6120 Northern Blvd. Muttontown, NY, 11732 Georgian Estate Designed And Built In 1922 By Noted Architect James W. O'connor For John F. Bermingham, A Coal Baron And Former Mayor Of Muttontown. This Gold Coast Manor Was Meticulously Restored In 2004 To Its Original Grandeur. Situated On Almost Eight Secluded Acres, This Estate Boasts A Heated Gunite Pool, 13 Car Grge, Prof Recording Studio, 2 Cottages & Home Theater