Richard T. Mohring Sr., of Marco Island, FL, formerly of Locust Valley, died on Oct. 4, 2009. He is survived by Rita. Father of Richard Jr. (Deborah), John (Trisha), Ellen (Robert), Kathy and Robert (Laura). Grandfather of Melissa Mulvey (James), John Jr., Timothy, Meghan, Logan, Jennifer, Avery and Robert Jr. He was an accomplished builder/developer on Long Island and in Florida and a great lover of sports, especially his beloved NY Yankees. Arrangements were made by the Oyster Bay Funeral Home. Funeral Mass at St. Gertrude RC Church. Interment Locust Valley Cemetery.