NYC Gas Piping Inspections (Local Law 152)
At least every four years by a Licensed Master Plumber.
What the Program Requires
All buildings with gas piping except one and two family homes and other R-3 occupancies
At least once every four years, by Community District
A Licensed Master Plumber, or a qualified individual working for one
Inspection report to the owner within 30 days. Certification filed within 60 days.
The Details That Matter
A building with no gas piping can file a certification signed by a registered design professional or a Licensed Master Plumber. Missing the filing deadline may result in a $5,000 civil penalty for the owner.
Before You Take This Work
- Inspection and certification work can raise professional liability questions that a general liability policy may not answer. Ask your agent how your policies treat this work.
Official sources
Every fact on this page comes from these sources, read in October 2026. Laws change; read the current text before relying on it.
General information, not legal advice or a statement of coverage. Laws and local rules change; read the current text at the source links and confirm requirements with the building department. Whether a policy responds depends on its wording and the facts. Hardcover is an insurance agency, not a law firm.
Doing This Work? Let’s Check Your Coverage.
We check that your policy describes the inspection work you actually do, before a report is questioned.