When the government left the building in 1995 , Northland Management & Investment of Kansas City purchased it for $ 500,000 . The building remained vacant until it was sold in 2000 to Simbol Commercial Inc. of Dallas sold it for $ 2 million . Following the September 11 attacks , the building was renamed from 911 Walnut to ' '' 909 Walnut ' '' . Simbol was said to have spent $ 64 million to convert this building and the 929 Walnut Building into 159 apartments and of commercial office space and to construct a 323-car public garage . The rooftop of the garage also includes a award-winning garden
September 11 attacks
September 11 attacks
909 Walnut