How to Pay Colorado State Taxes

Paying taxes is an essential obligation for all taxpayers. In Colorado, the state government levies taxes on individuals and businesses to fund various services and public goods. If you are living or doing business in Colorado, you are required to pay state taxes on your income, property, and other taxable assets.

In this article, we will discuss how to pay Colorado state taxes, the different tax forms you may need to fill out, and the various payment methods available to taxpayers.

how to pay colorado state taxes

Understanding Colorado State Taxes

Colorado state taxes are levied on various sources of income, including wages, salaries, tips, and self-employment earnings. The state has a flat income tax rate of 4.55%, which means that all taxpayers pay the same rate regardless of their income level.

In addition to income taxes, Colorado also charges property taxes on real estate and personal property owned by individuals and businesses. The exact rate of property tax varies depending on the location and value of the property.

Filing Your Colorado State Tax Return

To get started with how do I pay my state income tax colorado, you need to file a tax return with the state government. The tax return is a document that shows your income and deductions for the tax year and calculates the amount of tax you owe to the state.

Colorado state taxes are due on April 15th each year, which is the same deadline as the federal income tax return. If you are unable to file your tax return by the deadline, you can request an extension until October 15th.

To file your Colorado state tax return, you need to use the appropriate tax form based on your filing status and income level. The most common tax form used by individuals is the Colorado Individual Income Tax Return (Form 104). This form is used to report your income, deductions, and credits for the tax year.

If you are self-employed or own a business in Colorado, you may need to file additional tax forms, such as the Colorado C Corporation Income Tax Return (Form 112) or the Colorado Partnership or S Corporation Tax Return (Form 106).

Payment Methods for Colorado State Taxes

Once you have completed your Colorado state tax return, you need to pay the amount of tax you owe to the state government. The Colorado Department of Revenue offers several payment methods for taxpayers, including:

How to Pay Colorado State Taxes Online

The easiest and fastest way to pay your Colorado state taxes is by using the state’s online payment system. You can use a credit card, debit card, or electronic check to make your payment. To pay online, go to the Colorado Department of Revenue’s website and follow the instructions.


The Tax Colorado Gov Pay website offers users 4 ways to make a payment on their taxes.  

how to pay colorado state taxes online

How to pay your Colorado state taxes online

To make a payment online users have 2 available options which are paying by electronic funds transfer (EFT) or paying by credit/debit card/electronic check.  

You can make your selection in the website and proceed with entering in your bank account information for electronic debiting or entering your credit/debit card info.

Pay By Mail

If you prefer to pay by mail, you can send a check or money order to the Colorado Department of Revenue. Make sure to include your name, address, and Social Security number or tax ID number with your payment. Mail your payment to:

Colorado Department of Revenue
Denver, CO 80261-0008

Pay In Person

You can also make a payment in person at one of the Colorado Department of Revenue’s taxpayer service centers. Bring your payment and your tax return to the center and pay by cash, check, or money order. To find a taxpayer service center near you, go to the Colorado Department of Revenue’s website.

Make Automatic Payments

If you prefer to make your payments automatically, you can sign up for the state’s Electronic Funds Transfer (EFT) program. This program allows you to authorize the state government to debit your bank account for the amount of tax you owe on a regular basis.

Visit Electronic Funds Transfer | Department of Revenue – Taxation (

What Happens If You Don’t Pay Colorado State Taxes?

Paying your taxes is a legal obligation in Colorado, and failure to do so can result in serious consequences. If you don’t pay your state taxes on time, you can face fines, interest, and even legal action. Here are a number of consequences of not paying Colorado state taxes:

Late Payment Penalties and Interest

If you fail to pay your Colorado state taxes on the due date, you will be charged a late payment penalty of 2% of the unpaid tax amount. In addition, interest will accrue on the unpaid amount at a rate of 0.5% per month until the balance is paid in full. 

Collection Efforts

If you continue to neglect your tax obligations, the Colorado Department of Revenue can take legal action against you to collect the unpaid amount. This can include wage garnishment, bank account levies, and property liens. 

Loss of Business License

If you are a business owner and fail to pay your state taxes, you may lose your business license. 

Legal Action

If you still don’t pay your state taxes despite collection efforts, the Colorado Department of Revenue can take legal action against you. This can result in a lawsuit and possible criminal charges, including tax fraud or evasion. 

Credit Score Damage

If you have unpaid state taxes, it can damage your credit score. The Colorado Department of Revenue can report your unpaid tax debt to credit reporting agencies, which can negatively affect your credit score. 

Wrap Up

Paying Colorado state taxes is an important obligation for all taxpayers. By understanding the different tax forms and payment methods available, you can ensure that you pay your taxes on time and avoid penalties or interest charges. If you have any questions or need assistance with your tax return, you can contact the Colorado Department of Revenue for help.

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