerr, Jr., and ultimately remained with the Kerr family until 1987.
Portland Fire Station No. 7, located in southeast Portland in the U.S. state of Oregon, is a two-story structure listed on the National Register of Historic Places. Built in 1927, it was added to the register in 1989. It was the last of numerous Portland firehouses to be designed by fire chief and architect Lee Gray Holden, who died of a stroke while visiting the No. 7 firehouse in 1943. The building continued to be used by the city's Fire Department until the 1980s, when it was sold off and used as an automobile garage. It was acquired by a local developer in 2009, and was restored and remodeled for office and retail use.
