California Tax Deadline 2025

California Tax Deadline 2025. Taxpayers in certain parts of california who have been affected by severe storms have been granted a tax deadline extension by the irs. The tax tables below include the tax rates, thresholds and allowances included in the california tax calculator 2025.

This is typically 5% of the unpaid taxes for each month the return is late, capped at. For example, an s corporation’s 2023.