Postal Building (Portland, Oregon)

The Waldo Block, located in downtown Portland, Oregon, is listed on the National Register of Historic Places.The building's ground floor houses Mama Mia Trattoria.

The Dekum or the Dekum Building is a historic office building in downtown Portland, Oregon, United States. It was listed on the National Register of Historic Places in 1980.With its rusticated sandstone base, over-scaled arches at street level, and stone carvings, the eight-story building is a strong example of Romanesque Revival architecture. It was made completely from materials found in Oregon. Completed in 1892, it is named after Frank Dekum, a German immigrant who opened Portland's first candy shop. Construction cost US$300,000 in 1892, equivalent to $8,300,000 in 2021. During construction, masons reportedly drank beer instead of the usual coffee.

The Spalding Building, formerly the Oregon Bank Building, is a historic office building in downtown Portland, Oregon, United States on the northwest corner of SW 3rd Avenue and Washington streets. Since 1982, it has been on the National Register of Historic Places.Architect Cass Gilbert worked on the American Renaissance-style Spalding building while also working on the Woolworth Building in New York City. Completed in 1911, it was considered a skyscraper.The 103,824-square-foot (9,645.6 m2) building contains 12 above-ground floors, and its construction mimics a classical column: A base, a shaft, and a capital.In spring 2016, Squarespace, a website-design company based in New York City, moved its Portland office to the Spalding Building, in newly renovated space used by around 150 employees.

Mama Mia Trattoria is an Italian restaurant housed in Portland, Oregon's Waldo Block, in the United States.

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 building, completed in 1893, is an anomaly among its contemporaries. While many buildings built during the late 19th century were often ornate, the Hamilton building has little decoration. It is said that architects Whidden & Lewis designed a ground-breaking building, built decades ahead of later (and similar) trends in commercial architecture. Decoration comes in the form of granite-clad cast iron entry columns and cable mouldings, set against a Japanese-brick facade.The Hamilton Building is 6 stories tall, and is named after Hamilton Corbett, son of Henry W. Corbett. It is also the first building in Portland designed in the Classical Revival style.

The Grand Stable and Carriage Building is a building in downtown Portland, Oregon, United States that was listed on the National Register of Historic Places on October 7, 1982. The building was built by Oregon business pioneer Simeon Gannett Reed in 1887. It features a classic Italianate cast iron facade. The National Register listing also includes an 1894 commercial building located adjacent to the Grand Stable Building, to its south.

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 Concord Building is a building located in downtown Portland, Oregon listed on the National Register of Historic Places.

Blueplate Lunch Counter and Soda Fountain was a restaurant in Portland, Oregon, United States. Located in downtown's Dekum Building, the diner and lunch counter was established by chef–owner Jeff Reiter in 2006. The menu had American-style comfort food such as chicken and dumplings, French toast, meatloaf, and hot dogs, as well as banana splits, egg creams, milkshakes, and sundaes. Blueplate was one of the city's only in-house soda fountains, offering classic and original varieties. Guy Fieri visited for a 2012 episode of the Food Network's Diners, Drive-Ins and Dives. The restaurant garnered a positive reception, especially for its sodas, burger sliders, macaroni and cheese, and grilled cheese and tomato soup combination, which Fieri said was among the nation's best. Blueplate closed in 2016, after operating for nine years.

Moda Tower (formerly ODS Tower) is a 24-story office building in Portland, Oregon. At 308 ft. (94m), it is Portland's tenth-tallest building. Health insurance company Moda Health is the primary tenant of the high-rise. Unico Properties purchased Moda Tower in 2018.

The Railway Exchange Building is a historic building in Portland, Oregon, also known as the Oregon Pioneer Building. The structure houses the restaurant Huber's.

Cameron's Books and Magazines, or simply Cameron's, was Portland, Oregon's oldest used bookstore and one of the largest vintage magazine dealers in the United States The business opened in 1938.Originally slated to close in November 2019, owner Crystal Zingsheim announced in April 2021 that the store was closing for good on April 24, 2021. The final day of business was April 24, 2021, as planned.The Portland government intervened to prevent eviction of Zingsheim from the venue, which would have led to loss of the remaining unsold stock. With assistance from the local government and several local organizations, remaining stock of books and periodicals were relocated to the upper floors of the Portland Union Station, where Zingsheim set up a non-profit organization dedicated to distribution of materials to schools and schools. The material has also provided period style and content for historical accuracy in portraying the past.