Assessor’s Office Helps Eligible Seniors Keep Property Tax Relief After a Move — December 2025

Assessor’s Office Helps Eligible Seniors Keep Property Tax Relief After a Move — December 2025

The Boulder County Assessor’s Office reminds qualifying seniors that Colorado’s property tax exemption portability provision allows them to transfer their exemption to a new primary residence within the county. Seniors who have moved should contact the Assessor’s Office to ensure their exemption transfers correctly.

The Louisville Senior Center offers related programming including free legal consultations, tax preparation assistance, health screenings, and social activities. Over 2,645 seniors participated in center programs last year.

Residents in the Louisville area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Parks & Open Space at (303) 441-1084 to verify eligibility and requirements.

What You Need to Know

Historical context: Boulder County was established in 1861 and covers 741 square miles of diverse terrain from the Great Plains to the Continental Divide. The county’s population of approximately 330,000 residents is served by 2434 county employees across 43 departments and offices.

The application deadline is April 24, 2026. Late applications will be accepted on a space-available basis. Incomplete applications will be returned with a list of missing items. Average review time is 23 business days.

How to Participate

Wildfire risk mapping conducted by Wildfire Partners shows that 15% of properties in the Louisville area are within the wildland-urban interface. Free home assessments are available through the Wildfire Partners program, with rebates of up to $2,500 for mitigation improvements.