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Thomas J. Maupin Esq.

Thomas J. Maupin Esq.

Rancho Cucamonga, California
Mr. Maupin  has nearly 25 years of experience as a workers’ compensation defense attorney.  Prior to joining Sacks & Zolonz, LLP in 2014 he headed his own multi- lawyer firm in Orange County for fourteen years, gaining valuable insight into the actions and thinking of the Judges in Anaheim and Santa Ana. Prior to that he was with Kriner & Hebner from December 1988 until May 1990, Fluor Corporation from 1977 to 1985 and the Santa Ana Police Department from 1972 to 1977. 

He graduated with a Juris Doctor in May 1988 from Western State University College of Law, Law Review, National Dean’s List and American Jurisprudence Awards.  Over the years, he has represented numerous insurance carriers, third-party administrators, employers as well as CIGA in the defense of workers' compensation claims and other related matters at all WCAB locations throughout Southern California. From effective doctor cross- examinations to aggressive trial advocacy Mr. Maupin has acquired expertise in all phases of employer workers’ compensation defense.   Mr. Maupin has been married for over 37 years and has two daughters, one son, and four grandchildren. 

Areas of Practice

  • Workers? Compensation

Bar Admissions

  • California, 1988


  • Western State University College of Law, Fullerton, California
    • Juris Doctor - 1988
    • Honors: National Dean?s List
    • Honors: American Jurisprudence Awards

Past Employment Positions

  • Kriner & Hebner from December 1988 until May 1990
  • Fluor Corporation from 1977 to 1985
  • Santa Ana Police Department from 1972 to 1977
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Office Locations

Main Office

400 Corporate Pointe
Suite 800
Culver City, CA 90230
Phone: 800-461-0268
Fax: 310-216-9552
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Inland Empire &

638 North Eckhoff Street
St. Orange, CA 92868
Phone: 800-461-0268
Fax: 909-476-2131
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Rancho Cucamonga &
Workers Compensation Office

9513 Business Center Drive, Suite H
Rancho Cucamonga, CA 91730
Phone: 800-461-0268
Fax: 909-476-1333
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