Covered Buildings
Most NYC buildings with gas piping are covered. Occupancy Group R-3 buildings are generally exempt.
Local Law 152
CBB Plumbing provides periodic gas-piping inspections, reporting, licensed correction work, and compliance coordination for New York City building owners and managers.
Periodic inspections apply to buildings with gas piping, except one- and two-family homes and other buildings classified in Occupancy Group R-3.
Official NYC DOB schedule →The requirement at a glance
Local Law 152 generally requires periodic inspection of exposed gas piping in covered NYC buildings once every four years.
Most NYC buildings with gas piping are covered. Occupancy Group R-3 buildings are generally exempt.
The visual inspection covers exposed gas piping in required non-tenant areas.
The work must be performed by a NYC Licensed Master Plumber or a qualified individual under the LMP’s supervision.
The filing year is based on the building’s Community District.
Official property search
Use the property lookup to check the inspection schedule for your NYC building. Confirm deadlines and filing requirements with NYC DOB.
Read Official DOB Guidance →| Subcycle | Community Districts | Cycle 2 | Cycle 3 |
|---|---|---|---|
| A | 1, 3, 10 | 2024 | 2028 |
| B | 2, 5, 7, 13, 18 | 2025 | 2029 |
| C | 4, 6, 8, 9, 16 | 2026 | 2030 |
| D | 11, 12, 14, 15, 17 | 2027 | 2031 |
CBB compliance workflow
Identify the property, district, filing year, access needs, and existing records.
Complete the required visual inspection and combustible-gas detection work.
Coordinate licensed correction work and required follow-up when needed.
Organize certification information and the building’s compliance file.
Direct official links
Requirements, schedules, and filing instructions.
Open official resource →DOB NOWOfficial LL152 Address SearchSearch an individual property under LL152 Gas Piping System Compliance in Additional Tools.
Open official resource →NYC DOBLocal Law 152 FAQsOfficial answers about scope, timing, and filings.
Open official resource →Official FormGPS1 Inspection ReportOfficial periodic inspection report.
Open PDF →Official FormGPS2 CertificationOfficial periodic inspection certification.
Open PDF →