When Is The Tax Deadline 2024 For California. The california tax deadline extension covers tax filing and payment deadlines initially falling between january 21, 2024, and june 17, 2024. The 2023 deadline for filing california state tax returns is a date every taxpayer should mark on their.

You must send payment for taxes in california for the fiscal year 2024 by march 15, 2025. 16, 2023, extended tax filing deadline now have until feb.