Colorado State and Local Taxes

To access individual state and local taxes, click on the corresponding state below:

Colorado State Taxes

Department of Revenue

Revenue Online - Payments

Colorado Business Taxes

Entity Registration

Sales Tax

General Sales Tax Information

Filing Frequency and Due Date Information

Sales Tax Forms

Corporate Income Tax

General Business Tax Information

Extension Information

Payment Information

Tax Rates (Part 3)

Business Income Tax Forms

Modifications to Federal Income Calculation
(Part 4 and 5)

Pass Through Entities

Pass Through Entity Tax Information

S-Corporation and Partnership General Information

Composite Information

Property Tax

Property Tax Resources

Personal Property

Colorado Individual Taxes

Income Tax

General Information

Due Dates/Extension Information

Individual Forms

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