HomeCaliforniaSacramentoDavid Mastagni

About David Mastagni

David E. Mastagni is a partner in the Labor Department at Mastagni Holstedt, APC, where he specializes in labor and employment law representation in California and federal courts at both the trial and appellate levels. His practice covers Fair Labor Standards Act claims, the Public Safety Officers' Procedural Bill of Rights, the Meyers-Milias-Brown Act, collective bargaining, and class-action litigation. He has obtained review before the First and Third California Appellate Districts, the California Supreme Court, and the Ninth Circuit Court of Appeals, and has petitioned for review before the U.S. Supreme Court. He holds a Martindale-Hubbell AV Preeminent rating and has received Super Lawyers and Best Lawyers recognition.

Proven verdicts and settlements

$464,521Settlement

Mastagni Holstedt secured a $464,521 FLSA collective-action settlement for 85 City of Richmond firefighters after the federal court issued a published opinion rejecting a Department of Labor regulation that had permitted employers to exclude holiday-in-lieu pay from overtime calculations.

U.S. District Court, Northern District of California · 2022Workplace InjuryRead the full story →
View all 4 proven verdicts →

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.

Practice areas

Education

Boalt Hall, University of California, Berkeley
J.D., 1999
University of California, Davis
Undergraduate, 1996

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$117 million · $117 Million Settlement Against Former PG&E Officers and Directors for Wildfire Deaths
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$60 million · $60 Million Settlement Resolves Class Action Over Morgan Stanley Data Breaches Affecting 15 Million Clients
Demas Law Group, P.C., Personal Injury Attorneys
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$32.16 million · Sacramento Jury Awards $32.16 Million to Children of Man Killed by Off-Duty Police Detective on I-5
Kershaw Talley Barlow
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$800 million · CalPERS Pays $800 Million to Settle Class Action Over Long-Term Care Premium Hikes
Wilcoxen Callaham
Wilcoxen Callaham
$3,016,389 · Jury Awards $3 Million Against Enloe Medical Center After Patient Dies During Device Removal