Guy Spencer Houston (born October 20, 1961) is an American politician and real estate executive who served as a member of the California State Assembly from the 15th district from 2002 to 2008.

[1] He spent his childhood in Pleasanton, California, and attended San Ramon Valley High School, where he played varsity football for 3 years under his father's coaching and graduated in 1978.

[2][3] Houston attended Saint Mary's College of California on an athletic scholarship and originally pursued a career in sports to become a sportswriter.

[8][9] Houston was first elected to the California State Assembly in 2002, defeating Contra Costa County supervisor Donna Gerber with 53.6% of the vote.

Houston represented the 15th district, which, during his time in the Assembly, encompassed parts of Contra Costa, Alameda, San Joaquin, and Sacramento Counties.

[12] He instead ran for the Contra Costa County Board of Supervisors against Mary Piepho, a political ally and former staffer of Houston's.