San Mateo County website links to all aspects of county government. The unincorporated Midcoast also looks to the County to fill the role of city government.
The Board of Supervisors fills the Midcoast role of a City Council. Supervisor Horsley represents District 3 (includes the Coastside).
SMC Resource Conservation District (RCD) is a non-regulatory public benefit district to help people protect, conserve, and restore natural resources through information, education, and technical assistance programs.
California Dept of Transportation
Caltrans District 4:
California Coastal Commission
San Mateo County Local Coastal Program (LCP) - MCC page
Recognizing/reporting Coastal Act violations (pamphlet)