Local law 152
Local Law 152 (LL152) – Gas Piping System Safety Inspections
Local Law 152 of 2016 requires the periodic inspection of gas piping systems in New York City buildings to help prevent hazardous conditions and ensure public safety.

Who Must Comply?
- All buildings except those classified in Occupancy Group R-3 (i.e., most single- and two-family homes)
- Applies to buildings with or without active gas service
Inspection Frequency
- Every 4 years, on a rotating schedule based on NYC community districts
- Initial inspections began January 1, 2020, and continue in 4-year cycles
- Check your building’s community district to determine your next due date
Who Can Perform Inspections?
- A Licensed Master Plumber (LMP)
- Or a qualified individual under the direct and continuous supervision of an LMP with proper training and experience
Reporting Requirements
- Within 30 days: LMP must provide a Gas Piping System Periodic Inspection Report (GPS1) to the building owner
- Within 60 days: Owner must submit a Gas Piping Inspection Certification (GPS2) to NYC DOB
- If repairs are required:
- Within 120 days: Certification that issues are corrected (or request more time)
- Within 180 days: Final certification confirming all conditions have been corrected
- If the building does not have gas piping, a registered design professional must submit a certification every 4 years confirming this
Hazardous Conditions
If a gas leak or hazardous condition is found:
- The LMP must immediately notify:
- The building owner
- The gas utility
- The NYC Department of Buildings (DOB)
- The owner must take immediate corrective action and comply with all applicable codes and permitting requirements
Penalties
- Failure to submit inspection certifications can result in civil penalties:
- $5,000 for most buildings
- $1,500 for 3-family homes
- Owners must keep all inspection records for 10 years
FAQs
What is Local Law 152, and which buildings are covered?
Local Law 152 (LL152) requires periodic gas piping inspections for buildings in specific NYC community districts, excluding R-3 occupancies.
What is the purpose of LL152 inspections?
Inspections ensure gas piping systems are safe, preventing leaks and hazards that could endanger occupants or the public.
When are LL152 inspections due?
Deadlines vary by community district (e.g., Districts 2, 5, 7, 13, 18 by December 31, 2025), with certifications filed with the DOB.
Who can perform LL152 inspections?
Inspections must be conducted by licensed master plumbers or qualified professionals with DOB-approved certifications.
What are the penalties for LL152 non-compliance?
Annual fines of up to $10,000 are imposed for failure to submit inspection certifications.
What does an LL152 inspection entail?
It includes visual inspections, pressure testing, and verification of compliance with NYC Fuel Gas Code standards.
How often are LL152 inspections required?
Inspections are required every four years, with deadlines based on community district schedules.
What documentation is needed for LL152 compliance?
Owners must submit a Gas Piping System Periodic Inspection Certification signed by the inspector to the DOB.
Can LL152 inspections uncover other compliance issues?
Yes, inspections may identify related issues, such as backflow prevention device compliance, requiring additional corrective actions.
How can owners prepare for LL152 inspections?
Schedule inspections early, maintain gas system records, and address any identified repairs promptly to avoid penalties.
Contact
info@chaptergreencompliance.com
Phone
516-865-4550

