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 Kam Wah Chung & Co. Museum, also known as Kam Wah Chung Company Building, is a state park and a National Historic Landmark that preserves early Chinese culture in John Day in the U.S. state of Oregon. Built in the 1865 by George Hazeltine as a supply depot or stagecoach stop along the Dalles-Canyon City wagon road., it is the best-preserved example of a Chinese herbal apothecary and mercantile establishment dating to the post-Civil War period of growth in the Western United States.
The Wonder Ballroom is a music venue located in northeast Portland, Oregon. Prior to opening in 2004, the building was occupied by the Ancient Order of Hibernians, the Catholic Youth Organization, the Portland Boxing School, the American Legion organization, and a community center eventually known as the Collins Center. In 2005, the building was listed on the National Register of Historic Places as the Hibernian Hall for its "historic and architectural significance".
The Harlow Block, also known as the Hayhurst Building, is a historic building located in Portland, Oregon, United States, built in 1882. It is listed on the National Register of Historic Places.
West's Block is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The New Logus Block is a building complex in southeast Portland, Oregon, 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 Morris Marks House is a house located in southwest Portland, Oregon listed on the National Register of Historic Places. It is located in the Goose Hollow neighborhood, just southwest of downtown Portland. Designed by Portland architect Warren Heywood Williams in an Italianate style, the house was built for Morris Marks, a Portland shoe merchant of Polish descent, in 1882. It was originally located at S.W. 11th Avenue and Clay Street, but in the early 1900s was moved to 1501 S.W. Harrison Street, where it has remained ever since.
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 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 Oregon Cracker Company Building is a historic structure located in Portland, Oregon, United States. Built around 1897 as a food processing plant, and expanded in 1901, it is one of Portland's finest Romanesque Revival buildings. The building also includes early examples of structural features that were innovative for the time, but which later became common. The building was added to the National Register of Historic Places in 1979.
The Packard Service Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Portland Van and Storage Building is a building located in north Portland, Oregon listed on the National Register of Historic Places.
The Frederick Torgler Building is a building located in north Portland, Oregon listed on the National Register of Historic Places.
The Nathaniel West Buildings in southeast Portland, Oregon, United States, are listed on the National Register of Historic Places. The two structures are part of a group of three, including West's Block, built by West in the late 19th century.
