The Labor Board's record, joined to who is hiring
Healthcare union elections in California
63 union petitions since Jan 2023 at 22 healthcare employers hiring in California, by the National Labor Relations Board's record: unions won 28 elections and 10 petitions are pending. Workers at public hospitals organize under California law instead, outside this record.
MarinHealth, Prime Healthcare, InnovAge, Stanford Medicine Children's Health, Providence, Stanford Health Care, Keck Medicine of USC, Adventist Health, Wellpath, Sutter Health, Alameda Healthcare & Wellness Center, Sharp HealthCare, Cedars-Sinai, Vernon Healthcare Center, Rogers Behavioral Health, DaVita, US Renal Care, Watsonville Community Hospital, Quest Diagnostics, Planned Parenthood of Orange and San Bernardino Counties, Vitalant, Loma Linda University Health.
Union petitions in California
Newest first. Each employer opens its page, with its open jobs.
| Filed | Employer | Workers | Union | Outcome |
|---|---|---|---|---|
| 3 Nov 2026 | MarinHealthGreenbrae, CA | Not described | National Union of Healthcare Workers (NUHW) | Pending |
| 28 Oct 2026 | Prime HealthcareSan Dimas, CA | Not described | Service Employees' International Union, Local 121RN | Pending |
| 22 Oct 2026 | InnovAgeSan Bernardino, CA | Not described | Teamsters Local No. 63 | Pending |
| 15 Oct 2026 | Stanford Medicine Children's HealthPalo Alto, CA | Not described | Service Employees International Union - United Healthcare Workers West | Pending |
| 8 Oct 2026 | ProvidenceOrange, CA | Not described | California Nurses Association | Pending |
| 24 Aug 2026 | MarinHealthGreenbrae, CA | professional employees86 eligible | National Union of Healthcare Workers (NUHW) | The union won, 49 to 7 |
| 19 Aug 2026 | MarinHealthGreenbrae, CA | nurse practitioners, and physician assistants53 eligible | National Union of Healthcare Workers (NUHW) | The union won, 39 to 2 |
| 13 Aug 2026 | Stanford Health CareStanford, CA | surgical technologists and certified surgical technologists86 eligible | Service Employees International Union, United Healthcare Workers - West | No union, 18 to 38 |
| 11 Aug 2026 | MarinHealthGreenbrae, CA | Not described | National Union of Healthcare Workers (NUHW) | Petition withdrawn |
| 11 Aug 2026 | MarinHealthGreenbrae, CA | Not described15 eligible | National Union of Healthcare Workers (NUHW) | The union won, 11 to 1 |
| 9 Jul 2026 | Keck Medicine of USCLos Angeles, CA | Not described | National Union of Healthcare Workers (NUHW) | Pending |
| 30 Jun 2026 | Keck Medicine of USCLos Angeles, CA | specialist, procedural supply chain employees in the USC keck norris material...8 eligible | National Union of Healthcare Workers (NUHW) | No union, 0 to 8 |
| 15 Jun 2026 | Adventist HealthSt. Helena, CA | registered nurses (RNs)253 eligible | California Nurses Association/National Nurses United | The union won, 154 to 52 |
| 15 May 2026 | ProvidenceBrea, CA | Not described | United Nurses Associations of California/Union of Health Care Professionals | Pending |
| 6 May 2026 | WellpathFairfield, CA | VOTING GROUP A - PROFESSIONAL EMPLOYEES INCLUDED65 eligible | National Union of Healthcare Workers (NUHW) | The union won, 45 to 4 |
| 5 May 2026 | Stanford Health CarePalo Alto, CA | radiation therapists21 eligible | Service Employees International Union - United Healthcare Workers West | Voted 8 Jul 2026, not yet certified, 20 to 1 |
| 13 Apr 2026 | Sutter HealthSanta Rosa, CA | VOTING GROUP A - PROFESSIONAL EMPLOYEES included110 eligible | National Union of Healthcare Workers (NUHW) | The union won, 64 to 16 |
