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.
John Yeon was an American architect in Portland, Oregon, in the mid-twentieth century. He is regarded as one of the early practitioners of the Northwest Regional style of Modernism. Largely self-taught, Yeon’s wide ranging activities encompassed planning, conservation, historic preservation, art collecting, and urban activism. He was a connoisseur of objets d’art as well as landscapes, and one of Oregon’s most gifted architectural designers, even while his output was limited.
Richard Wilhelm Sundeleaf was an American architect from Portland, Oregon, United States. A number of the buildings he designed are listed on the U.S. National Register of Historic Places.
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.
Whidden & Lewis was an architectural firm based in Portland, Oregon, in the United States, around the beginning of the 20th century, formed by William M. Whidden and Ion Lewis. The partnership was established in 1889. Their residential buildings were mostly in the Colonial Revival style, while their commercial buildings were primarily in the 20th-century classical style. The commercial buildings often featured brick, along with terra cotta ornamentation. Many of their buildings are listed on the National Register of Historic Places (NRHP).
John Virginius Bennes was an American architect who designed numerous buildings throughout the state of Oregon, particularly in Baker City and Portland. In Baker City he did an extensive redesign of the Geiser Grand Hotel, designed several homes, and a now-demolished Elks building. He moved to Portland in 1907 and continued practicing there until 1942.
The Broadway Hotel is a historic hotel building located in Portland, Oregon, built in 1913. As of 2009, it was managed as single room occupancy apartments under the name Helen M. Swindell Apartments. It is listed on the National Register of Historic Places. It was designed by Portland architect John Virginius Bennes's Bennes and Hendricks firm.
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.
Morris Homans Whitehouse was an American architect whose work included the design of the Gus Solomon United States Courthouse in Portland, Oregon.
The Visitors Information Center, also known as the Rose Building, is a historic building located on Naito Parkway in downtown Portland, Oregon, United States. Built in 1948, it is noted as a prominent product of its architect John Yeon. It is listed on the National Register of Historic Places.
The Daniel J. Malarkey House is a historic house located in Portland, Oregon. It was the home of noted legislator and trial lawyer Dan Malarkey (1870–1939) from its construction in 1909 until his death. Associated with Progressive causes, Malarkey presided over the Oregon Senate during its 1913 session, when the legislature passed landmark bills establishing a minimum wage and regulating public utilities. In private legal practice, he played a key part in the ultimately successful battle against the 1922 Oregon School Law.
The George F. Heusner House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
Povey Brothers Studio, also known as Povey Brothers Art Glass Works or Povey Bros. Glass Co., was an American producer of stained glass windows based in Portland, Oregon. The studio was active from 1888 to 1928. As the largest and best known art glass company in Oregon, it produced windows for homes, churches, and commercial buildings throughout the West. When the firm was founded in 1888, it was the only creative window firm in Portland, then a city of 42,000 residents.
The Peter Jeppesen House is a house located in north Portland, Oregon listed on the National Register of Historic Places.
The Maud and Belle Ainsworth House is a historic house located in the Southwest Hills neighborhood of Portland, Oregon. It is listed on the National Register of Historic Places.
