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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.

Get information on or pay Business Taxes including sales, use, and occupational privilege tax.

After you create your own User ID and Password for the income tax account, you may file a return through Revenue Online. If you have more than one business location, you must file a separate return in Revenue Online for each location. For additional e-file options for businesses with more than one location, see Using an Approved Sales Tax Software or Multiple Location Filers below.

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For assistance, please call 303-441-3051 or email [email protected]. ... Visit the Boulder Online Tax System portal.

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Line 3G Enter receipts from sales to charitable or governmental organizations ... Denver tax was previously remitted.

Mail: 201 W. Colfax Ave., Dept 403, Denver, CO 80202 · 2. Pay sales/use tax on the tangible personal property (furniture, fixtures, equipment and

June 16, 2025 - Enter a U.S. address to find the exact sales tax rate, powered by TaxCloud's Sales Tax API. ... Denver has a combined sales tax rate of 8.81%. In Colorado, the sales tax rate is composed of multiple components:

2 weeks ago - Up to date Denver sales tax rates and business information for 2025. Learn how to register, collect taxes, do returns, file, and more.

Need more rates? Get immediate access to our sales tax calculator. AvaTax offers street-level precision at the point of sale, eliminating the need to look up rates or maintain a database.

Please email the Sales Tax Division or call 303.805.3228 for your businesses unique PIN.

The official website of the City and County of Denver. Report issues, chat with Sunny and get help with city services.

Town Of Castle Rock Sales Tax Portal menu · Home · Application · Tax Returns · Forms · Register/Sign in · View your account balance · Apply for a new sales tax license · File your sales tax return · License Renewal ·

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