Abridged Version Local Law 152

Regular Gas Inspections NYC

A 2 to 4 hour gas test required every 5 years

When is the law in effect?


What is LL152?

A series of requirements for periodic gas inspections for buildings across New York City

Who does the law effect?

Building owners

Exception: buildings with single and two family dwellings with fewer than 20 occupants (Group R-3)

How often are these inspections required?

Once every 4 years

Exception: new buildings whose inspection is due in the tenth year after the earlier of the title of completion/ certification of occupancy, or completion of the project
*note: inspections cannot be performed more than 60 days prior to the inspection due date

When are the gas inspections due?

Depending on your community district
The due date cycles for the four groups of Community Districts are as follows:

Community Districts 1, 3, and 10 in all boroughs
January 1, 2020 – December 31, 2020

Community Districts 2, 5, 7, 13, and 18 in all boroughs
January 1, 2021 – December 31, 2021

Community Districts 4, 6, 8, 9, and 16 in all boroughs
January 1, 2022 – December 31, 2022

Community Districts 11, 12, 14, 15, and 17 in all boroughs
January 1, 2023 – December 31, 2023

What is being inspected?

All exposed gas piping in the building
(ex. point of entry, meters, public spaces, hallways, corridors, rooves, mechanical rooms)

This does not include gas piping in tenant spaces or apartments

What is it being inspected for?

Corrosion, deterioration, illegal installations, non code-compliant installations


The law states: Failure to file an Inspection Certification before the applicable due date may result in a civil penalty of $10,000.00.

How long do I have to make repairs?

120 days from the date of inspection

A 60 day extension can be requested

If gas service is interrupted, then repairs must be completed and certified prior to the re-establishment of gas service.

Does the inspection involve pressure testing of my gas piping?

No, the law does not require pressure testing. A Combustible Gas Indicator Device (gas sniffer) is utilized by the inspector to detect gas leaks.

What is the inspection filing process?

1 document outlining the inspection results that the Licensed Master Plumber submits to the building within 30 days of the inspection

1 document outlining the inspection results that the building submits to the DOB within 60 days of the due date of the inspection

*All reports must be saved for 8 years

LL152 inspections must occur within the calendar year outlined above for those applicable buildings.

  • This report will include the condition of the existing piping and any violations identified
  • If the Inspection Certification submitted to DOB indicates that conditions requiring correction were identified in the Gas Piping System Periodic Inspection Report submitted to the owner, the owner must submit to DOB, within 120 days of the inspection, an Inspection Certification signed and sealed by the LMP who conducted the inspection, stating that the conditions have been corrected.
  • If the Inspection Certification submitted to DOB indicated that additional time was needed to correct the condition(s) identified in the Inspection Report, the owner must submit, within 180 days of the inspection, an Inspection Certification signed and sealed by an LMP stating that all conditions have been corrected.
  • Correction of conditions identified in the Inspection Report must be performed in compliance with the NYC Construction Codes, including obtaining any required work permits.
  • All reports and certifications must be kept on file by the inspection entity (the LMP) and the building owner for 8 years.