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.
Salem First United Methodist Church is a Methodist congregation and historic church in Salem, Oregon, United States. The church was listed on the National Register of Historic Places under its original name, First Methodist Episcopal Church of Salem, in 1983. First United is the oldest Methodist church west of the Rocky Mountains, and is a designated United Methodist Heritage Landmark. It is one of Oregon's few high-style Gothic Revival churches outside of Portland, and has one of the rare tall spires left standing in the state.
The Eugenia Apartments in southeast Portland in the U.S. state of Oregon is a two-story apartment building listed on the National Register of Historic Places. A Colonial Revival structure built in 1911, it was added to the register in 1989.
The Nettie Krouse Fourplex in southeast Portland in the U.S. state of Oregon is a 2.5-story multiple dwelling listed on the National Register of Historic Places. Built in the American Craftsman style in 1910, it was added to the register in 1989.
Lawrence & Holford was an architectural firm based in the U.S. state of Oregon, formed by Ellis F. Lawrence and William G. Holford and established in 1913. The firm designed many buildings that are listed on the National Register of Historic Places (NRHP).
The former Mizpah Presbyterian Church is a building in southeast Portland, Oregon.
The New Logus Block is a building complex in southeast Portland, Oregon, listed on the National Register of Historic Places.
The John Deere Plow Company Building is a building in southeast Portland, Oregon listed on the National Register of Historic Places.
The Herschell–Spillman Noah's Ark Carousel, located in southeast Portland, Oregon, is listed on the National Register of Historic Places.
The John M. Wallace Fourplex is a building complex located in southeast Portland, Oregon, United States. It is listed on the National Register of Historic Places.
The St. James Lutheran Church is a church and historic church building located in downtown Portland, Oregon, United States.
Povey Brothers Studio, also known as Povey Brothers Art Glass Works or Povey Bros. Glass Co., was an American producer of stained glass windows based in Portland, Oregon. The studio was active from 1888 to 1928. As the largest and best known art glass company in Oregon, it produced windows for homes, churches, and commercial buildings throughout the West. When the firm was founded in 1888, it was the only creative window firm in Portland, then a city of 42,000 residents.
The Blake McFall Company Building, also known as the Emmett Building, in southeast Portland in the U.S. state of Oregon, is a five-story commercial warehouse listed on the National Register of Historic Places. Designed by McNaughton & Raymond of Portland and built in 1915, it was added to the register in 1990. The 100-by-200-foot structure is representative of a group of timber-framed loft warehouses built in the early 20th century on the east side of the Willamette River.
St. Patrick Catholic Church is a parish of the Archdiocese of Portland, Oregon in the Northwest District of Portland, Oregon, United States. The historic church building is the oldest still used as such in Portland. In 1974, it was listed on the National Register of Historic Places as St. Patrick's Roman Catholic Church and Rectory.
The Alphabet Historic District, is a historic district in the Northwest District of Portland, Oregon which was listed on the National Register of Historic Places in 2000. It is 156.9 acres (63.5 ha) in area and includes 478 contributing buildings. It is roughly bounded by NW Lovejoy St., NW Marshall St., NW 17th Ave., W. Burnside St., and NW 24th Ave.
Historically, Portland has been a religious city. In modern times, however, it has become the least religious city in the United States.
