DOR Taxation web site

Local Taxes by Address

Find Local Taxes by Address
The following list of electronic database address providers are currently certified by the department. Taxpayers who use these certified databases will not be liable for sales and use taxes otherwise owed to the State of Colorado and state-collected municipalities, counties and special districts if the database incorrectly designates the location of a sale, storage, use or consumption of taxable property or services.

Participating Home-Rule Cities and Counties
Arvada, Aurora, Boulder, Brighton, Denver, Longmont, Northglenn, Silverthorne, Westminster, Wheat Ridge, and Woodland Park have enacted ordinances that hold taxpayers harmless if they rely on these certified databases.  For links to a local governments see the Colorado Department of Local Affairs, Active Colorado Municipalities


Certified Electronic Address Databases 

CoreLogic Spatial Solutions
Pitney Bowes Software

Find Tax Rates by Address

Go to: CoreLogic

Find Tax Rates by Address

Go to: Pitney Bowes Software  

Local Government Access:
Local governments can contact CoreLogic Spatial Solutions at the telephone number or e-mail address below to obtain access.


Local Government Access:
Local governments can contact Tony Burton at the telephone number or e-mail address below to obtain access.

More Information

Local government contact: 
Phone: 800.447.9959 x8120

Effective Date of Certification: Aug. 1, 2007
Expiration Date of Certification: 
 October 31, 2014
System Identification: Site-US Tax, CO DOR version #2.0 (Installable version).


More Information  

4750 Walnut Street, Suite 200
Boulder, CO 80301
Contact: Tony Burton
GeoTAX Product Manager

System Identification: GeoTAX 5.0.1, located at Boulder, Colorado.
Effective Date of Certification: Aug. 10, 2007
Expiration Date of Certification: October 31
, 2014


Designated Verifier

The Department designated the following person to act as the verifier and who will determine the accuracy of the database.

Bill Thoen
1401 Walnut St., Suite C
Boulder, Colorado 80302
(303) 786-9961

Please note that by clicking on any of these links, you will leave the Colorado Department of Revenue Web site and enter a privately owned Web site created, operated and maintained by a private business. The Colorado Department of Revenue is not endorsing its products, services, or privacy or security policies. We recommend you review the business's information collection policy or terms and conditions to fully understand what information is collected by this private business.