The Information Services Department (ISD) has a team of highly skilled professionals committed to delivering a variety of services including Radio Communications, Data Center, Countywide Enterprise Applications, Network, Telephones, and much more. These mission critical services are provided 24 hours a day 7 days a week to keep the operations of the County running smoothly and effectively.

San Mateo County is central to the Silicon Valley and an amazing span of community and natural resource diversity.  As a government organization San Mateo County is embracing technology at a rapid pace as we seek to provide outstanding services to our constituents.