RE/MAX Landmark 15 Depot Sq, Lexington, MA02420 RE/MAX Landmark offices are located in the former train depot building off Mass Avenue in Lexington Center. RE/MAX has…More been at this location since 1993. It is a full-service real estate agency, with top quality agents. The company services clients looking for property in Lexington and surrounding communities. RE/MAX Landmark supports the local community including participating in various local events. Events include the annual Holiday Candle Lighting, Patriots Day events and Halloween Walk.