Local Law 152 Gas Inspections – Local Law 152 Inspection Cost, Safety, and Information is the place to go to learn about the new gas law and what all building owners must know. Here you can get updates and information about Local Law 152 Gas Inspections. All gas piping inspections must be completed by a New York City Licensed Master Plumber (LMP) or a qualified individual working under the direct supervision of an LMP at least once every four years. Within 30 days of each inspection, the LMP…See More