Important Dates:
- January 15th: Quarterly payments due
- January 31th: Filing Deadline for 1099, W-2, and 1098 forms
- End of January: E-filing Season Begins (Date varies annually)
- February 1st: Deadline for submitting 1065/1120 filing documentation to the office
- March 15th: Filing deadline for 1065/1120-S returns
- March 15th: Deadline for submitting 1040 filing documentation to the office
- April 8th: Deadline for submitting information for extension preparation
- April 15th: Filing deadline for 1040 & 1120 returns*
- April 15th: Quarterly payments due
- April 15th: Deadline for IRA contributions for prior year (Some account types can accept contributions until October 15th)
- June 15th: Quarterly payments due
- August 15th: Deadline for submitting 1065/1120 filing documentation to the office for returns on extension
- September 15th: Filing deadline for 1065/1120-S returns on extension
- September 15th: Quarterly payments due
- September 15th: Deadline for submitting 1040/1120 filing documentation to the office for returns on extension
- October 15th: Filing deadline for 1040/1120 returns on extension
- November: E-filing Season Ends (Date varies annually)
- December 15th: Quarterly payment due – corporations
- December 31st: Deadline for charitable giving for calendar year
- Some deadline dates vary if they fall on a weekend or a holiday.