Coronavirus Disease 2019 (COVID-19) in Colorado: State & National Resources

Locations - Service Centers

Taxpayer Service Center Locations  

All Service Centers Are Temporarily Closed to the Public to Help Prevent the Spread of COVID-19.

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Tax Drop Box Information

A drop box has been placed outside of the Denver Taxation Division Office. You can submit your returns, e-filer attachments, and payments (check or money order only) in that drop box. If you have any questions about the drop box, please call Taxpayer Services at (303) 238-7378 from 8:00 a.m. to 4:30 p.m., Monday through Friday.


1375 Sherman St.
Denver, CO 80261
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Note: There is not free parking at this location. Metered parking and paid parking lots are available on surrounding blocks.