California statewide filing deadline is December 6


The ballot access deadline for candidates in California is December 6, 2019. The primary is scheduled for March 3, 2020, and the general election is November 3, 2020. Offices on the ballot include all 53 U.S. House seats, 20 out of 40 state Senate seats, and all 80 state House seats. California’s statewide filing deadline will be extended by five days in races where no incumbents file for re-election.
 
A special election for California’s 25th congressional district seat will also be held in 2020. The primary is scheduled for March 3, 2020, and the general election is scheduled for May 12, 2020; however, the filing deadline for that special election is January 9, 2020.
 
California’s statewide filing deadline is the fourth such deadline for the 2020 election cycle. The first statewide filing deadline was Alabama’s on November 8, followed by Arkansas’ on November 12 and Illinois’ on December 2. The fifth statewide filing deadline is in Texas on December 9.
 
Additional reading:
https://ballotpedia.org/Ballot_access_requirements_for_political_candidates_in_California
https://ballotpedia.org/Ballot_and_voter_access_elections_calendar
https://ballotpedia.org/Signature_requirements_and_deadlines_for_2020_state_government_elections