Local Law 97's first real test went better than many owners expected. Based on 2024 benchmarking data, fewer than 10% of covered properties exceeded their emissions caps for the current 2024-2029 compliance period, according to NYC Accelerator, the city's official building decarbonization program. The harder test is still ahead. That same data shows roughly 57% of covered buildings are on track to exceed the far stricter limits that take effect in 2030 — a gap that's worth acting on now rather than waiting to feel it in penalty bills a few years out.

Why the Easy Period Is Ending

The 2024-2029 caps were set at a level most buildings could meet with modest operational changes, which explains the strong early compliance rate. That changes substantially in 2030, when limits tighten by roughly 50% across most building types while the emissions coefficients used to calculate compliance stay the same. Urban Green Council's analysis of current benchmarking data puts the share of properties currently emitting above their 2030 cap at 57%, meaning the majority of covered buildings will need real capital investment, not just operational tweaks, to avoid penalties once the next compliance period begins.

What Missing the Cap Actually Costs

Buildings that exceed their assigned cap face an annual penalty of $268 per metric ton of CO2 equivalent over the limit, assessed every year the building remains out of compliance. Because the 2030 caps are so much tighter, the penalty exposure for a building that's barely compliant today can multiply dramatically once the new limits kick in — a building paying a modest annual fine under the current caps could see that number rise by an order of magnitude under 2030 limits if no retrofit work happens in the meantime. For multifamily buildings specifically, Urban Green Council's research points to heating and hot water systems as the primary driver of excess emissions, making electrification of those systems the highest-impact lever most owners have available.

What Owners Should Do Now

The math on timing matters here. A full retrofit path — energy assessment, financing and incentive approval, design, permitting, construction, and verification — typically runs somewhere in the range of a year and a half to over three years depending on building complexity. Owners who wait until 2029 to start planning are cutting it close to the 2030 deadline with little room for delays. Several financing tools can help offset the upfront capital cost, including NYC's Commercial Property Assessed Clean Energy program, the J-51R tax abatement, and federal tax credits tied to qualifying energy improvements, alongside free advisory services available directly through NYC Accelerator.

For owners who haven't yet had a professional energy assessment done against the 2030 caps specifically, rather than just the current 2024-2029 limits, that's the logical starting point. Knowing where a building actually stands against the tighter future threshold, rather than the cap it's already clearing, is what turns this from an abstract 2030 problem into an actionable capital planning item today.

Dover Property Group helps owners understand where their buildings stand on Local Law 97 compliance and how to sequence capital planning ahead of the 2030 deadline. If you haven't assessed your building against the 2030 caps yet, reach out to our team to talk through next steps.

Sources: NYC Accelerator · Urban Green Council

About the Author
Dover Property Group is a New York City property management firm working with building owners and tenants across all five boroughs. Our team tracks market conditions, compliance requirements, and neighborhood-level trends to help owners protect their assets and tenants navigate one of the most complex rental markets in the country.

‍