Deadline for Individual Form 1040

- April 15, 2026
- 11:59 PM
- Ozfield Office
- (773) 536-9272
Individual Form 1040 Filing Deadline
Calendar-year individuals: Form 1040 is due April 15, 2026. This is the same day as C corporation returns and 1st quarter estimated tax (Form 1040-ES).
If a business or individual fails to file these forms on time, they may be subject to penalties. The penalties for late filing can vary depending on the severity of the violation and the length of time the form was overdue. Please send us the info prior to the deadline.
- 9:00 AM — 5:00 PMOzfield OfficeLast Day to File Form 1040If a business or individual fails to file these forms on time, they may be subject to penalties. The penalties for late filing can vary depending on the severity of the violation and the length of time the form was overdue. Please send us the info prior to the deadline.
Founder & President
Tax Department




