The City of White Plains in New York State was incorporated on January 1, 1916 with a law enacted by the state legislature in 1915 and signed by Governor Charles Whitman. The law provided for a two-year term for its mayor. The mayor's term was extended by local law to four years starting with the election of 1977.

When the mayor's office was established in 1915, the annual salary was $1,000. , the salary was $176,700.

The following is a list of the mayors of White Plains since the city's establishment: No. Name Dates in Office Party Notes 1 Farrington S. Thompson January 1, 1916 – December 31, 1919 Democratic elected to two-year terms in 1915 and 1917 2 Frederick E. Weeks January 1, 1920 – December 31, 1925 Republican elected to two-year terms in 1919, 1921, and 1923 3 Frederick C. McLaughlin January 1, 1926 – December 31, 1931 Republican elected to two-year terms in 1925, 1927, and 1929 4 Chauncey B. Griffen January 1, 1932 – December 31, 1933 Republican elected to a two-year term in 1931 did not seek re-election in 1933 5 Robert P. Smith January 1, 1934 – December 31, 1935 Republican elected to a two-year term in 1933 did not seek re-election in 1935 6 Walter Rogers January 1, 1936 – December 31, 1937 Republican elected to a two-year term in 1935 did not have his party's committee's support in the Republican primary election and lost to Chauncey T. S. Fish 7 Chauncey T. S. Fish January 1, 1938 – December 31, 1945 Republican elected to two-year terms in 1937, 1939, 1941, and 1943 8 Silas S. Clark January 1, 1946 – December 31, 1949 Republican elected to two-year terms in 1945 and 1947 9 Edwin G. Michaelian January 1, 1950 – December 31, 1957 Republican elected to two-year terms in 1949, 1951, 1953, and 1955 10 Richard S. Hendey January 1, 1958 – December 31, 1973 Republican elected to eight two-year terms did not seek re-election in 1973 11 Carl J. Delfino January 1, 1974 – July 21, 1974 Republican elected to a two-year term in 1973 suffered an incapacitating stroke several days after taking office, submitted his resignation July 18, and died July 21 before the resignation became effective — Harry Gordon January 1974 – May 3, 1974(acting) Republican as president of the city's Common Council, he became acting mayor upon Delfino's incapacity resigned — vacant May 3, 1974 – May 22, 1974 the city's Common Council had only two Democrats and two Republicans, and could not agree on an interim mayor, even after two Democrats were elected to fill the remaining empty council seats — Michael J. Keating May 22, 1974 – August 20, 1974(acting) Democratic appointed via a State Supreme Court justice ruling that as the senior councilman, he should become acting mayor 12 Richard Maass August 20, 1974 – December 31, 1974(interim) Democratic the Common Council finally decided on an interim mayor 13 Michael J. Keating January 1, 1975 – December 31, 1975 Democratic won a special general election in 1974 to serve the remainder of Carl Delfino's term lost in the 1975 general election to Alfred Del Vecchio 14 Alfred Del Vecchio January 1, 1976 – December 31, 1993 Republican had previously been a Democrat, but ran on the Republican and Conservative party lines elected to a two-year term in 1975, and after passage of a law that changed the mayoral term to four years, was elected to four-year terms in 1977, 1981, 1983, and 1987 lost the Republican primary election in 1993 15 Seymour J. Schulman January 1, 1994 – December 31, 1997 Democratic elected to a four-year term in 1993 did not seek re-election in 1997 16 Joseph M. Delfino January 1, 1998 – December 31, 2009 Republican elected to four year terms in 1997, 2001, and 2005 did not seek re-election in 2009 17 Adam T. Bradley January 1, 2010 – February 18, 2011 Democratic elected to a four-year term in 2009 resigned after being convicted for domestic violence (his conviction overturned on appeal and he was acquitted upon retrial) 18 Thomas M. Roach February 18, 2011 – April 1, 2011 (acting)April 1 – December 31, 2025 Democratic as president of the city's Common Council, he became acting mayor upon Bradley's resignation won a special election in March 2011 for the remainder of Bradley's term elected to four-year terms in 2013, 2017, and 2021 did not seek re-election in 2025 19 Justin C. Brasch January 1, 2026 – current Democratic elected to a four-year term in 2025

See also History of White Plains, New York

References