Four Seasons Hotel and Private Residences Denver is a 565 ft tall skyscraper in Denver, Colorado, United States. This makes it the 4th tallest building in Denver. It was completed in 2010 and has 45 stories and 766487 sqft of usable floor space. It is estimated to cost $350 million, or $456.63 per sq. ft., which would make it the most expensive privately owned building ever constructed in Denver. It is a mixed-use building, containing a pool, fitness center and amenities. The lower 24 floors contain the Four Season Hotel, while the upper 21 floors contain residential suites. The hotel operates 239 guest rooms and suites. As of 2010, it was the tallest mixed-use tower in Denver.