Local Law 97 Reporting: What Comes Next for Your Building?

Local Law 97 is now an annual requirement for many New York City buildings. But filing the report is only one part of the process. For many owners and managers, the larger question is how the reported data should inform next steps for the building. 

For many properties, the question is: 

“What should our building actually be doing about LL97?”

For the 2026 filing year, LL97 reports were due May 1, with an automatic grace period through June 30. Owners that need additional time may request an extension in BEAM by June 30, which may extend the reporting deadline to August 29, 2026.

Whether a building is filing now, requesting an extension, or looking beyond this reporting cycle, the annual report should be viewed in the context of the building’s larger compliance strategy.

What Many Buildings Still Need to Clarify

For many properties, the uncertainty is not limited to the report itself. The next step is often still unclear: what applies to the building, whether operational changes are enough, which improvements may be needed, and how LL97 fits into longer-term capital planning. With the next LL97 compliance period beginning in 2030, those questions are becoming more time-sensitive for properties that may need larger upgrades. 

Accurate reporting data is also important. Energy usage is only one part of the LL97 calculation. Occupancy classification, gross floor area, and Portfolio Manager setup can affect reported emissions, compliance status, and potential penalties. If those inputs are inaccurate or inconsistent year over year, the building may be evaluating its options based on incomplete information. 

In many cases, buildings have completed benchmarking for years but still have not fully evaluated how their mechanical systems, envelope conditions, operating patterns, and future capital projects affect their LL97 options.

What the Filing Does Not Answer

The filing is an important requirement, but it is only one part of the LL97 process. It does not, by itself, answer what the building should do next. 

For some buildings, compliance may be achievable through operational improvements, benchmarking corrections, control strategies, or relatively modest upgrades.

For others, especially older multifamily and mixed-use properties, LL97 may point toward larger system modernization projects involving heating plants, domestic hot water systems, electrification planning, ventilation upgrades, insulation improvements, or building envelope work.

For many properties, the reporting process is bringing building system questions to the surface, including aging equipment, utility usage, envelope performance, deferred maintenance, and future capital work.

Why There Is No Standard Compliance Pathway

There is no useful one-size-fits-all answer.

Every building has a different combination of:

• Existing mechanical systems
• Occupancy patterns
• Fuel sources
• Envelope performance
• Capital reserve constraints
• Ongoing repair needs
• Ownership goals
• Future replacement timelines

These variables affect not only the emissions calculation, but also the practicality, cost, timing, and prioritization of any compliance work.

Building Systems, Capital Planning, and LL97 Are Connected

A planned boiler replacement may affect future electrification options. A facade or roof replacement project may create opportunities to improve thermal performance. Deferred ventilation or controls upgrades may continue driving avoidable energy usage and operating costs.

In some cases, owners are finding that projects already under consideration for resident comfort or infrastructure reasons may also contribute to emissions reductions.

Looking Ahead to the Next LL97 Compliance Period  

Covered properties also need to look ahead to the next LL97 compliance period beginning in 2030, when emissions limits become more restrictive.

For buildings that may need larger upgrades, decisions made in the next few years can affect what is practical before the next set of limits takes effect. Heating plant upgrades, domestic hot water improvements, electrification planning, envelope work, and controls upgrades all require coordination with budgets, existing repair priorities, design work, procurement, and construction timing.

Some of these steps can take years to complete. Electrification projects may require coordination with Con Edison and can be affected by utility service capacity, infrastructure requirements, and approval timelines. Envelope improvements may be more practical when coordinated with facade, roof, or FISP-cycle work. Reserve studies, funding discussions, and board or ownership approvals can also take time before design and construction can begin.

For that reason, the 2030 compliance period is not as distant as it may appear. For properties that are likely to need larger system or envelope improvements, waiting until the next set of limits is closer can reduce the number of practical options available and make it harder to coordinate the work with planned capital projects.

What Owners and Managers Should Be Evaluating Now

The current reporting cycle should also be viewed as an opportunity to better understand:

• Where the building currently stands
• Whether occupancy classification, floor area, utility data, and Portfolio Manager setup are accurate
• Which systems are contributing most significantly to emissions
• Which improvements may provide the greatest impact
• Whether larger upgrades should begin moving forward now to be feasible before the 2030 compliance period 
• How potential LL97 work fits with reserve studies, capital planning, FISP cycles, and existing repair priorities

Why RAND

RAND prepares annual benchmarking filings and supports LL97 reporting and compliance planning for building owners, boards, and property managers throughout New York City.

• Energy and MEP expertise for reviewing building systems, utility data, occupancy classifications, floor area assumptions, emissions performance, and practical next steps
• In-house architectural, structural, and building envelope teams to connect LL97 planning with capital improvements, repairs, modernization work, and FISP-cycle considerations
• Experience with related NYC energy requirements, including LL84 benchmarking, LL87 energy audits and retro-commissioning, and LL88 lighting and submetering

Where LL97 overlaps with planned repairs, aging systems, or capital reserve decisions, evaluating options early can give owners more flexibility. Waiting until penalties, equipment failure, or future limits force action can narrow the available choices.

Need a clear plan for this year’s energy filings and next steps? Contact RAND’s Energy Services Team at info@randpc.com or 212-675-8844.