Reminder

* Individual Income Tax Return

Due Date:

Apr 15 - 1st Due Date

Oct 15 - Only Extension

* Individual Income Tax Estimates

Due Date:

Apr 15 for period (Jan - Mar)

Jun 15 for period (Jan - May)

Sep 15 for period (Jan - Aug)

Jan 15 for period (Jan - Dec )

* Corporate Income Tax Return

Due Date:

Mar 15 - 1st Due Date

Sep 15 - Only Extension

* LLC/Partnership Income Tax Return

Due Date:

Apr 15 - 1st Due Date

Sep 15 - Only Extension

Colorado Payroll Tax Payments Due Dates:

• Apr 30 for period (Jan - Mar)

• Jul 31 for period (Apr - Jun)

• Oct 31 for period (Jul - Sep)

• Jan 31 for period (Oct - Dec)

• For Monthly Filers 15th day of the following month

Payroll Tax Return Due Dates:

• Apr 30 for period (Jan - Mar)

• Jul 31 for period (Apr - Jun)

• Oct 31 for period (Jul - Sep)

• Jan 31 for period (Oct - Dec)

* Federal Payroll Tax Payments

For Monthly Filers:

The 15th of the following month

For Semi-Weekly Filers:

Payday on Wed/Thur/Fri

following Wednesday

Payday on Sat/Sun/Mon/Tue

following Friday

* Sales Tax Returns

Due Date: 

Apr 20 for period (Jan - Mar)

Jul 20 for period (Apr - Jun)

Oct 20 for period (Jul - Sep)

Jan 20 for period (Oct - Dec)

For Monthly Filers 20th day of the following month

* W2's/1099's

Due Date: Jan 31 Annual (mailed to recipient)