California Personal Tax Extension 2026: 2025 Tax-Year Filing Guide
Individual Income Tax · California 540 · 540 2EZ · 540NR
This guide explains the California personal tax extension for the 2025 tax year. Most individuals receive an automatic extension to October 15, 2026, but payment is still due by April 15, 2026. For federal filing details, see our federal tax extension resources.
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California (CA) gives most individuals an automatic filing extension. File by October 15, 2026, and pay any California tax owed by April 15, 2026.
California Personal Tax Extension: Filing Details
California generally grants an automatic six-month extension for individual income tax returns. The extended filing deadline for a 2025 calendar-year return is October 15, 2026.
The extension applies to filing time only. Pay any balance due by April 15 to limit penalties and interest.
Quick Reference: Deadlines and Forms
Use this summary to confirm California personal filing deadlines, return forms, and payment requirements.
| Item | California personal return | Deadline or method |
|---|---|---|
| Original deadline | 2025 California return | April 15, 2026 |
| Extended deadline | Automatic extension | October 15, 2026 |
| Return forms | 540, 540 2EZ, 540NR | Use the form for your filing status |
| Payment form | FTB 3519 | Payment remains due April 15 |
Frequently Asked Questions
Answers about California personal tax extensions. Confirm current rules with the California Franchise Tax Board (FTB).
Visit FTB Web Pay →Most individuals receive an automatic California extension and do not need to submit a separate extension form. The extension moves the filing deadline to October 15, 2026, but payment remains due April 15, 2026. For business filings, see our California business tax extension page.
No. California tax is due by April 15, 2026. Pay through My California Taxes or use the applicable payment method to limit penalties and interest.
For most 2025 calendar-year individual returns, the California extended filing deadline is October 15, 2026. Check the current FTB Web Pay individual filing guidance if your circumstances differ.