Colorado Taxes

Colorado Tax Guide

Colorado Personal Income Tax

Unlike other states in the U.S., the state of Colorado charges a uniform income tax rate of 4.63 percent, irrespective of the level of income.  According to the Colorado tax guide, the due date for filing returns is April 15.  If this falls on a holiday or a weekend, the next working day is the due date.  Electronic filing of returns is possible.

Colorado Sales Tax

In case of sales tax, Colorado charges 2.9 percent tax on retail sales.  Earlier, taxable products and services were limited to a few items.  But because of budgetary needs, more and more additions are being made to the taxable list.  Of course, counties and districts might charge their own taxes which increase the overall tax rate.  One can find the applicable rate by using the Colorado Revenue Department’s online tool.

Colorado Property Tax – Personal and Real

All business property, both personal and real estate is taxable in this state.  Furniture, equipment and computers are a few items that are considered as personal business property as they contribute to income generation.

Each county has an assessor who reviews property value.  The assessor uses any of three approaches – market, income and cost.  The tax is calculated as a percentage of the property value that is, rate multiplied by value.  The responsibility of collecting the property tax lies with the county treasurer.

One can clarify doubts by calling the property tax office or checking on the county’s website.

Taxpayers with income on the lower side, the aged and the disabled are offered rebate on property taxes, for which they have to fill a form 104PTC.

There is no tax on intangible property.

Colorado Inheritance Tax and Estate Tax

According to the Colorado tax guide, there is no tax on estates of people who have died after December 31, 2004.  However the state levies a tax on the income of estates. This tax called fiduciary income tax is charged at 4.63 percent, the income tax rate.  Even those estates which are not based in Colorado but source at least a part of the income from the state also have to file a return.

Earlier when people transferred their property rights to others in the form of gifts, there used to be a gift tax levied.  But there are no taxes for transfers effective from 1980.

Colorado Some Other Facts

The Colorado tax guide also states that income money which is contributed to any of the stipulated charitable programs is exempt from tax.  The U.S. state was first to introduce such a program. 

Prior Year Colorado 104 Individual Income Tax Forms

2007 2008 2009 2010

Where to Mail FEDERAL IRS Tax Forms Within Colorado

IRS Form If you ARE NOT Enclosing a Payment, Use This Address: If you ARE Enclosing Payment, Use This Address:
1040: Department of the Treasury
Internal Revenue Service
Fresno, CA  93888-0002
Internal Revenue Service
P.O. Box 7704
San Francisco, CA 94120-7704
1040A: Department of the Treasury
Internal Revenue Service
Fresno, CA  93888-0015
Internal Revenue Service
P.O. Box 7704
San Francisco, CA 94120-7704
1040EZ: Department of the Treasury
Internal Revenue Service
Fresno, CA  93888-0014
Internal Revenue Service
P.O. Box 7704
San Francisco, CA 94120-7704

Colorado Tax Help

Customer Support:
(303) 238-7378

TeleFile (Individual Income Tax):
(303) 238-FAST (3278)

Colorado Springs
719-592-0225
Fort Collins 970-282-7950
Grand Junction 970-243-0664
Pueblo 719-542-2681
Other Areas 877-835-3453

Hearing or Speech Impaired:
TTY Telephone Users:
1-800-659-2656
Voice Telephone Users:
1-800-659-3656