Lab Assistant Jobs in California

Lab Assistant jobs in California are among the most active in the country, with consistent demand from biotechnology firms, academic medical centers, clinical reference labs, and pharmaceutical companies serving the full range from entry-level to senior lab assistant. The largest hiring concentrations are in the San Francisco Bay Area, Los Angeles, and San Diego, where employers like Quest Diagnostics, Kaiser Permanente, and Genentech maintain substantial laboratory operations. The most in-demand specialties are clinical chemistry, microbiology, and molecular diagnostics. Find a role that fits below and apply directly.

Find Lab Assistant Jobs

Overview

Open roles20+
Top employerStanford Health Care
Top cityPalo Alto, CA
Cities hiring9
Work type100% On-site
Top industryHealthcare

Showing 5 of 20+ Lab Assistant jobs

Stanford Health Care
Outreach Lab Assistant III-P
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Stanford Health Care
Added 3d ago
Outreach Lab Assistant III-P
Stanford Health Care
Redwood City, California
Allied Health
Healthcare Administration
Laboratory Science
Patient Services & Wellbeing
$38 - $43/hr
On-Site
High School
10,000+

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Stanford Health Care
Lab Assistant III-P
We won't show you this job again
Stanford Health Care
Added 3d ago
Lab Assistant III-P
Stanford Health Care
Palo Alto, California
Allied Health
Healthcare Administration
Laboratory Science
Patient Services & Wellbeing
Pharmacy
$38 - $43/hr
On-Site
High School
10,000+

Have you applied for this role?

Stanford Health Care
Lab Assistant III-P
We won't show you this job again
Stanford Health Care
Added 3d ago
Lab Assistant III-P
Stanford Health Care
Palo Alto, California
Allied Health
Healthcare Administration
Laboratory Science
Patient Services & Wellbeing
$38 - $43/hr
On-Site
High School
10,000+

Have you applied for this role?

Stanford Health Care
Lab Assistant III-P
We won't show you this job again
Stanford Health Care
Added 3d ago
Lab Assistant III-P
Stanford Health Care
Palo Alto, California
Allied Health
Healthcare Administration
Clinical Support
Laboratory Science
Patient Services & Wellbeing
Medical Assistant
$38 - $43/hr
On-Site
High School
10,000+

Have you applied for this role?

Stanford Health Care
Lab Assistant III-P
We won't show you this job again
Stanford Health Care
Added 3d ago
Lab Assistant III-P
Stanford Health Care
Palo Alto, California
Allied Health
Healthcare Administration
Clinical Support
Laboratory Science
Patient Services & Wellbeing
Medical Assistant
$38 - $43/hr
On-Site
High School
10,000+

Have you applied for this role?

See All 20 Lab Assistant Jobs in California

Find roles in California that match your experience and apply in just a few clicks.

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Lab Assistant Jobs by City in California

Where California roles are concentrated, by current openings.

Palo Alto
7 jobs
San Francisco
3 jobs
San Jose
3 jobs
Crescent City
2 jobs
Costa Mesa
1 jobs
Irvine
1 jobs
Redwood City
1 jobs
San Diego
1 jobs
Sherman Oaks
1 jobs

Lab Assistant Job Market in California

A snapshot from current California openings, updated as new roles post.

Who's Hiring

  • Stanford Health Care
    Stanford Health Care8
  • Astera Labs
    Astera Labs3
  • Sutter Health
    Sutter Health2
  • Altos Labs
    Altos Labs1
  • Catalent Pharma Solutions
    Catalent Pharma Solutions1

Top Industries Hiring

  • Healthcare & Medical Services12
  • Education3
  • Electronics & Hardware3
  • Technology & Software3
  • Biotechnology & Pharmaceuticals2

What California Employers Look For

The qualifications that appear most often in lab assistant jobs across California.

  • California Clinical Laboratory Scientist or Limited Phlebotomy Technician license issued by CDPH where required
  • Associate or bachelor's degree in biology, chemistry, or a related life science field
  • Hands-on experience with laboratory instruments such as spectrophotometers, centrifuges, and automated analyzers
  • Familiarity with Good Laboratory Practice standards and laboratory safety protocols
  • Ability to accurately document results in electronic laboratory information systems
  • Attention to detail and proficiency in specimen handling, processing, and chain-of-custody procedures

Lab Assistant Jobs in California: Frequently Asked Questions

How do you become a lab assistant in California?

Most lab assistant roles in California require at minimum a high school diploma plus completion of a phlebotomy or clinical lab aide training program, though an associate or bachelor's degree in a biological science strengthens your application considerably. If you move into specimen processing or any testing function covered under California law, the California Department of Public Health licenses clinical laboratory personnel, and you would need the appropriate registration or limited license before performing regulated testing independently.

Which companies hire lab assistants in California?

Employers hiring lab assistants in California right now include Stanford Health Care, Astera Labs, and Sutter Health, based on current listings on Migrate Mate as of June 2026. California's dense concentration of academic medical centers, biotechnology companies, and large regional hospital systems means hiring activity is spread broadly rather than dominated by a single employer type.

Which California cities have the most lab assistant jobs?

Palo Alto, San Francisco, and San Jose have the most lab assistant openings in California. The Bay Area and San Diego concentrations reflect those regions' deep roots in biotechnology and pharmaceutical research, while Los Angeles draws volume from its large academic hospital networks and the regional reference labs that serve Southern California's population.

Are there remote lab assistant jobs in California?

Yes, but they're rare. About 0% of lab assistant openings tied to California are remote or hybrid as of June 2026, because the core work involves handling physical specimens and operating bench equipment that requires on-site presence. The portions of the role most amenable to remote or hybrid arrangements are data entry, result review, and quality documentation tasks rather than any hands-on laboratory function.

How can I get hired as a lab assistant in California with little or no experience?

The most realistic entry path is completing a California community college phlebotomy or clinical lab technician program, which combines classroom instruction with a required externship at a licensed California facility. Large health systems such as Kaiser Permanente and UCLA Health regularly hire lab aide and specimen processor positions that serve as stepping stones, and Dignity Health runs structured new-grad support pathways at several California campuses. Earning a California phlebotomy certification through the CDPH before you apply makes candidates significantly more competitive even without prior paid experience.

Where can I find and apply to lab assistant jobs in California?

You can find and apply to lab assistant jobs in California on Migrate Mate, which lists current California openings updated regularly. Find roles that fit your experience and location, then apply directly to each employer through the listing.

See All 20 Lab Assistant Jobs in California

Find roles in California that match your experience and apply in just a few clicks.

Find Lab Assistant Jobs