Photo Credit: Connie Zhou

California Air Resources Board Southern California Headquarters – Mary D. Nichols Campus

Project overview

Vanir provided project and construction management services for the California Air Resources Board’s (CARB) Southern California Headquarters and Vehicle Emissions Testing and Research Facility in Riverside, California. The project consolidated CARB’s five locations and 450 employees dispersed across Southern California into a new, 408,175 gross-square-foot, state-of-the-art facility. The new campus is located on a 19-acre site adjacent to the University of California, Riverside and has been designed and constructed to be greenhouse gas neutral and the largest net-zero energy facility of its type. It is LEED-v4 Platinum certified and meets CalGreen Tier 1 & 2 measures.

The new campus includes a basement beneath vehicle test cells and three stories of office building space that extend in a pin-wheel shape to parallel and support the primary building functions of vehicle testing, chemistry analysis, compliance and enforcement. The facility includes designated spaces for:

  • Auditorium, meeting areas and a visitor center
  • Light- and medium-duty vehicle testing
  • Heavy-duty vehicle and engine testing
  • Portable emissions measurement systems
  • Chemistry laboratories
  • Offices and administrative areas
  • Central utility plant


LEED Platinum v4.0 Certified | 2022 CMAA Southern CA Chapter – Project Achievement Award, City/County/State, More Than $100 M | 2022 DBIA National – Merit Award | 2022 DBIA Western Pacific Region – Merit Award, Federal/State/County/Municipal | 2022 ENR Southern California – Excellence in Sustainability Award & Excellence in Safety Award, Best Government/Public Building | 2022 DBIA National – Best of Awards, Best Use of BIM/VDC & Best in Design, Engineering

Riverside, California
California Department of General Services

Architect of Record: ZGF Architects

Criteria Architect/Engineer: Harley Ellis Devereaux


Design-Build Contractor: Hensel Phelps

Square Footage
408,175 GSF
Construction Cost
$410 Million
Start Date
Completion Date