Local Law 97 sets a hard limit on how much carbon your building can emit each year.
Go over that limit — and you pay fines.
Check if your building is impacted- Free
25,000 sq ft and above — includes residential, commercial, institutional. Thats about 75% of the city's built square footage.
Buildings projected to exceed 2030 limits - without upgrades
Per ton CO₂e over cap - every year. Recurring until compliant.
Estimated drop in property value for non compliant buildings
Browse vetted contractors, energy consultants, and retrofit specialists who work specifically with LL97-covered buildings in New York City.
List your retrofits, audits, HVAC upgrades, and decarbonization services in front of owners who need to act before 2030.

Intelligent building technology uses sensors, AI, and machine learning to predict and adapt to energy needs, and advanced water systems reduce consumption by more than 40%.

Originally built in 1899 was gut-renovated to full Passive House certification by Baxt Ingui, with three exposed walls — unusually difficult for a brownstone. The non-party walls achieved approximately R-20 insulation values.

6 stories, 352 apartments — consumes 60–70% less energy than any comparable building in NYC and simultaneously earned LEED Platinum, ENERGY STAR, and NYSERDA compliance.
Upgrade your building now, increase your property valuations and avoid fines by doing just what is best for your investment and community.
Service provider? Lets join forces. Get in touch by joining our waitlist.