All State Offices will be closed on Monday, November 11, in observance of Veterans Day.

 
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Contact the Excise Tax Unit

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Email: DOR_ExciseTax@state.co.us

Phone: (303) 205-8287

Web Message:    

Hours of Operation:

Mailing Address:
Colorado Department of Revenue
Excise Tax Unit, Room 237
P.O. Box 17087
Denver, CO 80217-0087
 
Excise Tax Return Mailing Address:
Colorado Department of Revenue
Denver CO 80261-0009