Colorado Tax Forms and Links
Find commonly requested Colorado Tax Forms, useful links, and downloads available for bookkeeping, taxes, and payroll services.
Tax Related Links
- Download Tax Forms
- Check your Refund Status Federal
- Check your Refund Status Colorado
- IRS Withholding Calculator
- IRS Small Business & Self-Employed Information
- File your Colorado Unemployment Report on line
- Pay 941 deposits on line
- Larimer County Personal Property Tax for Businesses
- Larimer County Property Tax
- Weld County Property Tax
- City of Fort Collins Sales Tax
- Valuation of Non-Cash Donations
- Federal Tax ID Application
- Help Figuring your Federal Withholdings
- Federal Income Tax Estimator
Other Items of Interest
- Business Entities, Business Entity Selection
- QuickBooks
- Social Security
- Colorado Department of Revenue
- Colorado Secretary of State – Business Section
- Fort Collins Chamber of Commerce
- Financial Information
Commonly Requested Tax Forms
| TOPIC | FORM |
|---|---|
| Employer’s Tax GuideEmployer’s Tax Guide | Pub. 15 |
| Employment Eligibility | I-9 |
| TIN Request Form | W-9 |
| Employee Withholding | W-4 |
| Colorado Business Registration | CR 0100 |
| Federal Tax ID | SS-4 |
| Form 8332 | Release of Claim for Dependent |
