The County Executive’s Office is responsible for the efficient day-to-day operations of San Mateo County’s government and carries out the vision and policies set by the Board of Supervisors.

 Divisions County of San Mateo Board Chambers Clerk of the Board Avatar Budget, Policy and Performance Parents and children at library storytime Community Affairs Avatar Intergovernmental and Public Affairs Rendering of County Office Building 3 Project Development Avatar News and Public Information Photo of painting and onlooker in Caldwell Gallery Arts and Culture The building at 555 County Center Real Property
Mike Callagy square
Mike Callagy

County Executive Officer/Clerk of the Board

Contact us:
500 County Center, 5th Floor
Redwood City, CA 94063
650-363-4123
Major Initiatives Measure K Vertical Logo Measure K Share Vision 2025 Logo Shared Vision 2025 CVI logo - Community Vulnerability Index Community Vulnerability Index Home For All San Mateo County logo Home for All ARPA Funds American Rescue Plan Act (ARPA) Juneteenth Flag Current Juneteenth Celebration County logo Community Wellness and Crisis Response Team

Get to Know the County