OVERLAND PARK, KAN. — Block & Co. Inc Realtors has brokered the sale of a 12.8-acre site on the southwest corner of 135th Street and Antioch Road in Overland Park. David Block and Mark McConahay of Block & Co. represented the undisclosed seller. The buyer plans to develop an apartment complex on the site. Construction is expected to begin immediately, with completion slated for 2024. Block & Co. will market the remaining 4.2 acres of land that runs along the north edge of the property along 135th Street. Four pad sites have been proposed with ground lease or build-to-suit options available.