$ 300-600 per hour
PRO
David Philip Mastagni
also known as David P. Mastagni
About David
Biography
David P. Mastagni is the founder and managing partner of Mastagni Holstedt, A Professional Corporation, where he practices primarily in the areas of civil litigation and labor law. David has tried over 300 proceedings to verdict, including over 100 jury trials in both state and federal courts. He has participated in over 450 appellate cases at the state and federal levels, including actions before the U.S. Supreme Court.
As the firm’s lead attorney, David was responsible in 2003 for obtaining the largest law enforcement binding arbitration award in the United States. David advises public and private labor unions on contract issues, grievances, and binding arbitration. David’s involvement in labor and law extends to the state Capitol, where he has testified before the legislature on issues involving peace officers, labor unions, injured workers, and consumer litigation. He has participated in drafting several laws and currently advises clients on election law and political action committees.
David is a lecturer for the Peace Officers’ Research Association of California (PORAC) and a longtime panel attorney for the PORAC Legal Defense Fund. He has lectured widely over the years on issues of concern to public safety officers/public employees and labor unions.
David served in the U.S. Army National Guard in the Vietnam era. While in law school at the McGeorge School of Law, David received the American Jurisprudence Award in Evidence, an award given to the student who achieves the highest grade in the class. He currently sits on the Dean’s Council at the McGeorge School of Law.
Practice Areas
9
Practice Areas
Administrative Law
12%
Aviation
12%
Civil Rights
12%
Employee Benefits
12%
Fees and Rates
Cost
Hourly Rates
Contingency
33%-40%
Awards
Licenses
Licensed in California for 52 years
State: California
Acquired: 1973
No misconduct found
Location
Online Presence
Other places you can find David online.
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Experience
Honors
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2022
Super Lawyer, Super Lawyers
2021
Super Lawyer, Super Lawyers
2020
Super Lawyer, Super Lawyers
2019
Super Lawyer, Super Lawyers
2018
Super Lawyer, Super Lawyers
2017
Super Lawyer, Super Lawyers
2016
Super Lawyer, Super Lawyers
2016
AV Preeminent 5.0 out of 5 Peer Review Rated, Martindale-Hubbell
2015
Super Lawyer, Super Lawyers
2015
Top Attorneys in Sacramento, Sacramento Magazine
2014
Super Lawyer, Super Lawyers
2013
Super Lawyer, Super Lawyers
2013
Best of the Bar, Sacramento Business Journal
2012
Super Lawyer, Super Lawyers
2011
Super Lawyer, Super Lawyers
2010
Super Lawyer, Super Lawyers
2008
Super Lawyer, Super Lawyers
N/A
AV Preeminent Rated, Martindale-Hubbell
Work Experience
1974 - Present
Founding Partner, Mastagni Holstedt, APC
1900 - Present
Founder, Mastagni Holstedt, A.P.C.
Associations
State Bar of California
American Bar Association
Consumer Attorneys of California
Sacramento County Bar Association
American Association for Justice
Capitol City Trial Lawyers Association
Sample of Legal Cases
Henrikson v. Turbomeca, S.A.
Confidential Settlement
Stockton Police Officers Ass'n v. City of Stockton, San Joaquin County Superior Court, Case No. 39-2010-00245197
Fay et al. v. The Wackenhut Corporation et al. (San Mateo County Superior Court, Case No. CIV 454586)
$1.75 million settlement.
Alba v. City and County of San Francisco (Case 3:05-cv-01667-TEH)
Settled for approximately $625,000.00.
White v. County of Sacramento (1982) 31 Cal.3d 676 [183 Cal.Rptr. 520, 646 P.2d 191]
Smeltzley v. Nicholson Mfg. Co. (1977) 18 Cal.3d 932 [136 Cal.Rptr. 269, 559 P.2d 624]
City of Los Angeles v. Superior Court (2002) 29 Cal.4th 1 [124 Cal.Rptr.2d 202, 52 P.3d 129]
Education
1973
McGeorge SOL Univ of the Pacific
law
1970
California State University at Sacramento
BS
1967
American River College
AA
N/A
California St Univ Sacramento
undergraduate
Languages
English