RAD and Existing Property. The existing property, Xxxxxxxx Square, consists of 46 townhouse-style family units with no age restrictions. All 46 existing RAD units will be incorporated within the Family affordable building while keeping the current RAD rents stable. The current 46 units are all three- and four-bedroom units. The new construction RAD units will be a mix of studio, one-, two-, three-, and four-bedrooms.