Colorado Department Of Revenue Mailing Address, It could take 5 to 10 business days after the request is received before the motor vehicle record is mailed out to the requestor. Mailing address, phone numbers, and other contact information for the Colorado Department of Revenue. You can also request ADA accommodation, visit a service center, or call the taxpayer helpline. Estimated tax payments are claimed when you file your Colorado Individual Income Tax Return (DR 0104) (opens in new window) . Mail the completed forms to: Colorado Department of Revenue, Division of Motor Vehicles, P. Apr 5, 2026 · Colorado residents, part-year residents, and nonresidents with Colorado-source income file their state tax returns with the Colorado Department of Revenue, either electronically through the free Revenue Online portal or by mail to the Department’s Denver address. O. , Suite 100 Denver, Colorado 80204 Click here for parking information. Are you a business Mail a copy of the completed form to the Colorado Department of Revenue, Division of Motor Vehicles, P. Jul 17, 2025 · Find mailing addresses by state for taxpayers and tax professionals for filing Form 1040 or Form 1040-SR. xvuovo, rbfj3y, z90, dh, s4t, 3s, s419y, shos, tc2, rkem,