| 12 Mar 2026 | Stanford Health CareStanford, CA | VOTING GROUP A - PROFESSIONAL EMPLOYEES included19 eligible | Service Employees International Union, United Healthcare Workers - West | No union, 12 to 7 |
| 11 Mar 2026 | MarinHealthLarkspur, CA | MRI technologists5 eligible | National Union of Healthcare Workers (NUHW) | No union, 0 to 5 |
| 11 Mar 2026 | Stanford Medicine Children's HealthPalo Alto, CA | Not described | Service Employees International Union - United Healthcare Workers West | No union |
| 28 Jan 2026 | Keck Medicine of USCPasadena, CA | clinical lab scientists2 eligible | National Union of Healthcare Workers | No union, 1 to 1 |
| 18 Dec 2025 | ProvidenceBurbank, CA | professional employees26 eligible | SEIU Local 121RN | The union won, 0 to 0 |
| 12 Dec 2025 | Alameda Healthcare & Wellness CenterAlameda, CA | Not described50 eligible | Service Employees International Union, Local 2015 | The union won, 27 to 2 |
| 21 Nov 2025 | Alameda Healthcare & Wellness CenterAlameda, CA | employees209 eligible | Service Employees International Union, Local 2015 | The union won, 47 to 39 |
| 30 Jul 2025 | Adventist HealthLodi, CA | skilled maintenance employees performing skilled maintenance work and11 eligible | International Union of Operating Engineers, Stationary Engineers, Local 39, AFL-CIO | The union won, 8 to 0 |
| 2 Apr 2025 | Sharp HealthCareCoronado, CA | non-professional employees18 eligible | Service Employees International Union | Voted 30 Jun 2025, not yet certified, 11 to 0 |
| 12 Mar 2025 | Cedars-SinaiLos Angeles, CA | Not described | United Federation LEOS-PBA | Petition withdrawn |
| 12 Mar 2025 | Sutter HealthJackson, CA | environmental services technicians I, nursing assistants, certified phlebotomy...176 eligible | Service Employees International Union, United Healthcare Workers-West | No union, 100 to 61 |
| 4 Feb 2025 | Stanford Health CarePalo Alto, CA | registered nurses95 eligible | Committee for Recognition of Nursing Achievement (CRONA) | No union, 36 to 49 |
| 9 Dec 2024 | MarinHealthGreenbrae, CA | pharmacists21 eligible | National Union of Healthcare Workers (NUHW) | The union won, 12 to 2 |
| 1 Nov 2024 | ProvidenceTorrance, CA | service employees548 eligible | National Union of Healthcare Workers (NUHW) | The union won, 265 to 113 |
| 22 Oct 2024 | Vernon Healthcare CenterLos Angeles, CA | Not described | Not named | Petition withdrawn |
| 13 Sep 2024 | ProvidenceFullerton, CA | technical employees386 eligible | National Union of Healthcare Workers (NUHW) | No union, 141 to 152 |
| 3 Sep 2024 | ProvidenceSanta Monica, CA | navigator RNs7 eligible | California Nurses Association | The union won, 6 to 0 |
| 29 Aug 2024 | Rogers Behavioral HealthSan Diego, CA | Not described | National Union of Healthcare Workers (NUHW) | Petition withdrawn |
| 7 Aug 2024 | Adventist HealthMarysville, CA | Not described | Teamsters Local 137 | Petition withdrawn |
| 23 Jul 2024 | DaVitaVallejo, CA | Not described17 eligible | Service Employees International Union | The union won, 8 to 7 |
| 21 Jun 2024 | ProvidenceSanta Rosa, CA | Not described31 eligible | National Union of Healthcare Workers (NUHW) | The union won, 21 to 3 |
| 12 Apr 2024 | ProvidenceSanta Rosa, CA | professional employees96 eligible | National Union of Healthcare Workers (NUHW) | The union won, 61 to 20 |
| 4 Apr 2024 | ProvidenceFortuna, CA | Not described10 eligible | National Union of Healthcare Workers (NUHW) | No union, 5 to 3 |
| 28 Mar 2024 | ProvidenceEureka, CA | Not described65 eligible | National Union of Healthcare Workers (NUHW) | The union won, 30 to 18 |
| 26 Mar 2024 | ProvidenceSanta Monica, CA | wound ostomy registered nurses3 eligible | California Nurses Association | The union won, 1 to 0 |
