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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

Kevin Wiemer


Kevin Wiemer is an Associate with the Labor Department of Mastagni Holstedt, A.P.C. His practice focuses on the Public Safety Officers Procedural Bill of Rights, the Firefighters Procedural Bill of Rights, and the Meyers-Milias-Brown Act. He represents public sector employees in administrative and disciplinary investigations, hearings, critical incident investigations, officer involved shootings, and criminal defense.

Before joining Mastagni Holstedt, A Professional Corporation, Kevin practiced criminal defense where he represented clients in every phase of their criminal cases. He has extensive trial experience having been primary counsel in over 20 jury trials and dozens of court trials.


  • J.D., University of the Pacific, McGeorge School of Law (2012)
  • B.A., Columbia College (2008)