— Serving Colorado’s Building Industry since 2004

Making green building common practice, and accessible to all.

CGBG is a nonprofit trade organization representing green building leaders across Colorado. Builders, architects, designers, and advocates working toward healthier buildings and more sustainable communities statewide.

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UPCOMING EVENT

2026 Green Home Tour

September 19, 2026 - 10:00 a.m.-7:00 p.m.
A self-guided tour across Boulder, Denver and Fort Collins, with a Build Better Expo and after party at Relish in Louisville.

Programs & Resources

01

Socials, education sessions, and industry meetups throughout the year.

04

Scholarships

The CGBG Advanced Training Scholarship incentivizes advanced training across the industry.

02

Member Directory

Connect with builders, architects, and designers across Colorado.

05

Policy & Advocacy

Advancing green building standards at the local and state level

03

Resources & White Papers

Research and guidance on sustainable materials and methods.

06

Green Home Tour

Our flagship self-guided tour of sustainable homes across the Front Range.

“Thank you CGBG for being a great resource for those of us rebuilding after the Marshall Fire! I reached out with questions regarding my rebuild, and they answered all my questions and suggested other options which I hadn’t thought of!”

— Katherine from Louisville, CO

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About the Guild

01

Board of Directors

Meet the volunteers who lead the Guild’s mission and governance.

02

Our Committees

Learn what our committees do. From Policy to Events to Fundraising.

03

Our History

Explore the history and impact of the organization since 2005.