Hotels Four Seasons Philadelphia moving to new Comcast tower in 2017 By Danny King / January 21, 2014 Share 1 -- The Four Seasons Philadelphia will move into the city's tallest building two blocks from its current Logan Square location in 2017 when the 59-story mixed-use project developed by Comcast Corp. and Liberty Property Trust is completed. The hotel will have more than 200 rooms and will include a restaurant on the building's top floor. At 1,121 feet tall, the $1.2 billion project, called the Comcast Innovation and Technology Center, will be the country's tallest building outside of New York and Chicago. The building, located on the 1800 block of Arch Street in Philadelphia's Center City district, will total 1.52 million square feet. Follow Danny King on Twitter @dktravelweekly.