Department of Revenue Waiving Penalties for Late Income Tax Extension Filings, Sales Tax Payments
DENVER - On Sunday, Gov. Jared Polis declared a disaster in southwestern Colorado because of recent flooding. In response, the Colorado Department of Revenue is offering help to people and businesses affected by the floods.
Denver - September 19, 2025 — The Department of Revenue wants taxpayers to be aware of a new text-based tax scam that is spreading throughout the country, and could target Coloradans.
Recently, the Colorado Department of Revenue received reports of taxpayers in other states being targeted by fraudsters. It is likely that Centennial State residents will receive similar texts.
DENVER (September 10, 2025) – The Colorado Department of Revenue (DOR) today announced the Average Market Rates (AMRs) for retail marijuana effective October 1 through December 31, 2025. These rates are used to help calculate the state's excise tax on retail marijuana.
The AMRs for October 1 through December 31 are:
Denver - Aug. 21, 2025 - Marijuana sales have raised over $3 billion in tax and fee revenue according to Colorado Department of Revenue (DOR) data.
In its monthly marijuana sales and tax revenue report, Department of Revenue figures show that tax revenue since legalization reached $3,012,831,657 after sales in July generated $20,354,753.
Denver - July 17, 2025 - Marijuana sales have raised almost $3 billion in tax and fee revenue according to Colorado Department of Revenue (DOR) data.
In its monthly marijuana sales and tax revenue report, the Department of Revenue’s figures show that tax revenue since legalization reached $2,992,476,904 after sales in June generated $19,639,293.
Denver - June 17, 2025 - The Colorado Department of Revenue (DOR) has released the May marijuana tax and fee revenue figures and March marijuana sales figures.
DENVER (June 6, 2025) – The Colorado Department of Revenue (DOR) today announced the Average Market Rates (AMRs) for retail marijuana effective July 1 through September 30. These rates are used to help calculate the state's excise tax on retail marijuana.
The AMRs for July 1 through September 30 are:
State to send Coloradans information about tax credits they might be eligible to claim
DENVER — This year, Governor Jared Polis, the Colorado Department of Revenue, and the Department of Public Health and Environment collaborated on an innovative initiative to share ways to save money.
Denver, CO – March 12, 2025 – The Colorado Department of Revenue’s Taxation Division, in collaboration with the Colorado Small Business Development Center (SBDC), is excited to announce a Spanish-language version of its Sales Tax Webinar. This initiative aims to support Spanish-speaking business owners and tax professionals in understanding and complying with Colorado tax laws. This initiative addresses multiple requests from Hispanic and Latino chambers of commerce and community organizations.