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- What is the difference between 1040, 1040A or 1040EZ?
- What is a 1099 form?
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Colorado (CO) State Income Tax Return Forms, Free EFiling and Government Information
Colorado State Tax Filing Information
Use eSmart Tax to prepare and efile your Colorado state tax return. Our easy-to-use system will help you finish the forms that are required by the Colorado department of Revenue for your CO state taxes. You can prepare and efile your full-year resident Colorado state tax return and your federal tax return at the same time!
The regular due date for filing your Colorado state taxes is April 15.
On this page, you will find information about Colorado state tax forms, state tax filing instructions, and Colorado department of Revenue information.
|eSmart Tax supports the following Colorado Tax Forms (Click here to download Colorado tax forms)|
|Colorado Form 104
Individual Income Tax Return
|Colorado Form 104CR
Credits - for Individuals
|Colorado Form DR 0900
Individual Income Tax Payment Voucher
|Colorado Form DR 8453
State of Colorado Individual Income Tax Declaration for Electronic Filing
|DR-8454||Do not mail in DR-8454. Keep it for your own record.|
|State CO Website and Contacts|
|Taxpayer Assistance:||(303) 238-7378|
|Refund Status:||(303) 238-3278|
|Supported||State assigned||Only required for PC filers. eSmartTax users are not required to obtain a PIN.|
|State AR Amount Owe Payment Option|
|You have the following options to pay your tax:
|State AR Overpayment Option|
|You have the following options:
|State-only tax return:||Supported|
|Return with foreign address:||Supported|