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 Kenton Hotel is a historic hotel in Portland, Oregon. It was built in 1909, added to the National Register of Historic Places on October 16, 1990, and identified as a contributing resource in the Kenton Commercial Historic District when the district was added to the National Register on September 3, 2001.
The International Harvester Company Warehouse is a building in southeast Portland, Oregon 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 Osborn Hotel 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 First National Bank Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places.
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 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 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 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 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 Jantzen Knitting Mills Company Building is a building located in northeast Portland, Oregon, USA, listed on the National Register of Historic Places. The picture is of the corner of 19th Ave. and NE Glisan St.
The Albertina Kerr Nursery is a historic building located at 424 NE 22nd Avenue in Northeast Portland, Oregon. It was built by the Johnson, Parker & Wallwork architecture firm in 1921, and was listed on the National Register of Historic Places on August 29, 1979.
The Blake McFall Company Building, also known as the Emmett Building, in southeast Portland in the U.S. state of Oregon, is a five-story commercial warehouse listed on the National Register of Historic Places. Designed by McNaughton & Raymond of Portland and built in 1915, it was added to the register in 1990. The 100-by-200-foot structure is representative of a group of timber-framed loft warehouses built in the early 20th century on the east side of the Willamette River.
The Merchant Hotel, also known as the Merchants' Hotel, is a historic former hotel building in Portland, Oregon, United States. It is located at 121 N.W. Second Avenue in Old Town Chinatown. It is a contributing property in the Portland Skidmore/Old Town Historic District, which was listed on the U.S. National Register of Historic Places in 1975 and designated a National Historic Landmark District in 1977. It is one of the few remaining examples of Victorian Italianate, cast iron architecture on the West Coast. It occupies half of a city block, specifically along the south side of N.W. Davis Street from Second to Third Avenues.
