NAHB Learning
2025 National Green Building Standard (NGBS) Update - January 28 @ 2:00 PM (ET)
Includes a Live Web Event on 01/28/2026 at 2:00 PM (EST)
-
You must log in to register
- All Users - Free!
This webinar explores the new 2025 National Green Building Standard (NGBS), the fifth edition of the nation's premier residential green building standard approved by ANSI. Featured speakers include Karla Butterfield of Steven Winter Associates, Greg Coolidge of Crescent Communities, and Cindy Wasser of Home Innovation Research Labs. The 2025 NGBS sets the benchmark for sustainable residential construction, renovation, and land development and applies to single-family, multifamily, mixed-use, and land development projects nationwide.
Registration now requires an NAHB login. Create your account at www.nahb.org/register or call the help desk at 202.266.8313 for assistance. Members and credential holders receive complimentary access to most presentations after logging in.
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
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
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.
CONNECT WITH NAHB