Brown and Caldwell

Walnut Creek, US 94596


About Brown and Caldwell


Walnut Creek, US 94596

More Info on Brown and Caldwell

Established in 1947, Brown and Caldwell is a multi-disciplined environmental engineering and consulting firm. The employee-owned company is headquartered in Walnut Creek, Calif., and employs more than 1,500 people in 45 offices nationwide. Engineering News-Record ranks Brown and Caldwell 48th among the nation’s top 500 engineering firms, 36th among the Top 200 environmental firms, 21st largest in the Water Supply market and 8th largest in the Sewer/Waste market.

Products and Press Releases

Photo 77446603 © Jon Bilous |
Potomac River

RiverRenew Program Reaches New Milestone

July 20, 2022
380-ton tunnel boring machine arrives in Alexandria to dig new Waterfront Tunnel

Articles & News

Stormwater Management

VDOT Selects Team for Water Quality Project

Feb. 26, 2021
The Virginia Department of Transportation has engaged a team to assist in implementing its municipal separate storm sewer system (MS4) program.