Receive $1,000 off plus waived application and admin fees! Limited time offer and restrictions may apply. TwentyOne , 01 on Market features urban, loft style studio, one, two and two bedroom + study apartments with newly updated interiors and amenities. Centrally located in the Ballpark neighborhood of downtown Denver, between the Central Business District and RiNo. Only half of a mile to the Union Station RTD Light Rail and easy access to I-70 and I-25. Our community has a large variety of spacious floor plans and includes on-site conveniences such as a dry cleaner, liquor store, controlled-access parking garage and valet trash services.