Top 10 States for NGBS Green Certification Activity in 2022
This post has been updated.
With more than 400,000 homes certified to the National Green Building Standard (NGBS) since its launch in 2009, builders across the United States are continually adding to the pipeline of NGBS projects.
Here's a snapshot at the top NGBS Green certification activity in 2022 for both single-family and multifamily projects:
Two states rank in the top 10 for both single-family and multifamily projects in 2022: Maryland and Virginia. New states topping the multifamily certification list include Louisiana and South Carolina. New states and provinces topping the single-family certification list include Puerto Rico and Utah.
Overall, since the inception of NGBS, the top 10 states for both multifamily and single-family certifications combined are:
- Texas
- Florida
- North Carolina
- Georgia
- Virginia
- Maryland
- Colorado
- Indiana
- South Carolina
- Tennessee
The NGBS provides builders with a national standard to define and measure sustainable multifamily and single-family homes, developments and remodeling projects. Third-party green certification also offers consumers a level of confidence that they are purchasing an independently verified green property.
Builders can learn more about the value of NGBS Green certification at nahb.org.
Latest from NAHBNow
Jan 13, 2026
Release of 2026 Committee and Council AppointmentsLetters for 2026 Committee and Council appointments are tentatively scheduled to be released on Friday, Feb. 6. A list of appointees will be posted on nahb.org on Monday, Feb. 9.
Jan 12, 2026
State Supreme Court to Review NAHB-Supported Case on Subcontractor LiabilityThe South Carolina Supreme Court granted a petition for certiorari review in a case with serious consequences for general contractor liability for subcontractor negligence.
Latest Economic News
Jan 12, 2026
Household Real Estate Asset Values Fall in the Third QuarterThe market value of household real estate assets fell to $48.0 trillion in the third quarter of 2025, according to the most recent release of U.S. Federal Reserve Z.1 Financial Accounts. The third quarter value is 0.7% lower than the second quarter but is 1.5% higher than a year ago.
Jan 12, 2026
Growth for Custom Home BuildingNAHB’s analysis of Census Data from the Quarterly Starts and Completions by Purpose and Design survey indicates year-over year growth for custom home builders amid broader single-family home building weakness.
Jan 09, 2026
Townhouse Construction Share Gains ContinueAccording to NAHB analysis of the most recent Census data of Starts and Completions by Purpose and Design, during the third quarter of 2025, single-family attached starts totaled 46,000. Over the last four quarters, townhouse construction starts totaled a strong 179,000 homes, which is 1% higher than the prior four-quarter period (177,000). Townhouses made almost 20% all of single-family housing starts for the third quarter of the year.