Irs Tax Extension 2024 California. The irs has extended tax deadlines for most californian taxpayers until november 16, 2023. Washington — california storm victims now have until may 15, 2023, to file various federal individual and business tax returns and make tax payments, the.

Mailing addresses are listed below—is. The california tax deadline extension covers tax filing and payment deadlines initially falling between january 21, 2024, and june 17, 2024.