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Treasury Division

Denver Relief Effort Updates

2020 Business Personal Property Declaration Filing Deadline Extended to June 15, 2020 — read more here

15% late penalty waived for sales and use, OPT, seat taxes — read more here

In-Person Taxpayer Services Limited

People calling Taxpayer Services may experience long wait times due to the reduction of in-person service availability.
Please email with your message and we will return your questions electronically or schedule to return your call at our earliest opportunity. Reminder: the 15% late penalty has been waived for sales and use, occupational privilege (OPT), and facility admissions development (seat) taxes — read more here.

Online services:

  • Excise tax transactions (Sales, Use, Lodgers, OPT, TBT, E911, TID), including account registration, tax return filing, and tax return payments can be made at

  • Real estate property taxes or business personal property tax payments can be made at

Mail and Drop-Off Box options: 

  • Excise tax returns and payments and property tax payments can be mailed to the addresses printed on the returns

Cash payments are suspended until further notice. Credit card payments may be made online using the links listed above.

Learn more about the City and County of Denver’s response to COVID-19.

The Treasury Division collects, records, and deposits all City and County of Denver taxes and other City revenues, and ensures compliance with all applicable tax law.

The primary activities of the division include:

  • Comprehensive and complete responsibility for all property and excise taxes
  • Billing, payment processing, reconciliation, tax compliance, tax collection, tax auditing
  • Taxpayer education

Explore our FAQ page for commonly-requested information on property taxes, business taxes, e-911 and other Treasury functions.


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Did you receive a 1099 form from the City and County of Denver?

For questions regarding a 1099 issued by the City and County of Denver, email us at


Property Tax

Pay your property taxes online, make payments for service lien, maintenance district, and local improvement project fee payments, find out when property tax payments are due, search for real and personal property tax records, and find the methods of payment accepted by the City and County of Denver.


Business Tax Information

File and pay your taxes online, find out about the various business taxes that the City and County administers and collects and obtain registration forms and tax returns.


Refund payments to senior and disabled citizens

Find out if you qualify, download the application, and locate available help. The program is available for qualifying Denver residents who are income limited and:

  • 65 years of age or older, and/or
  • totally disabled.


201 W. Colfax Ave.
Department 1009
Denver, CO 80202

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Treasury Division

Taxpayer Service Unit:
Property Tax: 720-913-9300
Excise Tax: 720-913-9400

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