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Senior Tax Exemption

Senior Homestead Property Tax Exemption

The Colorado Constitution establishes a property tax exemption for qualifying senior citizens, surviving spouses of senior citizens who previously qualified, and for Disabled Veterans.
If you wish to apply for the exemption, and will qualify as of January 1, 2021, and wish to receive a form to fill out, you may have your name added to our mailing list by calling our office at 303-441-3530, or emailing .


The deadline for 2021 applications is July 15.

Effect on Taxes

  • The exemption goes into effect for tax year 2021.
  • The discount will first appear on the tax bill sent in January 2022.
  • The exemption remains in effect until a disqualifying event occurs, such as:
    • Sale of property
    • Property is moved into a trust, LLC or other legal entity, or
    • Surviving Spouse, or
    • Home destroyed by a natural disaster


To qualify to apply for the 2021 tax year (payable in 2022), seniors:

  • Were born on or before January 1, 1956, and
  • Lived in the home continuously starting before January 1, 2011, and
  • Owned the home continuously starting before January 1, 2011.

Exemption Amount

For those who qualify, 50 percent of the first $200,000 in actual value of their primary residence is exempted, for a maximum exemption amount of $100,000 in actual value. The State of Colorado pays the property taxes on the exempted value.

Instructions & Application Forms

Applications are also available at the Assessor’s office, senior centers and other locations.

If you have any questions, please email .

Contact Us

Due to COVID-19, all Assessors Office sites are closed for business until further notice. Please call or email us with your questions during our normal business hours.

Phone: 303-441-3530 option 1
Fax: 303-441-4996

Business Personal Property
Phone: 303-441-3530 option 2
Fax: 303-441-1783


Schedule a meeting

Mailing Address
Main: PO Box 471
Boulder, CO 80306-0471


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