NYC Building Compliance Deadlines 2027: Key Dates and Requirements
Keeping track of NYC building compliance deadlines is easier when they’re all in one place.
From FISP facade inspections and parking garage inspections (PIPS) to Local Law 97 emissions reporting, energy benchmarking, and annual safety requirements, NYC building owners, co-op and condo boards, and property managers may be subject to a range of compliance deadlines in 2027.
Below, you’ll find a breakdown of key 2027 inspection, reporting, and filing deadlines, including who they apply to, what’s required, and links to additional information.
For easy reference, you can also:
- Download RAND’s 2027 NYC Building Compliance Calendar & Checklist for a printable, one-page reference to the year’s major deadlines.
- Subscribe to our NYC Compliance Google Calendar to keep important dates accessible and set reminders for upcoming deadlines.
2027 NYC Building Compliance Deadlines at a Glance
| Requirement | Deadline | Who It Affects |
|---|---|---|
| Steam Radiator Notices (LL151) | Jan. 1–16, 2027 | Multiple dwellings (3+ units) with steam heating systems |
| Natural Gas Alarms (LL102) | Jan. 1, 2027 | Multiple dwellings and non-owner-occupied one- and two-family homes with gas piping |
| Drinking Water Tank Reports | Jan. 15, 2027 | Buildings using tanks to store or pressurize drinking water |
| FISP Sub-Cycle 10A | Feb. 21, 2027 | Buildings taller than six stories; tax blocks ending in 4, 5, 6, or 9 |
| FISP Sub-Cycle 10C Opens | Feb. 21, 2027 | Buildings taller than six stories; tax blocks ending in 1, 2, or 3 |
| LL97 Carbon Emissions Reporting | May 1, 2027 (grace period and extension requests through June 30; extended filing Aug. 29) | Most buildings over 25,000 SF and qualifying building groups over 50,000 SF; exceptions and alternative compliance pathways apply |
| LL84 Energy Benchmarking | May 1, 2027 | Buildings over 25,000 SF and qualifying building groups over 100,000 SF |
| Lead Paint Remediation (LL123) | July 1, 2027 | Certain apartments in pre-1960 multiple dwellings where a child under six resided as of Jan. 1, 2025 |
| Cooling Tower Summer Hyperhalogenation | July 1–Aug. 31, 2027 | Buildings with operating cooling tower systems |
| Energy Efficiency Rating Labels (LL33/95) | Oct. 31, 2027 | LL84-covered buildings required to post annual energy grades |
| Cooling Tower Annual Certification (NYS) | Nov. 1, 2027 | Owners of cooling towers subject to NYS regulations |
| PIPS Sub-Cycle 1C (LL126) | Dec. 31, 2027 | Covered parking structures in the Bronx, Queens, and Staten Island |
| PIPS Annual Checklist Observations | Dec. 31, 2027 | Parking structures with previously accepted PIPS reports, as applicable |
| Annual Boiler Inspections | Dec. 31, 2027 | Buildings with DOB-regulated high-pressure or non-exempt low-pressure boilers |
| Annual Elevator Inspections | Dec. 31, 2027 | Buildings with elevators subject to periodic inspections and Category 1 tests |
| Annual Parapet Observations | Dec. 31, 2027 | Buildings with parapets fronting a public right-of-way, subject to limited exemptions |
| LL152 Gas Piping Inspections | Dec. 31, 2027 | Buildings subject to LL152 in Community Districts 11, 12, 14, 15, and 17 |
| LL37 Retaining Wall Inspections | Dec. 31, 2027 | Queens properties with retaining walls at least 10 feet high at any point facing a public right-of-way |
| LL87 Energy Audits & Retro-Commissioning | Dec. 31, 2027 | Buildings over 50,000 SF and qualifying building groups over 100,000 SF; tax blocks ending in 7 |
Compliance requirements vary by property, and deadlines are subject to change. Confirm applicable requirements and filing dates with the relevant agencies.
