About The Blairs Silver Spring, MD The Blairs is located at the intersection of Blair Mill Road and Eastern Avenue in Silver Spring. This multi-use complex spreads across 30.37 acres and consists of 2,800 apartment units, 90,977 square feet of retail, 203,045 square feet of office space, and 30,978 square feet of restaurants. Additionally, the property includes walking paths and green space replacing older buildings and surface parking lots and introduces a new street grid to the neighborhood.