San Mateo is governed by a Mayor and Vice Mayor elected to three-year terms. The Mayor is the executive head and leads the municipal's departments in executing the municipal ordinances and improving public services, while the Vice Mayor heads a legislative council. San Mateo is one of the municipalities in 2nd District of Rizal Province. Some of the service are:
LCR (Local Civil Registrar's Office) >issuance of civil registry documents(birth, marriage and death certificate).