Incumbent Representative Xavier Becerra, nominated by Governor Jerry Brown to succeed Kamala Harris, was confirmed as Attorney General of California on January 23, 2017.

[1] Harris, who was elected to the United States Senate to succeed Barbara Boxer, resigned as attorney general on January 3, 2017.

[2] Democrats Jimmy Gomez and Robert Lee Ahn advanced to the runoff.

[4] Upon the announcement of incumbent representative Xavier Becerra's selection as Attorney General of California, John Pérez, the former Speaker of the California State Assembly, announced his candidacy to succeed him in the House of Representatives.

[2] He soon withdrew from the race, citing a recent health diagnosis.