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 five quadrants.
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.
Otis Elevator Company Building may refer to:
Montgomery Park is an office building and former Montgomery Ward mail-order catalog warehouse and department store located in Portland, Oregon, United States, built in 1920. It is listed on the National Register of Historic Places under its historic name Montgomery Ward & Company Building. The building is located on property once used for the Lewis and Clark Centennial Exposition, of 1905. It was occupied by Montgomery Ward from 1920 until 1985, although the majority of the company's operations at this location ended in 1982. The building is the second-largest office building in Portland with 577,339 square feet (53,636.5 m2).
The International Harvester Company Warehouse is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The John Deere Plow Company Building is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The M. Lloyd Frank Estate, also known as the Frank Manor House, is an historic building on campus of Lewis & Clark College, in Portland, Oregon. It is listed on the National Register of Historic Places.
The Albers Brothers Milling Company building is a historic mill and contemporary office building located on the banks of the Willamette River in Portland, Oregon, United States. In the early decades of the 20th century, the German-immigrant Albers brothers built the largest flour and feed milling enterprise on the West Coast, headquartered in Portland and comprising operations in four states. This combined milling, warehousing, shipping, and office facility, built in 1909–1911, is the oldest remaining flour or feed mill in the city. The silos built into the south elevation of the building are painted with representations some of the mill's products as advertisements.
The Bretnor Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
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 Meier & Frank Delivery Depot, located in northwest Portland, Oregon, is listed on the National Register of Historic Places. Built for Portland retailing company Meier & Frank, the building was designed by Sutton & Whitney and constructed in 1927. From 1986 to 2001, the building was owned by the Oregon Historical Society, for processing of items and storage of its collections.
The Meier & Frank Warehouse, located in northwest Portland, Oregon, is listed on the National Register of Historic Places. Built in 1923 for longtime Portland-based retail company Meier & Frank, it was added to the National Register in 2000.
The Pacific Coast Biscuit Company Building is a building located in northwest Portland, Oregon, listed on the National Register of Historic Places. The building originally housed the Portland Cracker Company and later was home to the Pacific Coast Biscuit Company.
The Portland Cordage Company Building is a building located in northwest Portland, Oregon, that is listed on the National Register of Historic Places.
The Portland General Electric Company Station "L" Group in southeast Portland in the U.S. state of Oregon was a cluster of six industrial buildings listed on the National Register of Historic Places. Built between 1910 and 1929 by Portland General Electric (PGE), it was added to the register in 1985. In 1986, PGE gave Station L and 18.5 acres (7.5 ha) of land to the Oregon Museum of Science and Industry (OMSI). The Station L turbine is a central feature of OMSI's Turbine Hall. The complex was listed on the National Register in 1985, and was delisted in 2020.
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.
