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Income & Property Tax

This section outlines the general income tax laws that you will encounter when you own your own business. For more specific information, you should contact the Internal Revenue Service at 800-829-1040 or and the Colorado Department of Revenue at 303-238-SERV or

For Your Information

  • Businesses with more than $200,000 of annual employment tax obligations and $50,000 in Colorado State withholding have been required to make electronic payments since July 1, 1999. All business may be required to use the electronic system sometime in the future. For more information of EFTPS (Electronic Federal Tax Payment System), call the IRS at 800-555-4477.
  • For more information on federal taxes, contact the IRS at
  • For more information on Colorado income taxes, contact the Colorado Department of Revenue at 303-238-SERV
  • Property taxes are due on Real Estate and Personal Business Property
  • The IRS’s Small Business Tax Education Program (STEP) is a cooperative program with Small Business Development Centers are other local organizations to provide business tax education to the small business owner
  • Check into the IRS STEP in your area and take the first STEP to Making Your Taxes Less Taxing! Assistance is only a phone call away at 800-829-1040

If your business is a corporation located or “doing business” in Colorado, it is subject to state and federal corporate income taxes.

If your business is a general partnership, limited partnership, limited liability company, limited liability partnership, limited liability limited partnership or a limited partnership association, you must file state and federal partnership income tax returns.

Franchising offers a unique opportunity for individuals interested in operating a business. It allows you to both own and operate a business while drawing from the resources of the parent company.

Property taxes are assessed on any real and/ or personal property (land, buildings, furniture, equipment, etc.), which directly or indirectly produce income within your business.

Your employer must withhold and submit to the IRS your federal income tax withheld and your portion of Social Security (FICA) and Medicare taxes withheld. Your employer is also responsible for paying state and federal unemployment taxes (SUTA and FUTA).

The businesses you work for do NOT withhold or pay taxes on your behalf.

An Enterprise Zone is defined as an economically lagging area of Colorado in which special tax incentives are offered to businesses that expand or locate in the zone.