2025 National Green Building Standard (NGBS) Update - REPLAY

Listen to the webinar replay of this session, which explored the new 2025 National Green Building Standard (NGBS), the fifth edition of the nation’s premier residential green building standard. Featured speakers included Karla Butterfield of Steven Winter Associates, Greg Coolidge of Crescent Communities, and Cindy Wasser of Home Innovation Research Labs. The 2025 NGBS set the benchmark for sustainable residential construction, renovation, and land development and applied to single-family, multifamily, mixed-use, and land development projects nationwide.

Registration required an NAHB login. Participants created an account at www.nahb.org/register or called the help desk at 202.266.8313 for assistance. Members and credential holders received complimentary access to most presentations after logging in.


Karla Butterfield

Karla Butterfield

Sustainability Director

Steven Winter Associates, Inc.

Ms. Butterfield is a Sustainability Director at Steven Winter Associates, Inc., working with residential buildings. Her expertise is in sustainable consulting services, program certification support and implementation of high-performance building technologies. With architects, developers, builders, and homeowners, she develops specific sustainability strategies for both new construction and renovations.

Greg Coolidge

Greg Coolidge

Director of Design Coordination

Crescent Communities

Greg has been with Crescent Communities since 2015. He manages Crescent’s projects (Multifamily and Commercial) through the design process and into the start of construction. Prior to joining Crescent in 2015, Greg spent 20 years working in the Architecture industry. He brings a unique blend of design experience and knowledge of the building process to help coordinate the design of Crescent’s projects. Crescent Communities is a nationally recognized, market-leading real estate investor, developer, and operator of mixed-use “communities”. We create high-quality, differentiated multifamily and commercial communities in many of the fastest growing markets in the United States. Since 1963, our development portfolio has included more than 85 multifamily communities and 24 million square feet of commercial space. Crescent Communities has offices in Charlotte, DC, Atlanta, Orlando, Nashville, Dallas, Denver, Phoenix, and Salt Lake City. Our multifamily communities are branded NOVEL, RENDER and HARMON by Crescent Communities, our industrial developments are branded AXIAL by Crescent Communities, and our life science developments are branded THE YIELD by Crescent.

Cindy Wasser

Cindy Wasser

Senior Manager of Green Building Programs

Home Innovation Research Labs

Cindy Wasser is the Senior Manager of Green Building Programs at Home Innovation Research Labs. In this role, she leads technical oversight, quality assurance, advocacy, and product certification activities of the NGBS Green Certification program.

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Webinar: 2025 National Green Building Standard (NGBS) Update - REPLAY
Select the "View On-Demand Recording" button to begin.  |  60 minutes
Select the "View On-Demand Recording" button to begin.  |  60 minutes
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1.00 Continuing Education credit  |  Certificate available
1.00 Continuing Education credit  |  Certificate available