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 Ayer–Shea House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Bates–Seller House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Bretnor Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
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 Day Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Frank E. Dooly House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Elizabeth Ducey House is a house located in northwest Portland, Oregon, listed on the National Register of Historic Places.
The Eugene Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Henry Hahn House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Harmon–Neils House is a house 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 Isaac Neuberger House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
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 Frank C. Stettler House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Trinity Place Apartments, located in northwest Portland, Oregon, is acknowledged by the National Register of Historic Places.
