Frisco office project opens after more than a year of construction The Frisco Station office building is the third developed in the $1.8 billion project. The Offices Three building is just north of Warren Parkway.(Debra Hale) Developers have completed construction on a Frisco office project. VanTrust Real Estate LLC has opened The Offices Three at Frisco Station, located west of the Dallas North Tollway on Warren Parkway. The 210,000-square-foot speculative office building is in the $1.8 billion Frisco Station mixed-use development. VanTrust started the building in early 2020. It’s the third of five planned office buildings to be constructed on the north side of Warren Parkway.