City Charter
Category:
General Inquiry
San Mateo’s City Charter is available online at: https://sanmateo.ca.us.open.law/ San Mateo is one of two cities in the county that is a charter city. The San Mateo City Charter formulates the basic rules for governing the city. The charter can be changed or additions made by amendments, which must be approved by a majority of the voters. San Mateo was incorporated as a city on September 4, 1894.
Updated 1/5/2026 10:15 AM