The College formally integrated a comprehensive set of green building standards for all future construction and commercial interior projects. These standards set goals for efficiency, as well as outline various requirements for energy modeling, life cycle costing, and LEED certification. As part of the design process, Colby seeks to ensure that the design of projects is in keeping with our sustainability goals. Learn More About Our Green Building Standards >

Colby is a leader among its peer institutions with a total of 14 LEED certified spaces, including:

  • Diamond Building (LEED certified)
  • Schair-Swenson-Watson Alumni Center (LEED Silver)
  • Cotter Union/Bookstore (LEED Silver)
  • Pierce (LEED Gold)
  • Perkins-Wilson (LEED Gold)
  • Treworgy (LEED Gold)
  • Drummond (LEED Gold)
  • Piper (LEED Gold)
  • Goddard-Hodgkins (LEED Gold)
  • Biomass Plant (LEED Gold)
  • Alfond-Lunder Family Pavilion, Colby Museum of Art (LEED Silver)
  • Davis Science Center (LEED Gold)
  • Miller Library (LEED Gold)
  • Roberts Building Residence Hall (LEED Gold)

In total, we have 310,000 square feet of LEED-certified spaces on campus, which is 20 percent of our total square footage.  Additionally, one in three people at Colby live or work in a LEED-certified space.

View all of our LEED submittals here.

Colby also has seven LEED accredited professionals – six within PPD plus the sustainability coordinator. There are also several LEED for Green Associates across campus now that the Sustainability Office offers a course open to staff and students.

 Latest Building Projects:

Davis Science Center10037881_H11789143-600x348

The newly completed Davis Science Center, which houses the Psychology, Math, and Computer Science departments is a LEED Gold certified facility. The 36,400-square-foot building includes a robotics laboratory, a behavioral neuroscience research suite, and shared classrooms and computer laboratories. It was built to the U.S. Green Building Council’s LEED Gold certification standards.


MillerMiller Library Renovation

In the summer of 2014, the renovation of the ground, first, second and third floors of the Library was completed and earned LEED Gold Certification under the USGBC’s Interior Design and Construction Rating System. For more information, look over the project’s LEED profile found here.




Roberts Building RenovationRoberts-Union-1

Completed in the fall of 2015, the second floors of the Roberts Building were renovated from office space to residence hall space, providing the College with 75 new, LEED-certified beds. The project earned LEED Gold Certification under the USGBC’s Interior Design and Construction Rating System. For more information, look over the project’s LEED profile found here.



Latest News on New Construction

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  • Roberts Renovation Earns Colby’s 14th LEED Certificate for Sustainable Construction - Renovations to the Roberts Building completed in 2015 earned LEED gold certification, the U.S. Green Building Council announced in March. The renovation of the second and third floors as residence halls led to Colby’s 14th LEED (Leadership in Energy Efficiency and Design) certification and increased LEED certified space to the point where 20 percent of...
  • Piper and Drummond Residence Halls Earn LEED Gold Certification - Piper and Drummond residence halls earned a Leadership in Energy and Environmental Design (LEED) Gold certification through the United States Green Building Council (USGBC) in July 2014. These certifications mark the 10th and 11th LEED certifications and the fifth and sixth residence halls certified at the College. One key element for both buildings was improved...
  • Alfond-Lunder Pavilion is LEED Silver - With the opening of the Alfond-Lunder Family Pavilion this weekend, the Colby College Museum of Art—long recognized for its substantial and important American art collection—now has the most exhibition space of any art museum in Maine and has confirmed its status as one of the nation’s premier institutions of American art. An event for friends...

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