SMC Open Data News

  • Join OpenSMC, a Code for America Brigade for San Mateo County. Work on civic tech projects to improve our communities with technology. Check out OpenSMC's projects.

Featured Applications

Sea Change San Mateo County

What will sea level rise look like in San Mateo County? Use this Viewer to find out.

Home for All

Find out what San Mateo County and its cities are doing to increase affordable housing in the area.

Water Systems

View the service boundaries of the more than 50 water systems in San Mateo County.