Key Deadlines & Reminders

  • January 15: Deadline for fourth and final estimated tax payments for 2025 tax year for self-employed individuals, freelancers, investors, and others with income not subject to withholding.

  • January 31: Deadline to file and distribute 1099s and W-2s.

  • March 1: Deadline for providing all tax documents to our office for tax submission by April 15. Clients who submit documents after March 1st, may be placed on extension.

  • March 15: Deadline for S-Corp and partnership returns (1120-S, 1065).

  • April 15: Deadline for individual returns (1040) and first estimated tax payment.

  • September 15: Extended deadline for partnerships and S corporations that filed for an extension.

  • October 15: Extended deadline for individuals that filed for an extension.  

IRS Resources

Maryland State Tax Resources

Small Business Tools

Have questions about something else? Contact us to discuss your bookkeeping, 1099 processing, payroll set-up, or tax planning needs.