(Political History)
1899 - 1901 Dr. Pio Valenzuela First Philippine Republic War of the Philippines Independence (Polo)
1901 - 1903 Nemesio D. Santiago American Military Rule (Polo)
1903 - 1907 Rufino D. Valenzuela American Civil Government (Polo)
1908 - 1909 Inoc Guansing Philippine Islands (polo)
1910 - 1912 Melencio Hernandez Philippine Islands (polo)
1912 - 1917 Jose Serapio Philippine Islands (polo)
1917 - 1919 Rufino D. Valenzuela Philippine Islands (polo)
1920 - 1922 Tomas de Castro Philippine Islands (polo)
1922 - 1928 Arcadio Deato Philippine Islands (polo)
1928 - 1931 Barcinito Espiritu Philippine Islands (polo)
1931 - 1937 Andres Fernando Philippine Independence Mission
Commonwealth of the Philippines (Polo)
1937 - 1940 Leopoldo Santiago Commonwealth of the Philippines (Polo)
1940 - 1942 Andres Fernando Early Japanese Occupation (Polo)
1942 - 1943 Feliciano Potenciano Replaced Hon. Andres Fernando
Executed by Japanese Imperial Army (Polo)
1943 - 1944 ---------------- Japanese Occupation
1945 - 1946 Faustino Cruz Military Mayor (Polo)
1946 - 1947 Florentino Deato Philippine Independence, Post War (Polo)
1948 - 1951 Florentino Deato Republic of the Philippines (Polo)
1952 - 1955 Avelino Deato Republic of the Philippines (Polo)
1956 - 1959 Ignacio Santiago Republic of the Philippines (Polo)
1960 - 1963 Florentino Deato Separation of Polo
1960 - 1961 Enrique Bautista Separation of Valenzuela
1961 - 1962 Gregorio Marcelo Republic of the Philippines (Polo)
1962 - 1963 Faustino Lazaro Republic of the Philippines (Polo)
1964 - 1967 Ignacio Santiago Town renamed Valenzuela; Polo became Annex
1968 - 1986 Geronimo Angeles Republic of the Philippines up to Martial Law
Integration with Metro Manila Commission
Republic of the Philippines under the 1973 Constitution
1986 - 1987 Willie Chongco Officer-in-Charge (appointed by Pres. Cory Aquino
as part of Metro Manila)
1988 - 1992 Santiago de Guzman Valenzuela City
1993 - 2003 Bobbit Carlos Valenzuela City
2004 - Present Sherwin Gatchalian Valenzuela City