AIA CA Sustainability Award

College Prep High School in Oakland received the 2023 AIA CA Award, Design for Well-Being and also achieved net zero energy performance.

Tilt-Up Achievement Award

Oakland Unified School District Central Kitchen, Instructional Farm, and Education Center was awarded a Tilt-Up Achievement Award from the Tilt-Up Concrete Association.

National Award of Merit, Aviation

Design Build Institute of America (DBIA) awarded the San Jose Mineta International Airport’s Aircraft Rescue and Fire Fighting Facility (SJC ARFF) the National Merit Award for the Aviation category, 2023.  The progressive design build project was completed one month early, on budget, with a perfect safety record. The multi-stakeholder project is the first on the West […]

ENR Top 200 Environmental Firms

Overaa was recently named a Top Environmental Firm by Engineering News Record. Based on annual revenue, the list ranks firms involved in water treatment and supply, wastewater treatment, and other environmental work across the globe. The list includes engineers, consultants, construction managers as well as general contractors. Among the general contractors based in California, Overaa […]