NYC Plumbing and Gas Rules: Local Law 152 Inspections and Gas Alarms
Who may do plumbing work in NYC, the Local Law 152 gas piping inspection schedule by community district, filing deadlines and the 2027 gas alarm deadline.
By Seayora Editorial Team · Published · Facts checked · 4 min read
Short answer: In New York City only a Licensed Master Plumber, or a licensed fire suppression contractor for that work, can get plumbing permits and work on piping. Under Local Law 152 of 2016, most buildings with gas piping must have it inspected every four years on a schedule set by community district, with the certification filed with the Department of Buildings within 60 days. Separately, natural gas alarms must be installed by January 1, 2027.
Key takeaways
- Plumbing and gas piping work must be done or supervised by a Licensed Master Plumber, who must have a place of business in the city.
- Local Law 152 inspections run on a four-year cycle by community district; districts 4, 6, 8, 9 and 16 are due in 2026 and 11, 12, 14, 15 and 17 in 2027.
- File the certification within 60 days of the inspection; failing to file by the due date can bring a $5,000 civil penalty.
- Natural gas alarms must be installed on or before January 1, 2027, under Local Law 102 of 2025.
Who may do plumbing work in NYC?
The NYC Plumbing Code governs installing, maintaining, repairing and altering waste, domestic water, gas piping and fire standpipes. Permits for plumbing and fire suppression work are issued only to a Licensed Master Plumber or a Licensed Master Fire Suppression Contractor, and only those licensees, or the employees they supervise, may work on piping systems. Licensed Master Plumbers must have a place of business in New York City, not a home office (NYC DOB: Plumbing Permits and Applications).
Ordinary maintenance and repair, including replacing plumbing fixtures, does not need a work permit, but it is still plumbing work for a licensed plumber; see when you need a DOB permit.
What is Local Law 152?
Local Law 152 of 2016, codified in Article 318 of Title 28, requires periodic inspection of the gas piping in buildings. The inspection covers all exposed gas lines from the point of entry into the building, including the building service meters, up to the individual tenant spaces (DOB: Local Law 152 FAQs). One- and two-family homes and other buildings in occupancy group R-3 are exempt, as are buildings with certain Department of Finance building classifications, and a building with no gas piping files a certification saying so (DOB: Gas Piping Inspection).
When is your building’s gas piping inspection due?
| Sub-cycle | Community districts | Cycle 2 | Cycle 3 |
|---|---|---|---|
| A | 1, 3, 10 | January 1 – December 31, 2024 | January 1 – December 31, 2028 |
| B | 2, 5, 7, 13, 18 | January 1 – December 31, 2025 | January 1 – December 31, 2029 |
| C | 4, 6, 8, 9, 16 | January 1 – December 31, 2026 | January 1 – December 31, 2030 |
| D | 11, 12, 14, 15, 17 | January 1 – December 31, 2027 | January 1 – December 31, 2031 |
The community district number is part of the building’s record and appears on the city’s property records. The same number is used in every borough, so Brooklyn Community District 4 and Queens Community District 4 are both in sub-cycle C.
What are the filing deadlines after the inspection?
- The plumber gives the owner the inspection report within 30 days of the inspection.
- The owner files the certification (GPS2) with the department within 60 days of the inspection.
- If conditions needed correcting, a correction certification is due within 120 days of the inspection, or within 180 days where additional time was needed.
- Failing to file the certification by the due date may result in a civil penalty of $5,000.
Local Law 142 of 2025, effective February 22, 2026, changed who may inspect. An individual working under the direct and continuing supervision of a Licensed Master Plumber must now hold a DOB Journeyman Plumber Registration and have completed a DOB-approved training program, and the law clarified the inspection scope and the gas leak detection instruments to be used (DOB service notice, April 3, 2026).
When must natural gas alarms be installed?
On or before January 1, 2027. Local Law 102 of 2025 set that date on the condition that the department identify at least four manufacturers of battery-powered alarms, and in June 2026 the department confirmed it had, so the deadline will not be extended beyond January 1, 2027 (DOB service notice, June 15, 2026). Alarms must be installed in accordance with Building Code section 908.13 and the department’s rules at 1 RCNY 908-02 and 3616-06, which govern the standards and where alarms go.
How do these fit with an owner’s other obligations?
Gas piping and gas alarms sit beside the city’s other periodic filings: facade, boiler, elevator and parapet inspections, which are covered in NYC building inspection deadlines, and the annual notices in the NYC landlord compliance calendar.
Frequently asked questions
How often is a Local Law 152 gas piping inspection required?
Every four years, in the year set for the building’s community district. Districts 4, 6, 8, 9 and 16 are due in 2026; 11, 12, 14, 15 and 17 in 2027.
Are one- and two-family homes subject to Local Law 152?
No. One- and two-family homes and other buildings classified in occupancy group R-3 are exempt.
What is the deadline for natural gas alarms in NYC?
January 1, 2027, under Local Law 102 of 2025. The Department of Buildings confirmed in June 2026 that it will not be extended further.
Sources
- Plumbing Permits and Applications, NYC Department of Buildings
- Local Law 152 FAQs, NYC Department of Buildings
- Gas Piping Inspection (Local Law 152 of 2016), NYC Department of Buildings
- Service Notice: Follow Up #7, Local Law 152 of 2016, changes made by Local Law 142 of 2025 (April 3, 2026), NYC Department of Buildings
- Service Notice: Deadline to Install Natural Gas Alarms is January 1, 2027 (June 15, 2026), NYC Department of Buildings
How Seayora helps
Safety records: Record each building’s inspections and certifications and get reminded before the next one is due.
This article is general information, not legal, architectural or engineering advice. Zoning, building, electrical and plumbing rules are amended by local law and agency rule and differ from one city, town and village to the next, so confirm the current requirements with the building department and a licensed professional before you start work.
How we write and check these guides: editorial standards.
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