Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John Jay La Valle, Practice Areas No known practice areas. is located in the city of Mount Sinai, the state of New York. Attorney legal address John Jay Lavalle, P.C.Po Box 612Mount Sinai, NY, 11766-0612. For more information, please call (516) 331-5800 Your comments* (not for publishing) * — Required information John Jay La Valle ← View details John Jay Lavalle, P.C.Po Box 612Mount Sinai, NY, 11766-0612, Mount Sinai, New York (516) 331-5800