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 Eugenia Apartments in southeast Portland in the U.S. state of Oregon is a two-story apartment building listed on the National Register of Historic Places. A Colonial Revival structure built in 1911, it was added to the register in 1989.
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 former Mizpah Presbyterian Church is a building in southeast Portland, Oregon.
The Burrell Heights Apartments is a building complex in southeast 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 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 Bretnor Apartments is a building complex 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 Clovelly Garden Apartments, also known as Holman Gardens, are a historic apartment complex located in northeast Portland, Oregon, United States. Built in 1928 in the Tudor Revival style, they are a fine example of the garden apartments popular in Portland in the late 1920s and early 1930s. They were designed by prominent architect Carl L. Linde (1864–1945) under commission to George Nease (1874–1958), an influential timber businessman. They contain light fixtures designed by Fred Baker (1887–1981), recognized as a master lighting designer in Portland in that period.
The James C. and Mary A. Costello House is a historic building located in the Irvington neighborhood Portland, Oregon, United States. Built in 1910, it is an excellent example of the work of prominent architect Joseph Jacobberger at the height of the Arts and Crafts style in Portland residential architecture. During his prolific career Jacobberger contributed greatly to the spread of that style in Portland. James C. Costello was a developer who helped shape Irvington, and chose to locate his own home there.
The Lumbermen's Building is an office building located at 333 SW Fifth Avenue in Downtown Portland, Oregon. It was listed on the National Register of Historic Places on September 12, 1996.
The Park Heathman Hotel, originally known as the Heathman Hotel, is a residential building in Portland, Oregon, that serves low-income seniors and disabled persons. Owned by Harsch Investment Properties, the building was renamed Park Tower Apartments in the 1980s. It was added to the National Register of Historic Places in 2014.
The F. E. Bowman Apartments is a historic apartment building located in the Irvington neighborhood of Portland, Oregon, United States. Constructed in 1913, it is one of the oldest apartment buildings in Irvington, and the best preserved from its era. Through its Craftsman styling, builder Frederic E. Bowman gave attention to blending the building into the neighborhood of pre-existing single-family homes. It is one of several apartment buildings of similar scale and/or style that Bowman added to Portland's urban landscape through his career.
The Frederick Turner Fourplex is a historic apartment building located in Portland, Oregon, United States. Built in 1928 in the Tudor Revival style, it is an outstanding example of Portland architect Roscoe D. Hemenway's (1889–1959) work in period revival styles during the 1920s through the 1950s. Hemenway was well known for designing well-appointed single-family homes, and the Turner Fourplex is one of very few multi-unit residences he produced.
The Senate Court Apartments are a historic apartment building located in Portland, Oregon, United States. It is an important work in the career of Portland architect Roscoe Hemenway, who generally focused on single-family residential designs. In it, Hemenway employed the Colonial Revival style to draw out an air of respectability and tradition, in an effort to make apartment living more appealing to a middle-class clientele. Built in 1944 for developer Douglas W. Lowell, the complex was aimed at single women working in war industries. Lowell went on to develop over 3,000 housing units in Portland through his career.
The Salerno Apartments are a historic apartment building in Portland, Oregon, United States. Built in 1929–1930 in the Mediterranean Revival style, its courtyard evokes "a quiet street in an old Mediterranean town". Architect Carl L. Linde experimented with garden court-type apartments in the nearby 1929 Sorrento Apartments, and perfected the form in the Salerno building.
