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 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 Cornelius Hotel is a historic hotel building in downtown Portland, Oregon, United States that is listed on the National Register of Historic Places. It was designed by John V. Bennes's firm, and constructed in 1907–08. It ceased to be used as a hotel by the 1950s. A fire in 1985 left the top three floors of the structure uninhabitable. By the early 1990s, the building had been vacated, and it remained vacant for more than two decades. In 2016–2018, it was joined to the adjacent Woodlark Building, extensively renovated, and converted into a hotel. The Woodlark Hotel opened on December 15, 2018.
The Thomas Graham Building, 6031 Southeast Stark Street, Portland, in the U.S. state of Oregon, is a two-story commercial building listed on the National Register of Historic Places. Built in 1910, it was added to the register in 1992.
West's Block is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Monastery of the Precious Blood is a building in southeast Portland, Oregon, United States, listed on the National Register of Historic Places. It is in the Montavilla neighborhood.
The First Unitarian Church of Portland is a church building located in downtown Portland, Oregon, listed on the National Register of Historic Places. Located on S.W. 12th Avenue at Salmon Street, it was constructed and opened in 1924.
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 David Cole House is a house located in Portland, Oregon, listed on the National Register of Historic Places. The house includes several stained glass windows made by Portland's Povey Brothers Studio. It is in the Kenton neighborhood of North Portland, and operates as an events venues called the Victorian Belle.
The F. M. Knight Building in southeast Portland in the U.S. state of Oregon is a two-story general commercial building listed on the National Register of Historic Places. Built in an Italianate style in about 1890, it was added to the register in 1989.
The George P. Lent Investment Properties, also known as Firehouse Row, in southeast Portland in the U.S. state of Oregon, consists of a group of five similar 1.5-story, single-family houses listed on the National Register of Historic Places. Built in 1893, the group was added to the register in 1989. The Queen Anne style houses are next to one another at the corner of Southeast 7th Avenue and Southeast Harrison Streets. They are commonly referred to as Firehouse Row because firemen from the adjacent Portland Fire Station No. 23 sometimes lived in them.
The Henry Kuehle Investment Property, also known as the Gottsacker Grocery Building, in southeast Portland in the U.S. state of Oregon is a two-story commercial building listed on the National Register of Historic Places. Built in Bungalow/Craftsman style in 1909, it was added to the register in 1989.
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.
The Blagen Block is an historic building in Portland, Oregon's Old Town Chinatown neighborhood, in the United States. The four-story building was designed by Warren H. Williams and completed in 1888. In 1970, the city's Historic Landmarks Commission designated the Blagen Block as a Portland Historic Landmark. In 1975, it was listed as a primary landmark in the National Register of Historic Places (NRHP) nomination of the Portland Skidmore/Old Town Historic District, the building's designation subsequently translated to "contributing property" under post-1970s NRHP terminology. Since 2014, Airbnb has had offices in the building, opening its office in December of that year.
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.
