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Theatre Design

500 County Center

At the heart of the first net-zero-energy civic building—San Mateo County Headquarters—the Board of Supervisors Chambers redefines the civic meeting room as an open, transparent, and inclusive environment rooted in connection to place.

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500 County Center – San Mateo County Headquarters

Board of Supervisors Chambers at San Mateo County Headquarters featuring circular seating, daylight-filled design, and net-zero civic architecture by SOM and Apeiro Design.

Zero

Energy

Net-zero-energy Board Chambers at the heart of San Mateo County Headquarters, designed for openness, sustainability and public inclusion.

130

Fixed Seats

Project Details

Location

Redwood City, California

Discipline

Theatre/Performance Environments

Size

208,000 SF / 130 Fixed Public Seats (up to 150 Accommodations)

Owner

County of San Mateo Project Development Unit

Partners

SOM (Architects) / Salter Inc. (Acoustics)

Photo Credit

Dave Burk © SOM

Services

Pre-Architectural Facility Planning / Facility Programming / Public Meeting Room Design / Seating Layout

Sustainability Certifications

LEED BD+C NC Platinum / ZERO ENERGY

Awards

2025, AIA California, Design Awards
2025, AIA San Francisco, Design Awards
2025, Structural Engineers Association of Northern California, Structural Engineering Excellence (SEE) Award
2025, Sustainable San Mateo County, Green Building Award
2024, Engineering News-Record, Best of the Best Projects
2024, Engineering News-Record, Regional Best Projects - California
2024, SILICON VALLEY BUSINESS JOURNAL, Structures Awards