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Tax Forms & Information

In the Collection

To browse books on income taxes, deductions, and small business taxes in the library, ask for help at the Adult Reference Desk.


Important Deadlines & Dates

Tax-related dates for individuals so you don't miss any important deadlines.

  •  June 16, 2025
  • Second quarter 2024 estimated tax payment due
  •  September 15, 2025
  • Third quarter 2024 estimated tax payment due
  •  October 15, 2024
  • Deadline to file your extended 2024 tax return
  •  January 15, 2026
  • Final installment of 2025 US estimated taxes due
  •  April 15, 2026
  • Tax day