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 American Apartment Building is a building complex located in northwest Portland, Oregon, listed on the National Register of Historic Places.
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 Joseph Bergman House is a house located in northwest Portland, Oregon, listed on the National Register of Historic Places.
The Biltmore Apartments is a building complex located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Burke–Clark House is a house 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 Campbell Townhouses, located in northwest Portland, Oregon, are 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 Joseph Goodman House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Hazel Hall House is in northwest Portland, in the U.S. state of Oregon. It is listed on the National Register of Historic Places. It was the home of poet Hazel Hall.
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 Lewis H. Mills House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Isaac Neuberger House is a house located in northwest Portland, Oregon listed on the National Register of Historic Places.
The Packard Service Building is a building located in northwest Portland, Oregon listed on the National Register of Historic Places.