Key NYC Building Compliance Dates for 2027
January 1–16, 2027
Steam Radiators / Local Law 151 of 2025
Beginning in 2027, owners of multiple dwellings with three or more units and steam heating systems must distribute annual tenant notices between January 1 and 16. Tenant responses are due February 15, with HPD notifications required by March 1 in certain circumstances. The law also requires inspections at least every two years in applicable apartments and common areas.
Review HPD’s Steam Radiator Requirements.
January 1, 2027
Natural Gas Alarms / Local Law 102 of 2025
Covered residential properties must install approved natural gas detecting devices by January 1, 2027, unless the City extends the deadline. Owners should verify the applicable installation and notification requirements.
Review HPD’s Natural Gas Detector Requirements.
January 15, 2027
Drinking Water Tank Inspections
Buildings with drinking water storage tanks must submit their 2026 annual inspection and water quality sampling reports to the NYC Department of Health and Mental Hygiene by January 15.
Review Drinking Water Tank Requirements.
February 21, 2027
Facade Inspection Safety Program (FISP): Cycle 10A Filing Deadline
The Cycle 10A filing deadline is February 21, 2027, for buildings taller than six stories on tax blocks ending in 4, 5, 6, and 9.
Under FISP, covered buildings must undergo facade inspections and file condition assessment reports every five years under the direction of a Qualified Exterior Wall Inspector (QEWI).
Learn More About FISP Requirements and Inspections.
Facade Inspection Safety Program (FISP): Cycle 10C Filing Window Opens
The Cycle 10C filing window opens February 21, 2027, for buildings taller than six stories on tax blocks ending in 1, 2, and 3. The filing deadline is February 21, 2029.
Owners should begin planning inspections and evaluating potential repair needs well before the deadline.
Learn More About FISP Requirements and Inspections.
May 1, 2027
Local Law 97: Annual Carbon Emissions Reporting
Buildings subject to annual reporting under Local Law 97 must submit greenhouse gas emissions reports for calendar year 2026 by May 1, 2027, certified by a Registered Design Professional.
The 2027 deadline also marks the first annual reporting requirement for certain buildings with rent-regulated units that became subject to emissions limits in 2026.
A 60-day grace period runs through June 30, when extension requests are also due. Approved extensions allow filing through August 29.
Read RAND’s Local Law 97 Compliance Guide.
Local Law 84: Energy Benchmarking
Covered buildings generally exceeding 25,000 gross square feet must submit annual energy and water consumption data for calendar year 2026 through EPA ENERGY STAR Portfolio Manager.
Read RAND’s Local Law 84 Benchmarking Guide.
June 30, 2027
Local Law 97: Reporting Grace Period and Extension Requests
The standard 60-day reporting grace period ends June 30. Building owners needing additional time must request an extension through DOB’s reporting system by this date, subject to applicable requirements.
Read RAND’s Local Law 97 Compliance Guide.
July 1, 2027
Lead-Based Paint / Local Law 123 of 2023
Owners of covered pre-1960 multiple dwellings must complete required lead-based paint remediation in apartments where a child under six resided as of January 1, 2025. Different deadlines apply to children who move in after that date, and earlier requirements may apply upon apartment turnover.
Read RAND’s NYC Lead Paint Compliance Guide.
July 1–August 31, 2027
Cooling Towers: Summer Hyperhalogenation
Operating cooling tower systems must undergo summertime hyperhalogenation between July 1 and August 31. Follow-up Legionella testing is required 3 to 31 days after treatment, and a declaration must be submitted within 30 days of treatment.
Review NYC Cooling Tower Requirements.
August 29, 2027
Local Law 97: Extended Reporting Deadline
This is the standard extended reporting date for owners who obtain an applicable extension. Confirm the final 2027 filing date and instructions with DOB.
Read RAND’s Local Law 97 Compliance Guide.
