All inspectors are available in office 7:00AM to 9:00AM, Monday to Friday. Office hours are 9:00AM to 4:00PM staffed with clerical personnel for arranging inspections and questions.LIPA "AUTHORIZATION TO INSTALL" issued. Emergency Services Available Office - Nassau 516-794-0400 Suffolk 631-650-0200 Phones answered 24/7. Credit Cards Accepted 24 Hour Fax 516-794-5854 Same Day Service - Saturday Inspections (At additional costs). All inspectors are email and cell phone available.