Fiduciary Income Tax | File Online | Department of Revenue - Taxation

You can file your Fiduciary Income Tax Return online through Revenue Online. However, if you are a first-time Colorado income tax filer, you must file a paper return or through an accepted tax software program. After your first tax return is processed, you may create your own User ID and Password to use in Revenue Online.

Resources Tax Professionals:

Fiduciary Income Tax Services in Revenue Online

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File/amend fiduciary income tax returns
View 1099-Gs (issued by the Colorado Department of Revenue)
View payment history
View account balances
View letters from the Department
Update your account mailing address
Check your refund status (Fiduciary Income Tax)

No Login Required

Submit E-Filer Attachments for income tax returns
File a protest
Add Power of Attorney
Set up Third Party access to your tax account
Make a payment
Check your refund status (Individual Income Tax for Estates)

How-To Videos

How To Set Up Your Revenue Online Account

Requesting a Letter ID

Username Recovery & Password Reset

Step-by-Step Instructions