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  • The Sacramento County Deputy Sheriffs' Association has utilized the services of Mastagni Holstedt, A Professional Corporation for over 30 years. During my tenure as Association President there has not been one situation that the firm could not handle... Read more >

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Mastagni Holstedt, A Professional Corporation
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Northern California Location
1912 I Street
Sacramento, CA 95811
916-446-4692 Phone
916-447-4614 Fax
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Southern California Location
9327 Fairway View Place, Suite 304
Rancho Cucamonga, CA 91730
909-477-8920 Phone
Other Locations in Whittier, Chico, Stockton and San Jose

David L. Kruckenberg

(916) 446-4692 | VCard

David L. Kruckenberg is an Associate with the Labor Department of Mastagni Holstedt, A Professional Corporation. Mr. Kruckenberg represents peace officers and firefighters in administrative investigations, hearings, and civil litigation. He also represents public and private sector employee organizations in disputes and civil litigation related to collective bargaining. And he represents workers in state and federal wage and hour law class actions.

Prior to joining the firm, Mr. Kruckenberg worked as a legislative aide in the California State Assembly. His duties included advising a State Assemblyman about votes on legislation related to statewide policy and the budget. He also coordinated the Assemblyman’s work on committees, in caucus leadership, and with lobbyists and various interest groups. Mr. Kruckenberg was also responsible for eight bills being passed and signed into law. During law school, Mr. Kruckenberg clerked with the Placer County Superior Court, the Pacific Justice Institute, and the Office of the Attorney General in Sacramento, where he gained experience in civil litigation and constitutional law.

Mr. Kruckenberg earned his Juris Doctor degree from the University of California at Davis School of Law in 2015, and is a member of the Order of Barristers. Mr. Kruckenberg earned his Bachelor of Arts degrees from Point Loma Nazarene University and Calvary Chapel Bible College.


  • J.D., University of California, Davis (2015)
  • B.A., Point Loma Nazarene University (2009)
  • B.A., Calvary Chapel Bible College (2007)

Bar Admissions

  • California State Bar (2015)