Douglas County Assessor
Douglas County Senior Property Tax Exemption is available to homeowners in Castle Rock, CO.
Colorado senior property tax exemption provides 50% reduction on the first $200,000 of actual value for homeowners age 65+ who have owned and occupied their property for 10+ consecutive years. Application required every two years.
Exemption reduces property tax bill by approximately 50% on qualified value
Verified against Douglas County Assessor's official page on 2026-06-17.
Data last verified 2026-06-09. How we verify our data.
In Castle Rock, CO, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Castle Rock, CO can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Apply by July 15 for current tax year
Ask us. It is free, and a real person answers within a business day.
Email us about this program50% exemption on first $200,000 of value.
Douglas County Senior Property Tax Exemption is open to homeowners in Castle Rock, CO. It has no income limit. It serves seniors.
Apply directly with Douglas County Assessor using the official program link on this page or call (303) 660-7450. There is no middleman and no fee. Deadline: Apply by July 15 for current tax year.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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