DENVER – Unbridled Holdings LLC has acquired Grant Street Mansion, a 20,000-square-foot, historically designated mansion in Denver, for an undisclosed sum. The mansion is located at 1115 Grant Street in the Capitol Hill neighborhood. The property was originally built in 1892. It currently contains 28 converted office suites within the four-story, 16,000-square-foot main house, and three office suites within a two-story, 4,000-square-foot carriage house. The mansion was 95 percent occupied at the time of sale. The seller was Pathfinder Partners. The transaction was executed by Tim Finholm of Unique Properties.