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 Simpson Copple House is a historic residence in Hood River, Oregon, United States. Built in 1906 on a rise overlooking the Columbia River, it is one of the best preserved examples of the vernacular, late Queen Anne architectural style in Hood River. Its size, state of preservation, and fine detail work on its gables especially stand out from similar houses in the area. Simpson Copple (1842–1933) was a Civil War veteran and pioneer orchardist who was important in the growth of the apple industry in the Hood River Valley. He purchased the house shortly after its construction and lived there until his death.
The Edward J. DeHart House, also referred to as Lakecliff, is a historic residence located in Hood River, Oregon, United States.
The Orrin B. Hartley House is a historic residence located in Hood River, Oregon, United States.
The Martin and Carrie Hill House, also known as The Gorge White House, is a historic residence located on rural orchard land near Hood River, Oregon, United States. It may be the finest and most ornate example of the Dutch Colonial Revival architectural style in the vicinity of Hood River, incorporating a large array of the distinctive features of the style. Characteristic elements include a gambrel roof, symmetric, rectilinear form, fanlights, dormers, dentils, balconies, window keystones, fluted columns, and others. The house also displays a very high degree of historic integrity on both the exterior and interior, with only minor alterations since its construction in 1910. Martin Hill (1869–1939) and his orchard property surrounding the house were prominent in the development of the apple industry in the Hood River Valley. He was active in business and community affairs, including service as a Hood River County Commissioner and Oregon state legislator. He built this elaborate house in 1910, several years after purchasing his orchard land in 1901, in order to reconcile his wife Carrie to their relocation from Iowa.
The Lester and Hazel Murphy House is a historic house located in Hood River, Oregon, United States.
The Shaw–Dumble House is a historic residence in Hood River, Oregon, United States.
