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In an unexpected move, the USGBC recently announced a full-year extension of LEED v4 / v4.1 commercial registrations, which will remain open until June 30, 2027. This will give teams increased flexibility in their approach to LEED certification with both v4 and v5 available to project teams.
What Your MSBA/Article 37/Article 22 Project Team Needs to Know
MSBA Green Schools: In May the MSBA released Project Advisory 100 with an update to the Green Schools Program. It allows projects to use either v4 or v5 to meet the LEED Silver certification requirement until v4 closes. It also adjusts the IAQ requirements to align with v5 credits. This policy update affects all new construction and major renovation/addition Core Program projects seeking Project Scope and Budget approval after January 1, 2026.
Boston Article 37 Green Buildings and Net Zero Carbon: Article 80 projects wishing to use the LEED v4 path to demonstrate Article 37 compliance can continue to do so by filing their initial application prior to June 30, 2027. After that date a project must use v5.
Cambridge Article 22 Green Building Requirements: In a departure from the others, Cambridge is an early adopter as required by zoning Section 22.23.2 (b). Projects that are using the LEED pathway to satisfy Article 22 that apply for special permit or file for a building permit if a special permit is not required after April 29, 2026, must use LEEDv5.
What Does This Mean More Broadly?
At TGE we view this moment as a strategic inflection point. At first glance, it may feel like permission to stay the course. But for organizations committed to sustainability it represents a chance to accelerate forward.
At its core, LEED has always been about leadership and raising the bar for what is a sustainable building. Choosing to pursue LEED v5, even with the v4 extension in place, sends a clear signal to the market and demonstrates a proactive commitment to next-gen sustainability and aligning with where the industry is headed – not where it has been.
If you are navigating the choice between LEED v4, LEED v5, or an alternative certification route, we encourage you to reach out. We are glad to talk through your options and help you move forward with confidence. We are offering complimentary one-hour educational sessions to help you better understand LEEDv5, what it means for your project, and how to plan your next steps.
Have questions? Do not hesitate to reach out to our team. We are happy to help you navigate the path forward.
