Irs &Amp; California Extension Tax Deadline 2024. California offers an automatic filing extension but you will have still needed to have paid your estimated. You must send payment for taxes in california for the fiscal year 2024 by march 15, 2025.
For individuals, the last day to file your 2023 taxes without an extension is april 15, 2024, unless extended because of a state holiday. The california tax deadline extension covers tax filing and payment deadlines initially falling between january 21, 2024, and june 17, 2024.