Colorado Tax Forms 2018
Printable State CO 104 Form and CO 104 Instructions

Colorado 2018 CO 104 Form and Instructions
Free printable 2018 CO 104 Form and 2018 CO 104 Instructions booklet in PDF format to print, prepare, and mail your 2019 Colorado state income tax return.

Printable Colorado (CO) state income tax form CO Form 104 must be postmarked by April 15, 2019 in order to avoid penalties and late fees. Printable Colorado state tax forms for the current tax year will be based on income earned between January 1, 2018 through December 31, 2018. The Colorado income tax rate for 2018 is a flat 4.63% of your federal taxable income. The Colorado state tax table can be found inside the CO Form 104 instructions booklet below.

Preparation of your Colorado income tax forms begins with the completion of your federal income tax forms. Some of the Colorado state income tax forms require information from your federal income tax return, for example. If you have not done so already, please begin with your federal 1040 using the links above or on the left side navigation. Remember that federal tax forms 1040EZ and 1040A have been discontinued for the 2018 - 2019 filing season.

2018 Colorado 104 Form and Instructions

Full-Year, Part-Year, and Nonresident 2018 Colorado income tax forms can be printed from the Form 104 Instructions booklet link below. Simply save the Form 104 Instructions (CDOR 104 Book) to your computer, then, open and print the pages you need. Open and print all Colorado state tax forms at actual size from within Adobe Acrobat Reader for the best results.

Form 104
Form 104 Instructions (CDOR 104 Book)

Frequently required Colorado tax forms, instructions, schedules, worksheets, and tables.

104AD - Subtractions from Income Schedule
104AMT - Alternative Minimum Tax Schedule
104CR - Individual Credit Schedule
104EP - 2019 Colorado Estimated Tax
104PN - Part-Year/Nonresident Computation Form
104US - Use Tax Reporting Schedule
104X - Amended Return Form and Instructions
DR 158-I - Extension Payment Voucher
DR 0102 - Deceased Taxpayer Claim for Refund
DR 0204 - Estimated Tax Underpayment
DR 0347 - Child Care Expenses Tax Credit
DR 0617 - Innovative Motor Vehicle Credit
DR 0810 - Medical Savings Account
DR 0811 - Catastrophic Health Insurance
DR 0900 - 2018 Colorado Payment Voucher
DR 1059 - Military Spouse Exemption from Withholding
DR 1316 - Capital Gain Affidavit
DR 1317 - Child Care Contribution, Credit Certification
DR 1318 - Child Care Contribution, Unlicensed Organization
DR 1319 - Child Care Contribution, Grandfathered Organization
DR 5714 - Request for Copy of Form Filed

List of all printable CO state income tax forms.

Click any Colorado state income tax form title above to download, view, print, and save the PDF file. The PDF file format allows you to safely print, prepare, and mail in your 2018 Colorado state tax forms.

The Colorado Department of Revenue will expect your 2018 income tax forms to be printed on high quality printers. Today's laser, bubble-jet, or ink-jet printers are generally acceptable. Color printing is not required, however, we recommend that you read the first few pages of the CO Form 104 instructions booklet for updates regarding the printing of your 2018 Colorado state tax forms.

Colorado State Income Tax Refund Status

To check your CO Form 104 income tax refund status online, visit the Colorado Department of Revenue website and use their Check Refund Status service. Colorado Department of Revenue states that if you e-file and request your refund by direct deposit, you should receive your refund within 2-3 weeks. Furthermore, you will receive your refund 1-2 weeks faster than if you request to receive a refund check by mail. Allow 8 to 12 weeks if you mail in a paper Colorado state tax return.

To check your Colorado income tax refund status for 2018 you will need the following information:

  • Social Security Number
  • Refund Amount

The requested information must match what was submitted on your Colorado Form 104 state income tax forms for the current year. You can also request a PIN/Letter ID to make managing your income tax information easier in the future. To look up prior year refunds, you will need to contact the Colorado Department of Revenue service center by phone, secure message, or mail.

To contact the Colorado Department of Revenue service center by phone or email, use the check your refund status link above. Alternatively, view or print the 2018 Colorado Form 104 instructions to obtain the proper phone number and mailing address.

Last updated: April 6, 2019