Irs &Amp; California Extension Tax Deadline 2024. If you must file late, you can get an automatic extension by filing irs form 4868. The due date to file your california state tax return and pay any balance due is april 15, 2024.
15, 2024, to file their tax return, though payments are still due on june 17, 2024. However, california grants an automatic extension until october 15, 2024 to file your return,.