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With  certified to the  (NGBS) since its launch in 2009, builders across the United States are continually adding to the pipeline of NGBS projects.

The NGBS provides home 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.

Here’s a snapshot of the top NGBS Green certification activity by state in 2024 for both single-family and multifamily projects:

Four states rank in the top 10 for both single-family and multifamily projects in 2024: Virginia, North Carolina, Maryland and Florida. Texas once again tops multifamily certification, and Florida took the top spot for most single-family certification.

NGBS certification activity generally aligns with areas that are seeing the most new home building. Arizona is a new addition to the multifamily certification Top 10 last year, and Alabama is a new addition to the single-family list.

The NGBS program is administered through . Builders can learn more about the value of NGBS Green certification at nahb.org.