1903 - 1904 Henry Lewelling, First "Town" Marshal
Killed in the line of duty March 29, 1904
Arroyo Grande Chiefs of Police
1911 - 1912 C.B. Doty
1912 - 1913 G.A. John
1913 - 1919 John Bardin
1919 - B.S. Stewart
1931 - C.H. Branch
1934 - 1942 Fred Norton
1942 - 1948 Clyde A. McKenzie
1948 - 1949 V.D. Hackler
1949 - 1952 William M. Stonesifer
1952 - 1959 Weyman C. Mize
1959 - 1972 John Richardson
1972 - 1989 James Clark
1989 - 2005 Lester "Rick" TerBorch
2005 - 2007 Tony Aeilts
2007 - 2017 Steven N. Annibali
2017 - 2020 Beau D. Pryor
2020 - Current Michael T. Martinez