General Information
Department of Revenue and Taxation Home Page

General Information Phone:
(303) 238-SERV (7378)

Sales Tax Exemption Certificate Verification Phone:
(303) 238-FAST (3278)

Tax Rates by Account, City, or County Phone:
(303) 238-FAST (3278)

Sales/Use Tax Mailing Address:
Colorado Department of Revenue
1375 Sherman Road
Denver, CO 80261-0013

File Your Sales/Use Tax Return Online

Verify a Colorado Sales Tax License Number

 Frequently Asked Questions

Colorado State Statutes

Colorado Tax Regulations

Colorado Revenue Bulletins and Determinations

Look Up Local Sales Tax Rates

Look Up Sales Tax Rates by Retailer's Account Number
Forms
Sales and Use Tax Forms Home Page

Sales Tax Return
Form DR 0100

Special District Sales Tax Return
Form DR 0200

Supplementary Schedule Sales Tax Return
Form DR 0100-1

Supplementary Schedule RTD Sales Tax
Form DR 0100-1R

Consumer's Use Tax Return
Form DR 0252

RTA Consumer's Use Tax Return
Form DR 0251

Retailers Consumer's Use Tax Return
Form DR 0173

Multi-Jurisdiction Exemption Certificate

 Business Registration Application
Form            Instructions

Sales Tax License Renewal Form

Sales Tax Exemption Certificate Application

Direct Pay Permit Application

Refund Claim Form

Power of Attorney
Miscellaneous
Sales and Use Tax Reference Guide

Information on Starting a Business in Colorado

Voluntary Disclosure Program Information










 Directory of State Agencies

Directory of State Employees

Directory of County Websites

Directory of City Websites

Directory of Special District Websites

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