KATY, TEXAS — Houston-based Allied Realty Services, Ltd. has held the grand opening for The Retreat at Cinco Ranch, a 268-unit apartment community located within the Cinco Ranch master-planned community in Katy. The project broke ground in June 2007, and was developed by Allied in partnership with General Electric. Monthly rents at the community average $1,064, and individual units average 942 square feet. Occupancy is currently at 35 percent, and the community is leasing without concessions. The Retreat at Cinco Ranch is being managed by Orion Real Estate Services, a subsidiary of Allied. The project marks the developer’s 27th luxury apartment community.