$1B+
Design Build
$700M+
Lease-Leaseback
500+
Collaborative Delivery Projects
unified vision
Proven Collaborative delivery Expertise
Overaa has completed 500+ collaborative projects in the Bay Area totaling over $1.5B. We are well-versed in a variety of collaborative delivery methods including:
- Progressive Design-Build
- Fixed Price Design-Build
- Design-Build
- Design-Assist
- Lease-Leaseback
- Public Private Partnerships (P3)
- Construction Management at Risk (CMAR)
Family-owned and operated since our inception in 1907, we are a nimble, responsive Collaborative Project Partner that thrives on teamwork in the Collaborative Delivery Process. We welcome the opportunity to team with the most talented groups in the industry to help bring an owner’s vision to life. Overaa has the necessary depth of resources for collaborative projects, including a bonding capacity of $1B and 400+ person staff with a dedicated self-perform group of 230+ crafts people specializing in all phases of concrete and carpentry to ensure on-time completion.
AWARD WINNING COLLABORATIVE PROJECT CASE STUDIES

Progressive Design Build
San Jose International Airport (SJC) Aircraft Rescue & Firefighting Facility
- Design Build Institute of America (DBIA) National Award of Merit
- ENR Award of Merit, California
- International Partnering Institute (IPI) Project of the Year
- Project intricacies included programming for two different user groups and coordination with three separate stakeholder agencies and four different funding sources
- Incorporated $6M of additional scope at 30% CDs, delivered to the amended budget one month ahead of the original schedule, and spent less than 5% of the construction contingency

Progressive Design Build
City of San Jose Cogeneration Facility
- Design Build Institute of America (DBIA) National Award of Merit
- Collaboratively modified original building design to reduce construction costs, expedite the overall construction schedule, and allow for early facility startup
- Early equipment buy-out key
- Closely collaborated with Owner’s Safety Team and Staff as the existing Plant remained in service for the duration of the project
- Delivered on-time, in-budget, with a perfect safety record

Fixed Price Design Build
Willie L. Brown, Jr. New STEM Middle School, San Francisco
- Design Build Institute of America (DBIA) Western Pacific Region Award
- CHPS Verified (Collaborative for High Performance Schools)
- Collaboratively refined the design providing 42 enhancements within the fixed budget—without compromising quality
- Completed design on a fast track, and collaboratively worked through unforeseen hard rock in the hillside construction to open the new school on time
- Met the 20% Local Hire Requirement

Lease Leaseback
Oakland Unified School District Central Commissary
- ENR Best Project Award, California
- 40,000 SF Central Kitchen for entire District with 450 kitchen equipment items and 20+ building operational systems
- Fully designed with a DSA approved set to price
- 188 constructability review items provided
- 60 cost savings ideas provided totaling $10M ($3M accepted)
- Surpassed 50% Local/Small Business Hiring Requirement by 11%

Public Private Partnership
El Portal Place, San Pablo
- ENR Award of Merit, California
- Overaa provided financing and design build services in first of its kind public/private partnership with Contra Costa County
- Closely collaborated with the City of San Pablo and local community on one of the first office to residential conversion (adaptive reuse) projects in the Bay Area
- Provides housing for 60 formerly unhoused individuals

Design Assist
Sufism Reoriented Sanctuary, Walnut Creek
- ENR Best Project Award, California
- International Finalist CEMEX Building Category
- Outstanding Architecture/New Construction Award, Shotcrete Magazine
- Added significant savings and value to Owner requested scope items while keeping the original GMP scope under budget through cost savings approaches such as shotcrete rather than cast-in-place concrete roof domes