Does Local Law 97 apply to my co-op or condo?

Generally yes if the building is over 25,000 gross square feet, the law's size cutoff, which covers many mid and large residential buildings. Smaller buildings mostly sit outside the main caps, though some face lighting and metering rules under a related provision. Check your building's size and your managing agent's filings.

Will I personally be fined?

No. The building is the covered party, not individual residents. In a co-op or condo, though, any penalty or retrofit cost is usually passed through to shareholders or unit owners as maintenance, common charges, or an assessment.

How large is the penalty?

It is roughly $268 per metric ton of carbon over the building's cap, per year, per the Department of Buildings. A building at or under its cap owes nothing, so the figure depends entirely on how far over the limit a building runs.

What is the cheapest first step?

Usually tuning what you already have: controls, steam balancing, leak sealing, and lighting, plus metering so usage is visible. These often cut both emissions and bills before any big capital project.

Where can I find my building's cap?

The Department of Buildings publishes the emissions limits by building type, and your managing agent or an energy consultant can calculate your specific cap and current emissions. The NYC Accelerator can help a board that is starting from scratch.

Lead story

Buildings · Analysis

The First Local Law 97 Penalties Come Due

The city's building emissions law has entered its enforcement years. Here is who owes, how the penalty math works, and what owners from the Upper West Side to Sunset Park are actually doing about it.

Filed: October 1, 2026
Section: Buildings
Read time: 6 minutes

I · How the caps and penalties work

The law sets an emissions limit for each building based on how it is used, so much carbon per square foot for offices, for housing, for hospitals, and so on. The first compliance period runs 2024 through 2029, and the caps tighten sharply for the 2030 through 2034 period. Reports covering the 2024 calendar year were first due around May 1, 2025, with filing extensions available into the late summer for buildings that asked.

When a building comes in over its cap, the penalty is roughly $268 per metric ton of carbon above the limit, each year, per the Department of Buildings. For a midsize Midtown office that overshoots, that can run into six figures annually; for a well run residential building already near its cap, it may be nothing. The department's rules also recognize a good faith effort, meaning an owner who can show a credible plan and real progress may avoid penalties in these first years rather than pay right away.

II · Who is actually in the first penalty cohort

Most covered buildings are expected to meet the first period caps without major work, because those caps were set to catch the worst performers first. The buildings at real risk tend to be older, energy hungry offices and some large prewar residential properties that still lean on steam heat and aging boilers. At last public estimate, a minority of covered buildings, on the order of ten to twenty percent, were projected to exceed the 2024 through 2029 limits, though the true count depends on how buildings actually reported.

The good faith effort provision matters here, and it is easy to misread. It does not erase the caps or the 2030 tightening. It gives owners who are genuinely moving, swapping equipment, filing decarbonization plans, enrolling in programs, a cushion from the first penalties while the work gets done. Owners who ignored the law and filed nothing sit in a different and worse position.

III · What owners are doing about it

Start with the cheapest moves, which are unglamorous: tuning controls, fixing steam traps, sealing the envelope, swapping lighting, and metering tenants so people see what they use. From there it climbs to heat pumps, better boilers, and in some towers a full shift off gas, which is harder in a dense prewar building with steam risers than in a new tower designed for it.

Money is the real constraint, and there are a few public channels. The NYC Accelerator, run by the city's climate office, offers free advising and help finding incentives. NYSERDA and Con Edison run rebate and Clean Heat programs for efficient equipment, and the city's Commercial PACE financing lets some owners borrow against the building for energy work and repay it on the property tax bill. Boards still face hard choices between a capital assessment now and a penalty later, and reasonable buildings are landing on both answers.

IV · Worth watching this month

1. Watch the Department of Buildings for updated Local Law 97 rules and guidance, which have shifted before and genuinely change what owners owe.

2. The next annual reporting deadline, again around May 1, is routine but worth marking if your building files.

3. NYC Accelerator advising and program cohorts open from time to time, a low stakes but useful check if your board has not engaged.

4. Con Edison and NYSERDA Clean Heat incentive terms can change year to year, so confirm current rebate levels before buying equipment.

5. Any new city guidance on how the tighter 2030 through 2034 caps will be measured matters more than first period noise.

Questions

Does Local Law 97 apply to my co-op or condo?

Generally yes if the building is over 25,000 gross square feet, the law's size cutoff, which covers many mid and large residential buildings. Smaller buildings mostly sit outside the main caps, though some face lighting and metering rules under a related provision. Check your building's size and your managing agent's filings.
Will I personally be fined?

No. The building is the covered party, not individual residents. In a co-op or condo, though, any penalty or retrofit cost is usually passed through to shareholders or unit owners as maintenance, common charges, or an assessment.
How large is the penalty?

It is roughly $268 per metric ton of carbon over the building's cap, per year, per the Department of Buildings. A building at or under its cap owes nothing, so the figure depends entirely on how far over the limit a building runs.
What is the cheapest first step?

Usually tuning what you already have: controls, steam balancing, leak sealing, and lighting, plus metering so usage is visible. These often cut both emissions and bills before any big capital project.
Where can I find my building's cap?

The Department of Buildings publishes the emissions limits by building type, and your managing agent or an energy consultant can calculate your specific cap and current emissions. The NYC Accelerator can help a board that is starting from scratch.

Sources

NYC Department of Buildings, Local Law 97, The city agency that enforces the law; the official source for thresholds, caps, deadlines, and penalty rules. · www.nyc.gov/site/buildings/codes/local-law-97.page
NYSERDA, State energy authority; rebates, Clean Heat incentives, and technical help for efficient equipment. · www.nyserda.ny.gov
NYC Mayor's Office of Climate and Environmental Justice, City climate office; citywide emissions targets and how buildings fit the larger plan. · www.nyc.gov/site/sustainability/index.page
NYC Accelerator, City run program offering free advising to building owners and help finding incentives. · accelerator.nyc
Con Edison energy efficiency programs, The utility serving most of the city; rebate and efficiency programs relevant to retrofits. · www.coned.com/en/save-money/rebates-incentives-tax-credits