The Olson Co.
This California-based firm is the only builder on the BUILDER 100/Next 100 list to certify 100 percent of its homes to LEED requirements.
Read the points below to find out how much the firm spends to green its projects.

Fact #1
Many of Olson’s LEED points are generated by meeting California’s Title 24 requirements, but building in urban areas also garners points for community and transit as well as infill.
Fact #2
The company spends an average of $2,000 for energy-efficient construction upgrades per house, plus an additional $5,100 for solar for a total of $7,100.
Fact #3
All employees play a part in the company’s commitment to green building, says CEO Scott Laurie.”It’s a culture where everyone from land acquisitions to sales has it ingrained.”