Joined May '26
Representing 72,000+ public, nonprofit, and private-sector workers across Central and Northern California.
Leading
Led by SEIU Local 521
SEIU Local 521's political endorsements and recommendations. Source: https://www.seiu521.org/2026election 1 of SEIU Local 521’s candidate endorsement (John Casselberry Jr. for Board of Education Area Stanislaus Area 5) is not yet in our data. It'll be added when we next update our data.
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