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We represent the employees of SEIU Local 521

Service Employees International Union, Local 521 (SEIU 521) represents 53,000 public- and nonprofit, private-sector workers in the central Bay Area region and in the Central Valley as well as family child care providers.

Under a Community First vision, we are committed to making sure the needs of our community, and the vital services we provide our community, come first. We believe our communities thrive when residents, leaders, and workers recognize that we are all in this together when it comes to our safety, health, and well-being.

SEIU 521 represents more than 40,000 county, city, and non-profit workers in 17 counties grouped into five regions:

  • Region 1: San Mateo & Santa Clara Counties
  • Region 2: Santa Cruz, Monterey, San Benito Counties
  • Region 3: Stanislaus, Tuolumne, Mariposa, Mono, Alpine, Merced Counties
  • Region 4: Madera & Fresno Counties
  • Region 5: Tulare, Kings, Kern, Inyo Counties