The San Francisco Public Utilities Commission Headquarters project in San Francisco, California featured an innovative post-tensioned concrete design that replaced two structural steel designs and resulted in over $30 million in cost savings for the $200 million project. The post-tensioned concrete core shear walls provide superior seismic resilience allowing the building to self-center and be reoccupied with minimal damage after a large earthquake. The original design called for base isolation but budget constraints led to a redesign using vertically post-tensioned concrete shear walls and composite link beams that met goals of immediate reoccupancy, low cost, and reuse of the existing floor plan allowing the long-delayed project to be completed.