How many employees need to be laid off to trigger the WARN Act in California?

California WARN is triggered when 50 or more employees are laid off at a covered establishment within a 30-day period. The employer must have at least 75 employees. Unlike federal WARN, there's no percentage-of-workforce requirement. So even if 50 layoffs represent a small fraction of the company, California WARN still applies.

How much money am I owed if my employer violated the WARN Act?

You're entitled to up to 60 days of back pay and benefits for each day of required notice you didn't receive. If you got zero notice, that's the full 60 days. Under California WARN, the employer may also owe $500 per employee per day of violation. For a worker earning $150,000 annually, 60 days of pay is roughly $25,000.

Can my employer avoid WARN by doing layoffs in small batches?

They can try, but both federal and California WARN include aggregation rules. If multiple rounds of layoffs within a defined period are part of the same overall reduction, they're counted together. A company that lays off 20 people three weeks in a row may have effectively laid off 60 people within 30 days, which triggers WARN.

Mass Layoffs in San Francisco: Your WARN Act Rights

San Francisco has gone through several waves of mass layoffs in recent years. Major tech companies have cut thousands of positions. Startups have shut down overnight. Entire Bay Area offices have closed. If you were part of a large layoff, you may have legal rights beyond whatever severance the company offered. The WARN Act is one of the most overlooked protections for workers caught in mass layoffs.

What Is the WARN Act?

WARN stands for the Worker Adjustment and Retraining Notification Act. There are two versions that may apply to you: the federal WARN Act and the California WARN Act (Labor Code Sections 1400-1408). California's version is broader and more protective.

The basic requirement is simple. Before conducting a mass layoff or plant closing, your employer must give you 60 days' advance written notice. If they didn't, they owe you up to 60 days of pay and benefits. That's on top of any severance they offered.

Federal WARN vs. California WARN

The two laws have different triggers, and California's kicks in more easily.

Federal WARN applies to employers with 100 or more full-time employees. It's triggered by a "plant closing" (50+ employees lose jobs at a single site) or a "mass layoff" (500+ employees, or 50-499 employees if that's at least 33% of the workforce at the site). The 33% threshold is a big deal. If a San Francisco office has 200 employees and the company lays off 60, that's only 30%, which wouldn't trigger federal WARN even though 60 people lost their jobs.

California WARN has lower thresholds. It applies to employers with 75 or more employees. It's triggered when 50 or more employees are laid off at a "covered establishment" within a 30-day period. There's no percentage requirement. So that same layoff of 60 out of 200 would trigger California WARN even though it missed the federal threshold.

For San Francisco workers, California WARN is usually the more relevant law.

How Companies Try to Avoid WARN

San Francisco employers, especially tech companies with sophisticated legal teams, know about WARN. They use several strategies to try to stay below the thresholds:

Staggering layoffs. Instead of laying off 60 people at once, the company does three rounds of 20 over three months. Each round is under the 50-person threshold. But both federal and California WARN include "aggregation" rules that look at layoffs within a 30-day period (federal) or broader timeframe. If the layoffs are part of the same reduction, they may still be aggregated.

Splitting across locations. A company with offices in San Francisco, Oakland, and Palo Alto might spread the layoffs across all three to keep each site under 50. Whether this works depends on how the law defines a "covered establishment" or "single site of employment." For remote workers, the analysis gets complicated.

Calling it a "restructuring." The label doesn't matter. Whether the company calls it a layoff, restructuring, reorganization, or "right-sizing," WARN applies based on the number of employees who actually lose their jobs.

Offering severance with a release. Companies sometimes try to include WARN damages in the severance package and have you waive your WARN claims in the release. This can be valid, but only if the severance actually covers the full 60-day WARN period. If the company offers two weeks of severance and asks you to release your WARN claim worth 60 days, you're giving up far more than you're getting.

What WARN Damages Look Like

If your employer violated WARN, you're entitled to:

Back pay. Up to 60 days of pay and benefits for each day of notice you didn't receive. If you got 30 days' notice instead of 60, you're owed 30 days of pay. If you got zero notice (walked in Monday and were told your job was gone), you're owed the full 60 days.

Benefits continuation. The employer must pay the cost of any benefits they would have provided during the notice period, including health insurance premiums.

Civil penalties. Under California WARN, the employer may also owe $500 per employee per day of violation to each affected worker.

For a tech worker making $150,000 per year, 60 days of WARN pay is roughly $25,000. Multiply that across 100 laid-off workers and you see why companies take WARN seriously, and why it's worth your time to investigate.

San Francisco Tech Layoff Patterns

The Bay Area tech industry has a layoff cycle that creates frequent WARN situations. A company raises a huge round, hires aggressively, burns through cash, and then cuts 20% to 30% of staff when the next round doesn't come or the market shifts. This pattern repeats across the startup ecosystem.

At larger companies, layoffs often come in waves after earnings misses, strategy pivots, or new leadership. San Francisco has seen public tech companies lay off thousands of employees at once, which clearly triggers WARN. But mid-size companies (100-500 employees) often fly under the radar, and that's where WARN violations are most common.

Office closures are another common trigger. As companies consolidate Bay Area offices or shift to remote work, closing a San Francisco office with 50 or more employees triggers WARN regardless of whether the company is laying off those workers or offering transfers.

The "Faltering Company" and "Unforeseeable Business Circumstances" Exceptions

Federal WARN includes exceptions that reduce the notice requirement. The "faltering company" exception applies when an employer was actively seeking capital or business that would have avoided the layoff, and giving notice would have ruined the deal. The "unforeseeable business circumstances" exception applies to sudden, dramatic events the employer couldn't have predicted.

California WARN has narrower exceptions. In practice, most San Francisco tech layoffs don't qualify for these exceptions. A company that overhired and is now cutting to reach profitability chose to overhire. The market downturn was foreseeable. The funding didn't materialize, but the company knew it was a risk.

What to Do If You Think WARN Was Violated

Start by gathering information. How many people were laid off at your location? What date were they told? Did anyone receive 60 days' notice? Were there earlier rounds of layoffs that might aggregate with yours?

Talk to former colleagues. WARN claims are often brought as class or collective actions because the violation affects every laid-off worker at the site. You're stronger together.

Don't sign a severance agreement that releases WARN claims unless the severance fully compensates you for the WARN violation. And if you already signed, review the release language carefully. Some releases are broad enough to cover WARN; others are not.

If you were part of a mass layoff in San Francisco and didn't receive 60 days' notice, talk to an employment attorney. The consultation is free, and the potential recovery is significant.