October 31, 2027
Building Energy Efficiency Rating Labels / Local Laws 33 and 95
Buildings subject to energy grade posting requirements must display their annual Building Energy Efficiency Rating labels near each public entrance. Labels are available through DOB NOW beginning October 1 and must be posted by October 31.
Learn More About Energy Efficiency Rating Requirements.
November 1, 2027
Cooling Towers: New York State Annual Certification
Under New York State regulations, owners of registered cooling towers must obtain annual certification by November 1 and record the certification date in the NYS Cooling Tower Registry.
Separately, NYC now requires biannual cooling tower certifications in January and July under a law effective November 3, 2026. Owners should confirm filing procedures and specific deadlines with the NYC Health Department.
Review NYC Cooling Tower Requirements | Review NYS Cooling Tower Requirements
December 31, 2027
Parking Structures / PIPS Sub-Cycle 1C
Covered parking structures in the Bronx, Queens, and Staten Island must complete their Cycle 1C inspections and file condition assessment reports by December 31. Inspections must be conducted under the direction of a Qualified Parking Structure Inspector (QPSI).
Learn More About PIPS and Local Law 126.
Annual Parking Structure Checklist Observations / PIPS
Parking structures with previously accepted PIPS reports must complete annual checklist observations in subsequent years, as applicable. Observations must be performed by a QPSI. Completed checklists are retained on site and are not routinely filed with DOB.
Review PIPS Annual Observation Requirements.
Annual Boiler Inspections
Boilers subject to DOB inspection must undergo their required annual inspections by December 31. Inspection reports must be submitted within 14 calendar days of the inspection.
Review Annual Boiler Inspection Requirements \ Read RAND’s Boiler Maintenance Checklist
Annual Elevator Inspections
Covered elevators must complete their annual periodic inspections and Category 1 safety tests by December 31. Separate reporting deadlines apply based on the inspection or test date.
Review Annual Elevator Inspection Requirements.
Annual Parapet Observations
Buildings with parapets fronting a public right-of-way generally require annual observations regardless of building height, subject to applicable exceptions. Observation reports must be completed by December 31 and retained for at least six years.
Read RAND’s Annual Parapet Inspection Guide.
Gas Piping Inspections / Local Law 152
The 2027 inspection deadline applies to covered buildings in Community Districts 11, 12, 14, 15, and 17 across all boroughs. Required gas piping inspections must be performed by a Licensed Master Plumber or qualified individual working under an LMP, with applicable certifications filed with DOB.
Read RAND’s Local Law 152 Compliance Guide.
Retaining Wall Inspections / Local Law 37
Covered retaining walls in Queens must undergo their five-year inspections and file condition assessment reports by December 31. The requirement applies to walls facing a public right-of-way that are at least 10 feet high at any point. Inspections must be performed by a Qualified Retaining Wall Inspector (QRWI).
Read RAND’s Local Law 37 Retaining Wall Inspection Guide.
Energy Audits and Retro-Commissioning / Local Law 87
Covered buildings on tax blocks ending in 7 must submit their Energy Efficiency Reports (EERs) by December 31.
Local Law 87 generally applies to individual buildings exceeding 50,000 gross square feet and certain groups of buildings exceeding 100,000 gross square feet. The law requires energy audits and retro-commissioning every ten years to evaluate energy consumption and building system performance.
Read RAND’s Local Law 87 Compliance Guide.
Keep Track of Your Building’s Compliance Deadlines
Download RAND’s 2027 NYC Building Compliance Calendar for a printable checklist of key requirements, or subscribe to our NYC Compliance Google Calendar.
How RAND Can Help
RAND Engineering & Architecture, DPC assists NYC building owners, co-op and condo boards, and property managers with building inspections, regulatory compliance, engineering evaluations, and repair and rehabilitation projects. Our multidisciplinary team provides facade and parking structure inspections, structural and building systems assessments, energy compliance services, repair design, and construction administration.
Have questions about your building’s upcoming deadlines or repair needs? Contact RAND at 212-675-8844 or info@randpc.com to discuss your property’s requirements.