California State and Federal Income Tax Forms (Tax Year 2025)

California State Income Tax Forms (2025)

California income tax forms are issued by the California Franchise Tax Board (FTB).

Taxpayers can find additional documents on the official FTB 2025 forms page
.

Common California Individual Income Tax Forms

• Form 540 – California Resident Income Tax Return (2025):
  File using the official
  Form 540 (2025 PDF)
  and follow the
  Form 540 instructions booklet
  .
• Form 540 2EZ – California Simplified Income Tax Return (2025):
  Eligible taxpayers may use the
  Form 540 2EZ (2025 PDF)
  
  with the
  540 2EZ instructions
  
• Schedule CA (Form 540) – California Adjustments (2025):
  Attach the
  Schedule CA (540) 2025 PDF
  
  and use the
  Schedule CA instructions
  .
• Form 540NR – Nonresident or Part-Year Resident Income Tax Return (2025):
  Use the
  Form 540NR (2025 PDF)
  with the
  540NR instructions booklet
  .
• Form 540-ES – Estimated Tax for Individuals (2025):
  Quarterly estimated payments can be made using
  Form 540-ES (2025 PDF)
  .
• California tax rate schedules (2025):
  Reference the official
  Tax Rate Schedules (2025 PDF)
  .

Federal Income Tax Forms (IRS – 2025)

Federal income tax forms are published by the Internal Revenue Service (IRS). Additional federal documents can be found in the IRS Forms & Instructions directory
.

Common Federal Individual Income Tax Forms

• Form 1040 – U.S. Individual Income Tax Return (2025):
  Download the official
  Form 1040 (2025 PDF)
  
  and the
  Form 1040 instructions.
  For a detailed walkthrough, examples, and an Excel version, see our
  Federal Form 1040 guide.

• Form 1040-ES – Estimated Tax for Individuals (2025):
  Individuals who must pay quarterly estimated federal taxes can download the
  Form 1040-ES (2025 PDF),
  which includes worksheets and payment vouchers. For a detailed explanation of who
  must pay estimated taxes, payment deadlines, and penalty rules, see our Estimated Taxes (Form 1040-ES) guide

•  Schedule A – Itemized Deductions (2025):
• Taxpayers who itemize deductions should attach
  Schedule A (2025 PDF).
• Schedule C – Profit or Loss From Business (2025):
  Self-employed individuals report business income using
  Schedule C (2025 PDF).
• Schedule SE – Self-Employment Tax (2025):
  Self-employment tax is calculated using
  Schedule SE (2025 PDF)
  .

Filing Deadlines for Tax Year 2025

For most taxpayers, federal income tax returns for tax year 2025 are due April 15, 2026, with an automatic filing extension available until October 15, 2026. California generally follows the same deadline for state income tax returns.

Final Notes

Always use official government forms when preparing or filing tax returns. The IRS and California Franchise Tax Board may update forms if revisions are required, but the links above reflect the standard release structure for tax year 2025.