Yes, California law requires residents to have qualifying health insurance, or they may face a penalty when filing their state tax return, unless they qualify for an exemption. This is known as the individual mandate.
A flat amount based on household size: For the 2025 tax year, this is at least $900 per adult and $450 per dependent child under 18. A family of four would face a penalty of at least $2,700 for a full year without coverage.
A percentage of household income: 2.5% of your gross household income over the state tax filing threshold.
Not everyone has to pay the penalty. You may qualify for an exemption if you meet certain criteria, such as:
Your household income is below the state tax filing threshold.
You experienced a short coverage gap of three consecutive months or less.
The cheapest available coverage (including through your employer or Covered California) would cost more than a certain percentage of your income (7.28% for 2025).