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.
This is a list of properties and historic districts in Oregon that are listed on the National Register of Historic Places. There are listings in all of Oregon's 36 counties.
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 Sovereign Hotel was a Portland, Oregon, hotel built in 1923. The nine-story building was added to the United States' National Register of Historic Places on December 2, 1981. Part of the building houses a portion of the Oregon Historical Society's Oregon History Center.
The Charles F. Berg Building, also the Dolph Building is an art-deco building in downtown Portland, Oregon. It is one of the few examples of commercial use of art-deco in Portland.
The Kimpton Hotel Vintage Portland, historically known as the Imperial Hotel and also as The Plaza Hotel, is a historic hotel building in downtown Portland, Oregon, United States. It was completed in 1894 and was listed on the National Register of Historic Places in 1985 as "Imperial Hotel". Since 2015, the building has been in use as the Kimpton Hotel Vintage Portland, and prior to then it had been known as the Hotel Vintage Plaza since 1991.
The Multnomah County Courthouse is a historic building that served as the courthouse for Multnomah County, Oregon from 1911 to 2020. It is located in downtown, Portland, Oregon, the county seat, and is listed on the National Register of Historic Places. Due to concerns over the structural deficiency of the then-century-old building, which was determined to need a costly seismic retrofit, the county board of commissioners decided in 2013 to launch plans to construct a new courthouse in a different location, to replace the existing building. Construction began in October 2016. The old courthouse closed on September 29, 2020, and the new courthouse opened on October 5. The old building was sold in 2018 to NBP Capital, which plans to convert it into a mixed-use development after making a seismic retrofit.
The Yeon Building is a historic 59.13 m (194.0 ft), 15-story office building completed in 1911 in downtown Portland, Oregon. Almost completely clad in glazed terra-cotta, and culminating in a colonnade on the top floors, the Yeon Building once was illuminated at night by light sockets built into the cornices, but later removed. The building's namesake is Jean Baptiste Yeon (1865–1928), a self-made timber tycoon who financed the construction. At the time of completion, the Yeon Building was the tallest building in Oregon and it remained so for nearly two years.
The Hamilton Building is a historic office building in downtown Portland, Oregon. It went through a renovation in 1977, and was listed on National Register of Historic Places in March of that year. It is the neighbor of the Dekum Building, a fellow NRHP listing on Third Avenue.
The Pacific Building is a historic office building in downtown Portland, Oregon, United States. It has been listed on the National Register of Historic Places since March 5, 1992.
The Flatiron Building, also known as Ringlers Annex and Espresso Bar is a historic two-story building in downtown Portland, Oregon. Since 1989, it has been listed on the National Register of Historic Places. Previously, it had been designated a Portland Landmark by the city's Historic Landmarks Commission in 1988. This small building has a triangular footprint, as it sits at the end of a triangular lot bounded by West Burnside, SW Stark, and 12th Streets.
The Hotel Alder, is an historic five-story building in downtown Portland, Oregon, United States. In 2004, it was named to the National Register of Historic Places. It has also been known as the Hotel President, the Jack London Hotel, and Century Plaza. The ground floor is occupied by the popular Rialto Poolroom Bar and Cafe and an off-track betting parlor which was sold to new owners in December 2016.
The Central Library is a three-story public library branch in the downtown core of Portland, Oregon, United States. Opened in 1913, it serves as the main branch of the Multnomah County Library system. In 1979, the Georgian style building was added to the National Register of Historic Places as the Central Building, Public Library. The library underwent major structural and interior renovations in the mid 1990s. The library also underwent a refresh in 2023.
The Hotel Lucia, formerly the Imperial Hotel, is a historic hotel building in downtown Portland, Oregon, United States. It was built in 1909 as an extension of the adjacent, original Imperial Hotel. The original Imperial building was made into a separate hotel in 1949, renamed the Plaza Hotel, and after a period of non-hotel use in the 1980s it today operates as the Kimpton Hotel Vintage Portland.
The Cornelius Hotel is a historic hotel building in downtown Portland, Oregon, United States that is listed on the National Register of Historic Places. It was designed by John V. Bennes's firm, and constructed in 1907–08. It ceased to be used as a hotel by the 1950s. A fire in 1985 left the top three floors of the structure uninhabitable. By the early 1990s, the building had been vacated, and it remained vacant for more than two decades. In 2016–2018, it was joined to the adjacent Woodlark Building, extensively renovated, and converted into a hotel. The Woodlark Hotel opened on December 15, 2018.
The William B. Holden House is a house located in southeast Portland, Oregon listed on the National Register of Historic Places. The property was deemed significant for its architecture, for its landscape architecture, and for its association with the life of Dr. W. B. Holden (1873–1955). The house was designed by architect Roscoe Hememway. The landscape architecture was designed by John Alexander Grant. The property included a rose garden.
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. It was built in 1910 for Ben Selling & Associates, composed of Ben Selling and partners Charles Moore and Moses Blum.
