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.
John Commingers Ainsworth was an American pioneer businessman and steamboat owner in Oregon. A native of Ohio, he moved west to mine gold in California before immigrating to Oregon where he piloted steamships and became a founder of the Oregon Steam Navigation Company and several banks.
The John C. Ainsworth House is a historic building in Oregon City, Oregon, United States. It was built in 1851 for John C. Ainsworth, the main founder of the Oregon Steam Navigation Company. It is one of the oldest structures in the Portland area and remains in good condition. It is also the only two-story portico in Oregon. The house was added to the National Register of Historic Places in 1973.
William Christmas Knighton was an American architect best known for his work in Oregon. Knighton designed the Governor Hotel in Portland, Johnson Hall at the University of Oregon, and the Oregon Supreme Court Building and Deepwood Estate in Salem. He served as Oregon's first state architect from 1911–1915, appointed by Governor Oswald West. By 1915, Knighton had designed ninety building projects as state architect. In 1919, Knighton was appointed by Governor Ben Olcott as the first president of the Oregon State Board of Architectural Examiners, a position he held until 1922. In 1920, Knighton was elected the sixth president of the Oregon Chapter of the American Institute of Architects. He remained on the chapter's board of trustees for several years and was chair of the Chapter Legislative Committee into the 1930s.
The Annand–Loomis House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places. It has also been known as the John Annand House and as the Lee B. Loomis House.
The Simon Benson House is a 19th-century house located in downtown Portland, Oregon. It was listed on the National Register of Historic Places in 1983.
The Digman–Zidell House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places.
The Rufus C. Holman House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places. It is located in the Southwest Hills neighborhood.
The Hotel deLuxe is a hotel located in southwest Portland, Oregon, in the Goose Hollow neighborhood.
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 Samuel G. Reed House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places.
The John Eben Young House is a house located in southwest Portland, Oregon listed on the National Register of Historic Places.
The Belle Ainsworth Jenkins Estate, located near Beaverton, Oregon, United States, is listed on the National Register of Historic Places. Built starting in 1912, the main house on the property was intended as a summer home. The entire 68-acre (28 ha) estate is owned by the Tualatin Hills Park & Recreation District (THPRD). The estate has eight buildings, including the main home and a farmhouse built in 1880.
The A. H. Maegly House is a house located in southwest Portland, Oregon, listed on the National Register of Historic Places. It is located in the upscale Arlington Heights neighborhood. Built for Aaron H. Maegly, a wealthy Portland broker, the distinctive house was completed in 1915. It was designed by Portland architect John Virginius Bennes, in the Prairie School style, an architectural style that is rare in Oregon.
Ainsworth House may refer to:
