Plans Available in Castle Rock
Marketplace health insurance in Castle Rock is offered by: BCBS of Colorado, Kaiser Permanente, Cigna, Oscar Health. The leading carrier in the Castle Rock area is BCBS of Colorado. Available plans and exact premiums depend on your ZIP code, age, and household income.
Hospitals and Health Systems in Castle Rock
- Sky Ridge Medical Center (HCA)
- Parker Adventist Hospital (Centura)
Verify that your preferred hospital is in-network before selecting a plan. Use each carrier's online provider directory or call the plan's member services number.
ACA Subsidies and Medicaid
If your household income is between 100% and 400% of the Federal Poverty Level (approximately $15,650 to $62,600 per year for a single adult in 2026), you likely qualify for premium tax credits that reduce your monthly premium. Medicaid available year-round for income-eligible adults (138% FPL or below).
How to Enroll
Open Enrollment runs November 1 through January 15 each year. If you have a qualifying life event (job loss, move, marriage, new baby), you have a 60-day Special Enrollment Period. An independent, licensed broker can compare every plan available in your Castle Rock ZIP code at no cost to you.
How Residents in Castle Rock Buy Coverage
Colorado does not use HealthCare.gov. Castle Rock residents enroll through Connect for Health Colorado, the state-based exchange, which publishes its own carrier list and county-level rates each autumn. Deadlines and special enrollment rules can differ from the federal marketplace — confirm current dates on Connect for Health Colorado before enrolling.