| 6 Mar 2024 | US Renal CareChula Vista, CA | Not described2 eligible | Service Employees International Union, United Healthcare Workers - West | The union won, 1 to 1 |
| 4 Mar 2024 | DaVitaCathedral City, CA | VOTING GROUP A (PROFESSIONAL) included17 eligible | Service Employees International Union – United Healthcare Workers West | No union, 14 to 0 |
| 22 Feb 2024 | US Renal CareTorrance, CA | Not described | Service Employees International Union, United Healthcare Workers - West | Petition withdrawn |
| 21 Feb 2024 | US Renal CareChula Vista, CA | VOTING GROUP - UNIT A (PROFESSIONAL UNIT)13 eligible | Service Employees International Union, United Healthcare Workers - West | The union won, 10 to 0 |
| 23 Jan 2024 | Watsonville Community HospitalWatsonville, CA | Not described | Service Employees International Union, United Healthcare Workers - West | Petition withdrawn |
| 11 Dec 2023 | Stanford Health CareStanford, CA | recycling technicians4 eligible | Service Employees International Union, United Healthcare Workers - West | No union, 3 to 0 |
| 17 Nov 2023 | ProvidencePetaluma, CA | Not described | Not named | Petition withdrawn |
| 11 Oct 2023 | Quest DiagnosticsSan Diego, CA | Not described | Not named | Petition withdrawn |
| 29 Sep 2023 | Quest DiagnosticsSan Diego, CA | route service representatives (RSRs), RSR – senior, RSR – specialty, RSR – advanced...44 eligible | Teamsters, Chauffeurs, Warehousemen and Helpers Local Union No. 542 | No union, 27 to 11 |
| 6 Sep 2023 | Sutter HealthSacramento, CA | registered nurses, professional, and service employees15 eligible | National Union of Healthcare Workers (NUHW) | No union, 2 to 8 |
| 1 Aug 2023 | ProvidenceNapa, CA | associate biomedical technicians and biomedical engineers3 eligible | International Union of Operating Engineers, Stationary Engineers, Local 39, AFL-CIO | The union won, 3 to 0 |
| 26 Jul 2023 | Stanford Health CareStanford, CA | Not described | Service Employees International Union, United Healthcare Workers-West | No union |
| 7 Jul 2023 | Keck Medicine of USCPasadena, CA | lab assistants and medical lab technicians currently located at 625 S. fair oaks ave....5 eligible | National Union of Healthcare Workers (NUHW) | The union won, 5 to 0 |
| 12 May 2023 | Planned Parenthood of Orange and San Bernardino CountiesAnaheim, CA | administrative medical assistants37 eligible | United Food and Commercial Workers Union, Local 324 | The union won, 21 to 1 |
| 24 Apr 2023 | Stanford Health CareRedwood City, CA | polysomnographic technologists I-IV and sleep technologists I-IV25 eligible | Service Employees International Union, United Healthcare Workers - West | The union won, 14 to 9 |
| 24 Mar 2023 | Adventist HealthMarysville, CA | skilled maintenance employees performing skilled maintenance work and12 eligible | International Union of Operating Engineers, Stationary Engineers, Local 39 AFL-CIO | The union won, 10 to 2 |
| 2 Mar 2023 | Sharp HealthCareLa Mesa, CA | technical employees100 eligible | Service Employees International Union, United Healthcare Workers - West | The union won, 60 to 20 |
| 2 Mar 2023 | VitalantSan Francisco, CA | VOTING GROUP - UNIT A (PROFESSIONAL UNIT)21 eligible | SEIU Local 1021 | The union won, 9 to 7 |
| 13 Feb 2023 | Loma Linda University HealthLoma Linda, CA | residents and fellows enrolled in one of LLUHEC’s residency or fellowship programs and805 eligible | Union of American Physicians & Dentists (UAPD) | Petition withdrawn |
| 9 Jan 2023 | Adventist HealthLodi, CA | registered nurses341 eligible | National Nurses Organizing Committee/National Nurses United | Voted 9 Mar 2023, not yet certified, 188 to 119 |
