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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

Chelsea Avent

Chelsea Avent


Chelsea Avent is an associate attorney in the Labor Department. Her practice focuses on Public Safety Officers’ Procedural Bill of Rights Act, Fire Fighters’ Bill of Rights Act, and California's collective bargaining statutes, including the Meyers-Milias-Brown Act, Dills Act, Higher Education Employer-Employee Relations Act, Educational Employment Relations Act, and Excluded Employees’ Bill of Rights Act. She represents clients in disciplinary matters, grievances, unfair labor practice charges, and critical incidents. Chelsea also advises both public and private sector employees on a variety of labor and employment-related matters.

Chelsea attended the University of Nebraska College of the Law in Lincoln, Nebraska and graduated with Distinction. Chelsea completed a program of concentrated study in labor and employment law. During law school, she worked as a law clerk in the Lancaster County Attorney’s Office and as an extern at the U.S. Attorney’s Office for the District of Nebraska. Chelsea also served as the Reviewing Editor of the Nebraska Law Review.

Chelsea is a northern California native, attended Marysville High School and the California State University, Chico, where she earned a Bachelor of Arts degree with Distinction in Political Science.


  • J.D., University of Nebraska, College of Law (2018)
  • B.A., California State University, Chico (2013)