County Administration Center Renovation

San Diego, California

SILLMAN

2026 Professional Excellence Award

Historic Architect: Milford Wayne Donaldson

Photography: Alex Nye

About the project

The renovation of the historic 1938 County Administration Center preserved one of San Diego's most significant civic landmarks while thoughtfully integrating contemporary building systems, accessibility, seismic resilience, and modern workplace environments, extending the building's service life and reinforcing its role as the enduring seat of County government.