| 6 Jan 2023 | Prime HealthcareAnaheim, CA | skilled maintenance employees3 eligible | National Union of Healthcare Workers (NUHW) | The union won, 2 to 1 |
Employers hiring in California with a petition
- MarinHealth Its open jobs
- Prime Healthcare Its open jobs
- InnovAge Its open jobs
- Stanford Medicine Children's Health Its open jobs
- Providence Its open jobs
- Stanford Health Care Its open jobs
- Keck Medicine of USC Its open jobs
- Adventist Health Its open jobs
- Wellpath Its open jobs
- Sutter Health Its open jobs
- Alameda Healthcare & Wellness Center Its open jobs
- Sharp HealthCare Its open jobs
- Cedars-Sinai Its open jobs
- Vernon Healthcare Center Its open jobs
- Rogers Behavioral Health Its open jobs
- DaVita Its open jobs
- US Renal Care Its open jobs
- Watsonville Community Hospital Its open jobs
- Quest Diagnostics Its open jobs
- Planned Parenthood of Orange and San Bernardino Counties Its open jobs
- Vitalant Its open jobs
- Loma Linda University Health Its open jobs
Healthcare union elections in California: common questions
Which hospitals and healthcare employers in California unionized recently?
Unions won 28 elections in California since Jan 2023 at employers hiring on this site, the latest: MarinHealth, professional employees in Greenbrae, CA (National Union of Healthcare Workers (NUHW)), filed 24 Aug 2026: the union won, 49 to 7; MarinHealth, nurse practitioners, and physician assistants in Greenbrae, CA (National Union of Healthcare Workers (NUHW)), filed 19 Aug 2026: the union won, 39 to 2; MarinHealth, a unit of workers in Greenbrae, CA (National Union of Healthcare Workers (NUHW)), filed 11 Aug 2026: the union won, 11 to 1; Adventist Health, registered nurses (RNs) in St. Helena, CA (California Nurses Association/National Nurses United), filed 15 Jun 2026: the union won, 154 to 52.
Which unions represent healthcare workers in California?
By the elections won since Jan 2023: National Union of Healthcare Workers (NUHW) (12), Service Employees International Union, United Healthcare Workers - West (4), Service Employees International Union, Local 2015 (2) and International Union of Operating Engineers, Stationary Engineers, Local 39, AFL-CIO (2). Each won among one unit of workers at one site; older units are not in this window.
Are any union elections pending in California?
10: MarinHealth, a unit of workers in Greenbrae, CA (National Union of Healthcare Workers (NUHW)), filed 3 Nov 2026; Prime Healthcare, a unit of workers in San Dimas, CA (Service Employees' International Union, Local 121RN), filed 28 Oct 2026; InnovAge, a unit of workers in San Bernardino, CA (Teamsters Local No. 63), filed 22 Oct 2026; Stanford Medicine Children's Health, a unit of workers in Palo Alto, CA (Service Employees International Union - United Healthcare Workers West), filed 15 Oct 2026.
Healthcare union elections in other states
- Oregon
- Washington
- New York
- Minnesota
- Massachusetts
- Michigan
- Pennsylvania
- Illinois
- New Jersey
- Ohio
- Vermont
- District of Columbia
- Montana
- Maryland
- New Mexico
- Wisconsin
- Connecticut
- Indiana
- Alabama
- Arizona
- Florida
- Georgia
- Iowa
- Missouri
- Tennessee
- Texas
- Kansas
- Kentucky
- North Carolina
- New Hampshire
- Nevada
- Rhode Island
- South Dakota
- Virginia
Sources and method
A case is listed when the employer its petition names is one of the employers hiring on this site, matched by name and by its open jobs in the case's town. Cases filed since Jan 2023, read 9 Nov 2026. Every state.
- National Labor Relations Board case records (nlrb.gov), as copied nightly by labordata/nlrb-data
Cite this page
CareJobs.Now. (2026). Healthcare union elections in California. Data as of 9 Nov 2026. https://carejobs.now/healthcare-union-elections/california