When Are Taxes Due 2025 In California. This was extended at the last minute until. The 2024 tax deadline of april 15, 2025, is fast approaching, and you want to be sure to file your taxes on time. if you're getting a refund, it's even more.

California has nine state income tax rates, ranging from 1% to 12.3%. Extension to file taxes in california for 2025 the extension deadline for california individual income tax returns is october 15, 2026.