The 1998 California State Assembly elections were held on November 3, 1998. California's State Assembly in its entirety comes up for election in even numbered years. Each seat has a two-year term and members are limited to three 2-year terms. All 80 biennially elected seats in the Assembly were up for election this year. Democrats retained control of the Assembly, gaining five Republican-held seats in the process.

The 1996 California State Assembly elections were held on November 5, 1996. California's State Assembly in its entirety comes up for election in even numbered years. Each seat has a two-year term and members are limited to three 2-year terms. All 80 biennially elected seats in the Assembly were up for election this year. Democrats gained 4 seats, retaking control of the Assembly after narrowly losing control in 1994.