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.
Hot Lake Hotel is a historic Colonial Revival hotel originally built in 1864 in Hot Lake, Union County, Oregon, United States. The hotel received its namesake from the thermal spring lakes on the property, and operated as a luxury resort and sanitorium during the turn of the century, advertising the medicinal attributes of the mineral water and drawing visitors worldwide. It is also the first known commercial building in the world to utilize geothermal energy as its primary heat source.
The Geiser Grand Hotel is a historic hotel in Baker City, Oregon, that opened in 1889. It received a restoration and reopened in 1993 after closing in 1968. Decorations include mahogany columns up to a high ceiling, Victorian-style chandeliers, and a stained glass ceiling. It was known as "the Queen of the Mines" during Gold Rush times and described as being the finest hotel between Portland, Oregon and Salt Lake City with the third elevator built west of the Mississippi River.
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 Hamilton Hotel in Portland, Oregon, originally the Venable, was designed by Portland architect John V. Bennes's Bennes & Hendricks firm and built in 1913. It was four stories and in the Classic Revival Commercial Style.
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.
The Coleman–Scott House is a Colonial Revival house in Northeast Portland, Oregon. It was listed on the National Register of Historic Places in 1985. It was built in 1916 and designed by John V. Bennes.
The Jeanne Manor Apartment Building is a seven-story apartment hi-rise located in downtown Portland, Oregon, in the United States, listed on the National Register of Historic Places. Architects Bennes and Herzog finished the Art Deco structure in 1931. The Jeanne Manor faces the South Park Blocks at the corner of Southwest Park Avenue and Clay Street.
The H. Liebes and Company Building is a commercial building located at 625 SW Broadway in southwest Portland, Oregon. It was listed on the National Register of Historic Places on September 12, 1996.
The John Bexell House, located in Corvallis, Oregon, is a house listed on the National Register of Historic Places.
The A. H. Maegly House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places. It is located in the upscale Arlington Heights neighborhood. Built for Aaron H. Maegly, a wealthy Portland broker, the distinctive house was completed in 1915. It was designed by Portland architect John Virginius Bennes, in the Prairie School style, an architectural style that is rare in Oregon.
The Thomas M. Baldwin House is a historic house located in Prineville, Oregon, United States. It is noted for its association with Baldwin, as well as for its architectural values.
The Liberty Theater is a historic vaudeville theater and cinema in Astoria, Oregon, United States. The whole commercial building of which the theater is the major occupant is also known as the Astor Building, especially in the context of historic preservation.
The John Virginius and Annice Bennes House is a house located in the Arlington Heights section of Portland, Oregon designed by prominent architect John Virginius Bennes for himself and his wife, Annice. The house is registered on the National Register for Historic Places.
The Page and Son Apartments is a tenement building located in Portland, Oregon designed by prominent architect John Virginius Bennes. The structure is listed on the National Register for Historic Places.
The Poultry Building and Incubator House is a house located on the Oregon State University campus in Corvallis, Oregon, designed by prominent architect John Virginius Bennes. The house is registered on the National Register for Historic Places.
The Pacific Hardware & Steel Company Warehouse is an industrial building located in Northwest Portland, Oregon designed by prominent architect John Virginius Bennes. The building is registered on the National Register for Historic Places.
