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NYC Gas Line Testing (LL152)

Local Law 152 gas piping inspections for all buildings with gas service. Licensed plumber inspections, leak detection, and DOB compliance filing.

NYC Gas Piping Inspection Requirements

Local Law 152 of 2016 requires periodic inspection of gas piping systems in all buildings in New York City. The law was enacted following several tragic gas explosions and aims to identify potentially hazardous conditions before they become dangerous.

Insparisk coordinates comprehensive LL152 gas piping inspections through our network of licensed master plumbers, ensuring your building meets all DOB requirements and maintains safe gas infrastructure.

Local Law 152: Gas Piping Inspection Requirements

All buildings with gas piping must have their exposed gas piping inspected by a Licensed Master Plumber (LMP) or individuals working under an LMP's direct supervision. Inspection results must be filed with the DOB.

Inspection Cycle: Every 4 Years

Building Types & Deadlines

All Occupied Buildings

Any building in NYC that has gas service—residential, commercial, mixed-use, or institutional—must comply with LL152 inspection requirements.

Deadline based on Community District

Filing Requirements

GPS1 form (Gas Piping Periodic Inspection Certification) must be filed with DOB within 60 days of inspection completion.

File GPS1 within 60 days

What We Inspect Under LL152

Inspection Outcomes

Satisfactory Condition

Gas piping system meets all code requirements with no defects or hazardous conditions observed. GPS1 certification filed as satisfactory.

Conditions Requiring Correction

Deficiencies identified that require repair. Non-hazardous conditions must be corrected within 120 days. Hazardous conditions require immediate action.

Our LL152 Services

Insparisk provides end-to-end LL152 compliance support:

Schedule Your LL152 Gas Inspection

Don't wait for violations. Ensure your building's gas piping is inspected and certified.

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