A Stinson Beach resident for nearly three decades, Cristina di Grazia works from Golden Gate Sotheby's International Realty's office on Shoreline Highway. Her featured public sales include Seadrift oceanfront homes and lagoon homes with docks, along with homes on Belvedere Avenue. She knows the Coastal Commission and county building rules that shape what can be built near the beach. She co-founded Highway One Properties in town and has been in real estate since 1999.