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707 17th Street
MCI Plaza.jpg
General information
Status Complete
Type Office, Hotel
Location 707 17th Street, Denver, Colorado, United States
Coordinates 39°44′49″N 104°59′25″W / 39.747056°N 104.990378°W / 39.747056; -104.990378
Opening 1981
Owner MCI Inc.,
Marriott International, Inc.
Height
Roof 522 ft (159 m)
Technical details
Floor count 42
Floor area 522,071 square feet (48,502 m2)
Design and construction
Architect Metz, Train & Youngren
Developer Crescent Real Estate Equities Company
Main contractor Del E. Webb Construction Company

707 17th Street is a tall building, also known as a skyscraper, in Denver, Colorado. It has been known by several names, including the MCI Building and Arco Tower. Today, it is sometimes called the Jacobs Building. This building was finished in 1981.

About 707 17th Street

A Tall Building in Denver

707 17th Street stands 42 floors high. It reaches 522 feet (159 m) into the sky. When it was completed in 1981, it was the tallest building in Denver. It held this record for two years. In 1983, the even taller 1801 California Street building was finished. As of 2018, 707 17th Street is the seventh-tallest building in Denver.

Changes in Name and Use

The building was known as MCI Plaza until 2005. This was because a company called MCI Inc. used to be the main tenant. They occupied the top office floors. After some business changes, MCI Inc. was bought by Verizon Communications in 2005. This led to the building's name changing.

Even before the name change, parts of the building were empty. In 2002, an engineering company called Carter & Burgess decided to rent a large amount of office space there. This was one of the biggest office deals in Denver that year. Carter & Burgess later joined with another company, Jacobs Engineering Group. Jacobs Engineering Group eventually moved their main office to a different location in Denver.

What's Inside?

707 17th Street is a "mixed-use" skyscraper. This means it has different types of spaces inside. The top 22 floors are used for offices. The lower 20 floors contain a hotel. This hotel was first called the Denver Marriott City Center. On December 1, 2017, its name changed to the Hilton Denver City Center. The hotel has 613 rooms for guests.

Unique Design

The building has a special design called a "setfront." Most skyscrapers have a "setback," where the building gets narrower as it goes up. But 707 17th Street is different. It actually gets wider at its 21st floor. This wider part is called a "setfront."

The narrower part at the bottom is where the Hilton hotel is located. The wider floors above hold most of the office spaces. The outside of the building, called its façade, is made of black glass. It is an example of a style known as "international-style black box" architecture.

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