What Is Cal-COBRA? Eligibility, Costs, and Coverage

Cal-COBRA is a California law that lets employees of small businesses keep their group health insurance after losing it through a job loss, reduced hours, divorce, or other qualifying event. It covers workers at employers with 2 to 19 employees, filling the gap left by federal COBRA, which only applies to employers with 20 or more. Coverage can last up to 36 months, but you pay the full premium yourself, plus an administrative surcharge.

Who Qualifies for Cal-COBRA

Cal-COBRA applies to employers who had 2 to 19 eligible employees on at least 50 percent of their working days during the preceding calendar year or quarter.¹ If your employer had 20 or more workers, federal COBRA governs instead, and Cal-COBRA can later extend that federal coverage.

You also had to be enrolled in the employer’s group health plan when the qualifying event occurred. The events that trigger eligibility include:²

Losing your job or having your hours cut below the plan’s eligibility threshold, whether you quit or were let go. Termination for gross misconduct is the one exception.
Divorce or legal separation, which lets a covered spouse or domestic partner continue coverage on their own.
Death of the covered employee, with surviving dependents remaining eligible.
The employee becoming entitled to Medicare, which can leave dependents eligible for continuation.
A child aging out of dependent status (typically at 26).

The Gross Misconduct Exception

If you were fired for gross misconduct, your employer isn’t required to offer continuation coverage to you or your dependents. Neither federal COBRA nor Cal-COBRA defines the term in statute, so it turns on the facts. Poor performance or excessive absences generally don’t rise to that level; think theft, violence, or fraud.³ If an employer invokes the exception, the burden is on them to justify it.

How Long Cal-COBRA Lasts

The maximum is 36 months from the date your employer coverage would have ended, and that 36-month cap includes any time spent on federal COBRA.¹ How that works depends on how big your employer was:

If your employer had 2 to 19 employees, you go directly onto Cal-COBRA and can stay for up to 36 months.
If your employer had 20 or more employees, you start with 18 months of federal COBRA, then can elect Cal-COBRA for up to 18 additional months, hitting the same 36-month ceiling.

If the Social Security Administration determines that you or a covered family member is disabled, federal COBRA can be extended by 11 months, for a total of 29. The disability must have existed during the first 60 days of COBRA or before the qualifying event, and you need to notify the plan administrator before the original 18 months run out.⁴ Cal-COBRA can then carry you to the 36-month maximum. Premiums during a disability extension can rise to 150% of the plan’s cost.⁵

What Cal-COBRA Costs

Expect sticker shock. While you were employed, your employer likely paid a substantial share of your premium. Under Cal-COBRA, that whole cost shifts to you, plus a surcharge.

Federal COBRA caps premiums at 102% of the total plan cost: the combined employer and employee share, plus a 2% administrative fee.⁵ Cal-COBRA premiums can run higher, especially when the employer’s group rate isn’t calculated on an age-adjusted basis. During the Cal-COBRA extension period that follows federal COBRA, the administrative surcharge is 10% rather than 2%, so premiums reach 110% of the group rate. In practical terms, if your employer was paying $600 a month toward your coverage and your share was $200, your Cal-COBRA premium could be $800 or more.

If you have a Health Savings Account, the IRS treats COBRA and Cal-COBRA premiums as qualified medical expenses for HSA withdrawal purposes while you’re receiving unemployment compensation. That’s one of the few situations in which insurance premiums qualify for tax-free HSA distributions.

What’s Covered, and What Isn’t

Your Cal-COBRA coverage mirrors the medical benefits active employees receive under the same group plan. Deductibles, copays, and coverage limits stay the same, and if your employer switches plans or changes benefits for current workers, your coverage changes with it.¹ You also get access to any open enrollment periods available to active employees.

The notable gap is specialized dental and vision plans. Federal COBRA requires your employer to offer continuation of those plans if they were part of your group benefits, but when you transition from federal COBRA onto a Cal-COBRA extension, specialized dental and vision plans don’t have to be offered. The same exclusion applies if you’re on Cal-COBRA from the start.⁶ If you rely on those benefits, budget separately for individual dental and vision coverage. Non-medical benefits such as life insurance, disability insurance, and dependent care FSAs are also excluded from continuation.

