Find Denver Business Tax Rates & Lookup

Taxation and Finance Colorado 3 Minutes Read · published February 07, 2026 Flag of Colorado

In Denver, Colorado, municipal business tax rates and the official lookup tools are maintained by the City and County of Denver Finance/Revenue office. This guide shows where to find the official rate tables, how to use the online lookup or contact the revenue office for account-specific rates, and the steps to register, pay, or appeal assessments. It focuses on Denver-specific sources and practical action steps for businesses and tax professionals.

Where to find rates and the lookup tool

The Office of Finance, Revenue Division publishes guidance and tools for business taxes, including instructions for finding rate schedules and account-specific lookups online.[1] For account questions, payments, or registration the Revenue contact and support pages list submission options and phone numbers.[2]

Use the official Revenue pages first—third-party sites may be outdated.

How to use the lookup and verify your rate

General steps to locate a rate or confirm an account-specific tax:

  • Gather your NAICS code, business address, and account number if you have one.
  • Open the City Revenue business tax page and follow links for rate tables or the lookup tool.[1]
  • If the online lookup is unclear, contact Revenue via the official contact page for account-level confirmation.[2]

Penalties & Enforcement

Enforcement for business tax noncompliance is handled by the City and County of Denver Revenue Division and may include assessment of fines, interest, administrative charges, collection actions, and referral to court or collection agencies. Specific penalty amounts and escalation schedules are not specified on the cited Revenue overview pages; please consult the municipal code or contact Revenue for precise figures and statutory citations.[1]

  • Monetary penalties: not specified on the cited page.
  • Escalation (first/repeat/continuing offences): not specified on the cited page.
  • Non-monetary sanctions: administrative assessments, liens, referral to collections, and court actions are used according to Revenue procedures.
  • Enforcer: City and County of Denver Revenue Division; complaints and audit requests are submitted via the Revenue contact page.[2]
  • Appeals and review: appeal routes are described by Revenue; time limits for filing appeals are not specified on the cited overview and should be confirmed with Revenue or by reviewing the municipal code.
If you receive an assessment, act quickly—appeal deadlines may be short.

Applications & Forms

The Revenue Division provides online registration and payment portals for business tax accounts. Specific form names or form numbers are not listed on the cited overview pages; businesses should use the Revenue registration and contact pages to find current application forms, electronic registration, and submission methods.[1]

Common violations and typical outcomes

  • Failure to register a business with Revenue — administrative assessment and interest.
  • Late payment of tax — interest and possible penalties.
  • Incorrect rate application or misclassification — audit adjustments and additional tax due.

Action steps

  • Gather business identifiers (NAICS, account number, address).
  • Use the official Revenue rate pages or lookup tool to identify applicable rates.[1]
  • Contact Revenue by phone or web form to confirm or appeal a rate or assessment.[2]
  • Pay assessed amounts using the official payment portal to avoid additional penalties.

FAQ

How do I find the official business tax rate for my Denver location?
Start at the City of Denver Revenue business tax pages and use the rate tables or lookup tool; contact Revenue directly for account-specific rates.[1]
Who enforces business tax compliance in Denver?
The City and County of Denver Revenue Division enforces business tax collection and assessments; contact details are on the Revenue contact page.[2]
How do I appeal a business tax assessment?
Follow the appeal instructions provided by Revenue when notified; specific time limits are not listed on the cited overview and should be confirmed with Revenue or the municipal code.[1]

How-To

  1. Gather your business address, NAICS code, and any existing account number.
  2. Visit the City of Denver Revenue business tax page and locate the rate tables or lookup tool.[1]
  3. Enter your business information in the lookup tool or contact Revenue for account-specific confirmation via the contact page.[2]
  4. If you disagree with a rate or assessment, file the appeal or request review following Revenue instructions and keep records of all communications.

Key Takeaways

  • Use Denver Revenue's official pages for current rates and the lookup tool.
  • Contact Revenue directly for account-specific confirmation and appeals.

Help and Support / Resources

  1. [1] City of Denver - Business Taxes
  2. [2] City of Denver - Revenue Contact

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