Stage 1 fire restrictions, enacted for unincorporated areas of western Boulder County.

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 qualified as of January 1, 2024, and wish to receive a form to fill out, you may call our office at 303-441-3530, or email .


The application deadline has passed. We will be accepting late application through August 15th. Applications can be found below under Application Forms & Instructions.

Effect on Taxes

  • The exemption goes into effect for tax year 2024.
  • The discount will first appear on the tax bill sent in January 2025.
  • 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 2024 tax year (payable in 2025), seniors:

  • Were born on or before January 1, 1959, and
  • Lived in the home continuously starting before January 1, 2014, and
  • Owned the home continuously starting before January 1, 2014.

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.

Application Forms & Instructions

Confirmation of receipt notification will be sent out within 4 weeks of submittal. We are unable to confirm receipt over the phone. If you do not receive notification after 4 weeks, please contact We appreciate your patience.

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

If you have any questions, please email .

Contact Us


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


Mailing Address

PO Box 471
Boulder, CO 80306-0471

Hours: 7:30 a.m. to 5 p.m.
Closed Friday


Assessor Boulder and Longmont Drop Boxes


1325 Pearl St., 2nd floor
Boulder, CO 80302
Hours: 7:30 a.m. to 5 p.m.
Map and Directions Boulder Location


515 Coffman St., Suite 114
Hours: 7:30 a.m. to 5 p.m.
Monday only
Map and Directions Longmont Location


1755 S Public Road
Hours: 7:30 a.m. to 5 p.m.
Tuesday only
Map and Directions Lafayette Location