David P. Mastagni

Attorney Profile

Top Rated Personal Injury Attorney in Sacramento, CA

Mastagni Holstedt, APC
 | 1912 I Street, Sacramento, CA 95811
Phone: 800-559-5379
Fax: 916-447-4614
Selected To Super Lawyers: 2008, 2010 - 2021
Licensed Since: 1973
Practice Areas:
  • Personal Injury - General: Plaintiff (50%),
  • Employment & Labor: Employee (40%),
  • Professional Liability: Plaintiff (10%)
    Attorney Profile

    Attorney David P. Mastagni is the founder and managing partner of Mastagni, Holstedt, Amick, Miller & Johnsen of Sacramento, California. As an experienced trial lawyer, he represents clients in complex litigation involving personal injury, product liability, professional negligence, labor and employment law matters, wage and hour disputes, civil rights litigation and administrative law.

    In his years of practice, attorney Mastagni has tried more than 300 cases to verdict, including more than 100 jury trials, in both state and federal courts. He has also been involved in more than 450 appellate cases at the state and federal appellate level, including cases handled before the U.S. Supreme Court. In 2003, he obtained the largest law enforcement binding arbitration award in the United States. He has testified before the California state legislature on issues involving peace officers, labor unions, injured workers and consumer litigation. He has also participated in drafting several laws and currently advises on election law and political action committees.

    Mr. Mastagni is a frequent lecturer and longtime panel attorney for the Peace Officers' Research Association of California (PORAC), among his other legal activities. He is also a member of the Capitol City Trial Lawyers Association, the American Association for Justice and Consumer Attorneys of California, among other local, regional and national bar associations.

    Practice Areas
    • 50%Personal Injury - General: Plaintiff
    • 40%Employment & Labor: Employee
    • 10%Professional Liability: Plaintiff


    Selected to Super Lawyers for 13 yearsbottom-image

    Super Lawyers: 2008, 2010 - 2021

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    David Mastagni, an experienced trial lawyer and personal injury attorney discusses the case that ignited his legal career.

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    About David Mastagni

    Admitted: 1973, California

    Professional Webpage: https://www.mastagni.com/attorneys/partners/mastagni/

    Special Licenses/Certifications:

    • Admitted to practice in all California Superior Courts, Federal Eastern and Northern Districts of California, and  the Supreme Court of the United States.

    Bar/Professional Activity:

    • U.S. District Court, Eastern District of California
    • State Bar of California
    • American Association for Justice
    • U.S. Supreme Court
    • Sacramento County Bar Association
    • Consumer Attorneys of California
    • U.S. Court of Appeals, Ninth Circuit
    • American Bar Association
    • Capitol City Trial Lawyers Association

    Pro bono/Community Service:

    • Regularly volunteers his time to act as a Judge Pro Tem at the Sacramento County Superior Court.


    • Has obtained numerous settlements in excess of one million dollars in areas including professional negligence, catrostrophic personal injury and FLSA, by way of example. 

    Educational Background:

    • American River College, A.A., 1967
    • California State University at Sacramento, B.S., 1970

    Industry Groups

    • Public Safety Employees/Associations
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    Office Location for David P. Mastagni

    1912 I Street
    Sacramento, CA 95811

    Phone: 800-559-5379

    Fax: 916-447-4614

    David P. Mastagni:

    Last Updated: 4/15/2021

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