The 1990 United States House of Representatives elections in California was an election for California's delegation to the United States House of Representatives, which occurred as part of the general election of the House of Representatives on November 6, 1990. Democrats won one Republican-held seat while Republicans won two Democratic-held seats.
Final results from the Secretary of State of California: https://web.archive.org/web/20080206210944/http://www.sos.ca.gov/elections/sov/90_gen_sov.pdf
Incumbent Representative Douglas H. Bosco ran for re-election. He faced Republican candidate Frank Riggs and Peace and Freedom candidate Darlene G. Comingore. Bosco lost re-election to Rigg by 1.4%, taking 41.9% of the vote to Riggs' 43.3% and Comingore's 14.8%.