The Pioneer Courthouse is a federal courthouse in Portland, Oregon, United States. Built beginning in 1869, the structure is the oldest federal building in the Pacific Northwest, and the second-oldest west of the Mississippi River. Along with Pioneer Courthouse Square, it serves as the center of downtown Portland. It is also known as the Pioneer Post Office because a popular downtown Portland post office was, until 2005, located inside. The courthouse is one of four primary locations where the United States Court of Appeals for the Ninth Circuit hears oral arguments. It also houses the chambers of the Portland-based judges on the Ninth Circuit.
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 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 Electric Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places. It was built in 1910 for the Portland Railway, Light and Power Company, to serve as the company's headquarters and to house its main electricity generating station.
The Elm Street Apartments is a building complex located in southwest 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 M. Lloyd Frank Estate, also known as the Frank Manor House, is an historic building on campus of Lewis & Clark College, in Portland, Oregon, United States. It is listed on the National Register of Historic Places. The Manor House is currently used as the administrative center for Lewis and Clark college.
The Lipman–Wolfe and Company Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places. It was originally the flagship store of the Lipman-Wolfe & Company department store. The architects were Doyle & Patterson.
The Medical Arts Building is a historic building located at 1020 SW Taylor Street in Downtown Portland, Oregon. It was completed in 1925 by the Houghtaling & Dougan architecture firm, and was listed on the National Register of Historic Places on November 6, 1986.
The Mohawk Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places.
The Neighbors of Woodcraft Building, also known as the Tiffany Center, is a building located in southwest Portland, Oregon, listed on the National Register of Historic Places. Construction of the building was commissioned by the Neighbors of Woodcraft (NOW), a non-profit fraternal benefit society based in Oregon since 1905 and operating in several western states, for use as a national headquarters and clubhouse. The building was completed in May 1929 and dedicated in June. In 1993, NOW sold the building and moved out of its remaining office space there. The building was added to the National Register in February 1996.
The Portland Police Block, located in downtown Portland, Oregon, and at the southern edge of the Old Town historic district, is listed on the National Register of Historic Places. The building served as the headquarters of the Portland Police Bureau until 1984.
The Roosevelt Hotel was a hotel located in downtown Portland, Oregon at 1005 SW Park. It was built in 1924 and is listed on the National Register of Historic Places. In 2000–2001 the building was converted to condominiums.
The Selling Building, also known as the Oregon National Building, is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places.
The Wilcox Building is a building located in downtown Portland, Oregon, listed on the National Register of Historic Places. The building was designed by Whidden and Lewis. The design is similar to the Failing Office Building (1907) and Stevens Building (1914), also by Whidden and Lewis.
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 Frederick Torgler Building is a building located in north Portland, Oregon listed on the National Register of Historic Places.
The George Earle Chamberlain House is a house located in northeast Portland, Oregon, listed on the National Register of Historic Places (NRHP). The house was built in 1893 and its original owner was Frank M. Warren. In 1904, the house was acquired by George Earle Chamberlain, who was then in his first term as Governor of Oregon, and Chamberlain owned and occupied the house until his death in 1928. Soon after buying the house, Chamberlain remodeled the first and second floors, both interior and exterior. Since the time of Chamberlain's ownership, modifications to the building have been few.
