NGBS Certification Vaults Past 150,000-Home Mark

green certification growthThe National Green Building Standard (NGBS) Certification Program has reached an important milestone with the certification of the 150,000th home to meet its requirements – and there are an additional 120,000 projects in the pipeline.

The program is on track to issue more certifications in 2018 than in any year since its introduction in 2009.

“We are thrilled to see that more and more builders are going through the NGBS certification process for their single-family homes and apartment buildings,” said Michelle Foster, Vice President of Innovation Services at Home Innovation Research Labs, which administers the NGBS.

“This program was developed to recognize residential projects that excelled in high-performance design and construction. It filled a market void for a green certification program that offered tremendous value for builders at an affordable price.”

Halfway through 2018, North Carolina, Florida and Illinois lead the way with the most single-family home certifications this year. Meanwhile, Texas, Florida and North Carolina have had the highest number of multifamily properties certified to the NGBS in 2018.

Builders are drawn to the NGBS certification because it gives them an important marketing advantage. The 2017 Inventory Report by the North Carolina Building Performance Association showed a 9.5% price premium for homes that were certified through third-party systems, with the NGBS certification providing the most added value.

NGBS certification requires incorporating sustainable strategies in multiple areas of design and construction, such as lot development, resource, energy and water efficiency; indoor environmental quality; and operation, maintenance and owner education.

The NAHB website has several case studies of NGBS-certified homes, including the first single-family home certified under the latest (2015) version of the program.

Visit for more information on how to certify a project to the NGBS.

For more details about NAHB’s sustainable and green building programs, contact Sustainability and Green Building Program Manager Michelle Diller. To stay current on the high-performance residential building sector, follow NAHB’s Sustainability and Green Building team on Twitter.

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