Brown and Caldwell

Brown and Caldwell is a full-service environmental engineering and construction firm headquartered in Walnut Creek, California.

Established in 1947 by Ken Brown and Dave Caldwell, the company has grown to become a leader in the U.S. water and environmental sectors, with over 2,100 professionals across 52 offices in North America and the Pacific.

As an employee-owned firm, Brown and Caldwell is dedicated to delivering exceptional service, collaborating with clients, and fostering innovation.

Their comprehensive range of services includes engineering, scientific consulting, and construction, all aimed at addressing complex environmental challenges.

The company's expertise spans:

• water resources
• stormwater management
• site investigation and remediation
• integrated project delivery
• smart utility solutions

Brown and Caldwell's mission is to make a positive impact on the environment and the world by serving their clients, employees, and communities.

They are committed to sustainability and socially responsible operations, focusing on resource conservation, waste reduction, and supporting access to clean water and sanitation in developing countries.

Locations

The company operates numerous offices across the United States, including:

• Atlanta, Georgia
• Lakewood, Colorado
• Seattle, Washington
• Rancho Cordova, California
• Alexandria, Virginia
• Andover, Massachusetts
• Honolulu, Hawaii
• New York, New York
• Irvine, California
• Phoenix, Arizona
• Boise, Idaho

In Boise, Idaho, Brown and Caldwell maintains an office providing local expertise and services to the community.