NAHB and ICC Release 2025 Edition of National Green Building Standard®
NAHB and the International Code Council (ICC) proudly announce the release of the ICC 700-2025 National Green Building Standard® (NGBS)—the fifth edition of the nation’s premier residential green building standard. Approved by the American National Standards Institute (ANSI), the 2025 NGBS continues to define the benchmark for sustainable residential construction, renovation and land development across the United States.
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Overview of Sustainability and Green Building
High performance building incorporates sustainable construction techniques, green building materials, and designs to minimize a home's impact on the environment.
Green Building Tools and Research
From videos to expert Q&As to checklists and toolkits, NAHB offers myriad resources to help educate and prepare builders for success in green building.
Green Certifications
A number of green building programs exist to certify the level of home’s performance. Learn more about these programs, including the National Green Building Standard.
