This list of tallest buildings in Denver ranks skyscrapers and high-rises in the U.S. city of Denver, Colorado, by height. The tallest building in Denver is the 56-story Republic Plaza, which rises 714 feet (218 m) and was completed in 1984. It stands as the 109th-tallest building in the United States, and the tallest building in the state of Colorado. The second-tallest skyscraper in the city and the state is 1801 California Street, commonly known as CenturyLink Tower, which rises 709 feet (216 m). Twenty-nine of the thirty tallest buildings in Colorado are located in Denver.
The history of skyscrapers in Denver began with the completion of the Equitable Building in 1892; this building, rising 143 feet (44 m) and nine floors, was the first high-rise in Denver. The title of the city's "first skyscraper" is usually given to the Daniels & Fisher Tower, which rises 371 feet (113 m) and was completed in 1910. The city went through a large building boom that lasted from the early 1970s to the mid-1980s. During this time, 21 of the city's 27 tallest buildings were constructed, including Republic Plaza, 1801 California Street, and the Wells Fargo Center. The city is the site of seven skyscrapers over 492 feet (150 m) in height, including two which rank among the tallest in the United States. Overall, the skyline of Denver is ranked (based upon existing and under construction buildings over 492 feet (150 m) tall) second in the Mountain States (after Las Vegas) and seventeenth in the United States. As of June 2008[update], there are 190 completed high-rises in the city.