Local Law 97's timeline mandates that building owners begin emissions reduction efforts in 2024 and local law 97 continue to lower them by 2030, as part of the city’s climate action plan.
To meet these goals, owners are required to initiate energy efficiency enhancements, shift to clean energy options, and streamline building systems for optimal performance.
Owners experience a complex compliance landscape, with emission targets differing based on building type and occupancy patterns.
Achieving compliance requires major performance upgrades, precise reporting, and alignment with regulatory and sustainability partners including DOB and NYSERDA.
Henson Architecture: Bridging Heritage and Sustainability for Law 97 Compliance
With a blend of preservation expertise and innovative retrofit strategy, Henson Architecture is poised to support owners committed to achieving compliance.
Established in 2003, Henson Architecture combines its heritage preservation ethos with top-tier sustainable design to help buildings hit emission benchmarks while maintaining identity.
Transforming older buildings to satisfy the latest carbon emission criteria involves complex, specialized solutions.
These buildings often have outdated systems and historically significant features needing skillful upgrades to maintain original design.
Henson Architecture’s team understands these constraints and integrates specialized building envelope consulting NYC services, Passive House retrofits, and lifecycle embodied carbon assessments to develop holistic solutions for owners aiming to reduce greenhouse gas emissions while honoring the past.
Navigating Compliance: Energy Retrofits and Reporting
Energy is at the center of Local Law 97’s compliance framework.
Complying requires owners to consistently raise their buildings' energy efficiency in line with city mandates.
Their collaborative process includes energy audits, comprehensive facade revamps, and envelope solutions, all focused on cutting operational energy and emissions.
One of the critical compliance elements is detailed reporting.
The DOB demands yearly reporting on energy use and emissions, so owners must provide transparent compliance documentation.
Failure to comply can result not only in fines but in reputational and financial risk.
They streamline owner reporting systems and address every DOB requirement to help avoid risk.
By utilizing ongoing training and working with resources like NYSERDA’s NYC Accelerator, Henson Architecture prepares clients for regulatory change.
Accelerator and Green Programs: Expanding Compliance Solutions
The reach of Henson Architecture goes further: connecting owners to critical funding streams and sustainability networks.
NYSERDA drives clean energy adoption, offering tailored training, hands-on support, and incentives to ease the compliance process.
The NYC Accelerator and Urban Green Council, actively working with Henson Architecture, provide technical seminars, resource guides, and engagement opportunities to drive new ideas in emissions reduction.
Owners partnering with these programs enjoy quicker, smarter routes to compliance—which include energy efficiency gains and clean energy projects.
The firm serves as both advocate and guide for owners seeking greater value in emissions reduction investments.
How Great Design Helps Meet New Emissions Targets
Reaching compliance means thinking past equipment and toward building-wide design improvements that cut energy intensity and emissions.
The firm’s solution blends energy-focused retrofits and creative reuse plans to help buildings surpass the targets set by Local Law 97.
They routinely execute projects at the intersection of historic filings, facade compliance, and emissions performance.
Investing in high-performance upgrades—such as thermal envelope enhancements, ventilation system modernization, and passive house energy strategies—enables buildings to perform efficiently within the stringent emissions frameworks.
Their expertise in optimizing energy use, coupled with clean energy uptake, sets the stage for owners to lead on climate action.
When Henson Architecture leads from the start, the result is emission reductions that respect both building history and resident comfort.

Supporting Owners With Training and Resources
Owner education is a cornerstone of successful Local Law 97 compliance.
Henson Architecture provides practical training and knowledge-sharing sessions to owners and management on compliance essentials.
Their education initiatives teach practical steps for implementing clean energy, raising efficiency, and simplifying compliance.
Leading with knowledge and action prevents costly, last-minute compliance issues.
Owners depend on Henson Architecture’s experience to confidently pursue compliance with minimal operational disruption.
Why Immediate Action Matters for Owners under Law 97
NYC climate policy leaves no room for delay in reducing greenhouse gas emissions from building stock.
Buildings are responsible for nearly 70% of NYC’s emissions, making them a critical focus area.
Through Local Law 97, every building owner has a new, clear climate mandate in NYC.
Henson Architecture recognizes that most buildings cannot achieve these goals through isolated interventions.
A holistic solution—pairing preservation, retrofitting, and clean energy—is vital for true, long-term compliance.
Their approach supports owners in reaching compliance and securing lasting value through energy savings and building preservation.
Support & Funding: Making Law 97 Improvements Possible
Compliance investments can be substantial.
Fortunately, various NYSERDA and NYC Accelerator programs provide vital funding pathways that offset upfront costs for owners pursuing Local Law 97 upgrades.
Henson Architecture actively supports clients in securing funding by aligning project scopes with program eligibility, optimizing energy performance metrics, and facilitating training for building operations teams.
Moreover, these accelerator initiatives foster knowledge exchange and build capacity within NYC's property sector, enabling owners to leverage clean energy solutions such as solar, geothermal, and advanced energy management systems as part of their compliance strategy.
Your Pathway to Law 97 Success Starts With Henson Architecture
Local Law 97 is a transformative policy, requiring major buildings in NYC to lower GHG emissions and take on a central role in climate mitigation.
Building owners face considerable challenges to comply with this law 97 mandate while preserving value and navigating DOB reporting requirements.
Henson Architecture offers owners expert guidance grounded in craftsmanship, sustainable retrofit innovation, and a collaborative approach to climate compliance.
Their project portfolio in adaptive reuse, facade upgrades, and deep performance improvements allows owners to reach tough energy and emissions goals—cost-effectively and sustainably.
By partnering with NYSERDA, NYC Accelerator, and Urban Green, Henson Architecture ensures owners can access the tools, training, and funding necessary to thrive under these new regulatory conditions.
Preserve the past. Perform the future. If you value historic preservation while pursuing aggressive compliance goals, Henson Architecture is your trusted guide for the future.
Take the next step to compliance today with Henson Architecture—discuss your building’s potential and explore customized pathways to Local Law 97 compliance. Visit Henson Architecture or connect with us via LinkedIn, Facebook, and X for the latest insights on sustainable preservation and clean energy transformation.
Henson Architecture advances the field of preservation through a hands-on approach to craftsmanship and traditional building practices as demonstrated in our award-winning, nationally recognized projects. Henson Architecture 27 W 20th St #1201, New York, NY 10011 +12129952464