Important Tax Deadlines
Avoid unnecessary interest and fees by allowing TLBJ | CPA to handle your tax and accounting needs.
(Days below are applicable unless they fall on a weekend or Holiday)
March 15: S-Corp (Form 1120S / Form 1120)
April 15: Personal Tax (Form 1040)
September 15: S-Corp Extension & Final Day to File a Return
October 15: 1040 Extension & Final Day to File a Return
March 15
Estimated Tax Payment Dates
Payments are due in four installments. The following are the dates for the 2026 tax year.