Tax Deadline 2025 For California. Extension to file taxes in california for 2025 the extension deadline for california individual income tax returns is october 15, 2026. Key dates include the april 15 filing deadline for your individual income tax return, as well as important dates for estimated tax payments and contributions to iras or hsas.
The irs has announced that california storm victims now have until october 16, 2023, to file individual federal and. January marks the start of the 2025 tax filing season, but there are also a few tax deadlines during the month.