07/28/2026
📅 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
📌 July 15 — June federal payroll tax deposits due for monthly depositors
📌 July 20 — Texas sales tax return & payment due for monthly filers
📌 July 31 — Q2 Form 941 due
📌 July 31 — Q2 FUTA deposit due, if applicable
📌 July 31 — Q2 Texas unemployment wage report & tax payment due
AUGUST
📌 August 17 — July federal payroll tax deposits due for monthly depositors
📌 August 20 — Texas sales tax return & payment due for monthly filers
SEPTEMBER
📌 September 15 — 3rd individual estimated tax payment for 2026 due
📌 September 15 — Extended S-Corporation Form 1120-S returns due
📌 September 15 — Extended Partnership Form 1065 returns due
📌 September 15 — August federal payroll tax deposits due for monthly depositors
📌 September 21 — Texas sales tax return & payment due for monthly filers
📌 September 30 — End of Q3
⚠️ Business owners: Don’t 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.