How to Enroll and Pay

After a qualifying event, your employer has 30 days to notify the health plan in writing. For events the employer wouldn’t automatically know about, like a divorce or a child aging out, you have 60 days to tell the employer so the process can start.

Once you receive the election notice, you have 60 days to decide. Each qualified family member can make an independent election, so a spouse can enroll even if the former employee doesn’t.² If you elect coverage, it’s retroactive to the date you lost your employer plan, so there’s no gap as long as you pay the premiums for that interim stretch.

Your first premium payment is due within 45 days of electing coverage, and it typically covers the retroactive period plus the current month.¹ After that, monthly premiums are due on the first of each month, with a 30-day grace period. Miss the grace period and your coverage is canceled retroactively to the end of the last month you paid for, with no reinstatement.²

Cal-COBRA or Covered California?

Losing your employer coverage or exhausting Cal-COBRA opens a special enrollment period to buy a plan through Covered California, the state’s health insurance marketplace. You generally have 60 days from the loss of coverage to enroll.⁷ One important catch: letting Cal-COBRA lapse by missing a payment does not trigger a special enrollment period. The coverage has to actually run out, or you have to experience another qualifying life event.

For many people, Covered California turns out to be the better financial deal. Cal-COBRA premiums reflect the full unsubsidized group rate, while Covered California plans come with income-based premium subsidies and cost-sharing reductions that can substantially lower your costs, particularly if your income dropped when you lost the job. The trade-off: your marketplace plan probably won’t have the same provider network or benefit design as your old employer plan.

A practical approach is to check Covered California plans before you commit. You can elect Cal-COBRA to keep coverage uninterrupted while you compare, then switch to a marketplace plan during your special enrollment window if the math favors it. Just know the move isn’t reversible: once you drop Cal-COBRA for a marketplace plan, that Cal-COBRA coverage is gone.⁴

Cal-COBRA and Medicare

If you’re approaching 65 or already Medicare-eligible, pay attention to how Cal-COBRA interacts with Medicare. COBRA and Cal-COBRA do not count as employer-sponsored group coverage for Medicare enrollment purposes, so you can’t use Cal-COBRA to delay enrolling in Medicare Part B without a penalty.⁸

Your special enrollment window for Part B is eight months from when you stop working or lose your employer health insurance, whichever comes first. That clock runs whether or not you elect COBRA. Miss it and you’ll face a lifetime Part B late enrollment penalty and have to wait for the next general enrollment period (January through March), with coverage starting the following July. Once you enroll in Medicare, your Cal-COBRA coverage will likely end.

On the prescription drug side, Cal-COBRA medical plans are generally considered creditable coverage for Medicare Part D. When your Cal-COBRA ends, you get a special enrollment period to join a Part D plan without a late penalty, provided the coverage was creditable.⁴

When Cal-COBRA Ends

Cal-COBRA terminates when any of these happens first: you reach the 36-month maximum, you miss a payment and the grace period expires, your former employer stops offering any group health plan, or you become covered under another group health plan or Medicare. When coverage ends because you exhausted the maximum period, you qualify for a special enrollment period on Covered California. When it ends because you missed a payment, you don’t get that safety net, which is why staying current on premiums matters even if you’re planning to move off Cal-COBRA soon.

1
California Department of Managed Health Care. Keep Your Health Coverage (COBRA)
2
California Department of Human Resources (CalHR). COBRA
3
U.S. Department of Labor. Glossary – Gross Misconduct
4
UCnet. Continuation of Health Coverage under COBRA Plan Year 2026
5
U.S. Department of Labor Employee Benefits Security Administration. FAQs on COBRA Continuation Health Coverage for Employers and Advisers
6
Covered California. Important Information About Your COBRA Continuation Coverage
7
Covered California. Special Enrollment
8
Medicare. COBRA Coverage