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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

Grant A. Winter


Grant Winter is an associate in the Civil Litigation department of Mastagni Holstedt, A Professional Corporation His primary practice focus is on employment law and class action litigation in both the California and federal court systems. Grant is also an experienced appellate lawyer, having advocated before the United States Court of Appeals for the Ninth Circuit and California’s District Courts of Appeal.

Prior to joining Mastagni Holstedt, A Professional Corporation, Grant handled civil litigation of many varieties, including employment disputes such as workplace harassment and discrimination, contract disputes, disputes between real estate developers, litigation against debt collectors and telemarketers, legal malpractice litigation, and personal injury matters. On different occasions, he has successfully represented both plaintiffs and defendants.


  • J.D., McGeorge School of Law, Sacramento, California (2007)
  • B.A., Colgate University, Hamilton, New York (2004)