California Health Insurance Guide

Health Insurance Overview in California

California operates Covered California, one of the most successful state-based health insurance marketplaces in the nation. California expanded Medi-Cal (Medicaid) and has gone further than federal requirements by extending Medi-Cal to all income-eligible adults regardless of immigration status. California also provides additional state subsidies on top of federal ACA subsidies, making coverage more affordable for middle-income residents.

Average Health Insurance Costs in California

Health insurance premiums in California vary significantly based on age, plan type (Bronze, Silver, Gold, Platinum), insurer, and income-based subsidies. The figures below represent estimated 2026 benchmark premiums before ACA subsidies for a 40-year-old individual and family of four.

Coverage Type	Monthly Premium	Annual Premium
Individual (benchmark Silver)	$512/mo	$6144/yr
Family of Four (benchmark Silver)	$1,468/mo	$17616/yr
Avg. Annual Deductible	$4,200

Premiums shown are before ACA subsidies. Most marketplace enrollees receive premium tax credits that significantly reduce these costs. Use our Health Insurance Calculator to estimate your net premium after subsidies.

Marketplace Enrollment in California

California residents can enroll in individual and family health insurance plans through Covered California (State-Based). Open enrollment runs November 1 – January 31 (Covered California). Outside of open enrollment, a qualifying life event (job loss, marriage, birth of a child, move to a new state) triggers a Special Enrollment Period during which you can enroll or change plans.

Average Premiums by City in California

Health insurance premiums vary by location within California, reflecting local healthcare costs, provider availability, and insurer competition. The following estimated monthly individual premiums are based on a benchmark Silver plan for a 40-year-old non-smoker.

City	Est. Monthly Premium (Silver, age 40)
Los Angeles	$535/mo
San Francisco	$555/mo
San Diego	$498/mo
Sacramento	$485/mo
Fresno	$468/mo
Oakland	$542/mo
San Jose	$528/mo

Medicaid in California

Medi-Cal (California Medicaid) covers adults with incomes up to 138% of the federal poverty level, regardless of immigration status. California has expanded coverage significantly beyond federal requirements.

Children's Health Insurance (CHIP) in California

Medi-Cal covers children up to 266% of the federal poverty level. Children under 19 may also be eligible regardless of immigration status.

What Makes California Unique

California extended Medi-Cal eligibility to all income-eligible adults regardless of immigration status, making it one of the only states to provide full-scope Medicaid to undocumented immigrants. California also provides state-funded premium subsidies for residents with incomes between 400-600% of the federal poverty level — a population that receives no federal subsidy — making California's marketplace uniquely affordable for middle-income residents.

ACA Subsidies: What California Residents Should Know

Premium tax credits (subsidies) are available for California residents who purchase coverage through the marketplace and have incomes between 100% and 400% of the federal poverty level (or higher in states with additional state subsidies). The subsidy amount is based on the cost of the benchmark Silver plan in your area and your income. For 2026, the enhanced subsidies first enacted in the American Rescue Plan have been extended, providing more substantial assistance across a broader income range than before.

Cost-sharing reductions (CSRs) provide additional savings on deductibles and copays for those who enroll in Silver plans with incomes between 100-250% of the federal poverty level. Silver plans with CSRs often provide Gold or Platinum-level value at Silver premiums, making them the best value for eligible enrollees.

Tips for Choosing Health Insurance in California

California residents should enroll through Covered California (not HealthCare.gov) to access state subsidies. California's extended open enrollment (through January 31) and special enrollment periods are more generous than the federal marketplace. Low-income residents should apply for Medi-Cal, which provides comprehensive coverage with minimal cost-sharing.

• Enroll during open enrollment (November 1 – January 31 (Covered California)) — missing the deadline means waiting until the next open enrollment unless you have a qualifying life event.
• Check both Medicaid eligibility and marketplace subsidy eligibility — your income determines which program you qualify for.
• Don't just compare premiums — also compare deductibles, out-of-pocket maximums, and whether your doctors are in-network.
• Silver plans with cost-sharing reductions (for incomes 100-250% FPL) typically offer the best overall value despite higher premiums than Bronze plans.
• Use our Health Insurance Calculator to estimate your total annual cost (premium + expected out-of-pocket) for different plan options.

The information on this page is provided for general informational purposes only and reflects estimated industry averages and program eligibility rules as of 2026. Health insurance premiums, Medicaid eligibility thresholds, marketplace options, and program rules change annually. Always verify current eligibility and enrollment options at the official Covered California (State-Based) or by contacting a certified navigator or broker. Premium figures shown are approximations before subsidies — actual net premiums depend on individual income, household size, and plan selection.