John L Sinkovich is 66 years old. John lives in West Palm Beach, Florida. John has also lived in Loxahatchee, Florida; Antioch, Tennessee and Nashville, Tennessee. John has worked for Coldwell Banker and Real Estate Agent. Cynthia L Sinkovich, Cynthia H Sinkovich, Gregory P Sinkovich and Lara Ann Sinkovich are some of John relatives.