07/28/2026
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Q3 2026 IMPORTANT TAX & ACCOUNTING DEADLINES
Business owners, mark your calendars! Q3 runs July 1 through September 30, and several important tax and payroll deadlines are coming up.
JULY
π July 15 β June federal payroll tax deposits due for monthly depositors
π July 20 β Texas sales tax return & payment due for monthly filers
π July 31 β Q2 Form 941 due
π July 31 β Q2 FUTA deposit due, if applicable
π July 31 β Q2 Texas unemployment wage report & tax payment due
AUGUST
π August 17 β July federal payroll tax deposits due for monthly depositors
π August 20 β Texas sales tax return & payment due for monthly filers
SEPTEMBER
π September 15 β 3rd individual estimated tax payment for 2026 due
π September 15 β Extended S-Corporation Form 1120-S returns due
π September 15 β Extended Partnership Form 1065 returns due
π September 15 β August federal payroll tax deposits due for monthly depositors
π September 21 β Texas sales tax return & payment due for monthly filers
π September 30 β End of Q3
β οΈ Business owners: Donβt wait until a deadline to get your books in order. Keeping your bookkeeping current throughout the quarter makes payroll reporting, sales tax filings, estimated taxes, and year-end tax preparation much easier.
Deadlines may vary based on your business and filing/deposit requirements.