San Mateo is a 1st class, urban town in the 2nd Congressional District of the province of Rizal, Philippines.

Population (2007): 184,860

Zip Code: 1850

Area Code: 02

San Mateo has 15 barangays:

Ampid I
Dulong Bayan 1
Dulong Bayan 2
Guinayang
Guitnang Bayan I (Pob.)
Guitnang Bayan II (Pob.)
Malanday
Maly
Santa Ana
Ampid II
Banaba
Gulod Malaya
Pintong Bocawe
Santo Niño
Silangan