(844) 810-4210


8am – 5pm

Matthew Camphuis

Castillo Harper, APC
Matthew Camphuis

Matthew Camphuis is an associate attorney at Castillo Harper, APC.


Matthew is a PORAC Legal Defense Fund (LDF) panel attorney and a California Correctional Supervisors’ Organization (CCSO) panel attorney. As such, he handles all manners of administrative disciplinary cases, from interrogation through appeal, and CCW denial appeals. Prior to his time at Castillo Harper, APC, Matthew worked as in-house counsel for a large correctional officers’ association, representing officers during internal affairs investigations, defending against adverse actions, at pre-disciplinary hearings, and by litigating appeals before the State Personnel Board.

In addition to his employment defense practice, Matthew is part of the Firm’s Civil Litigation Team, and assists clients with Probate matters. He began his law career focusing on tax controversy by helping taxpayers fight the powerful IRS and the California Franchise Tax Board. He also has significant estate planning experience and has helped families and individuals plan for end-of-life or worst-case incapacity scenarios.

At Castillo Harper, Matthew represents numerous police associations as general counsel, to include in the areas of grievance arbitrations, and policy negotiations. He is also a member of the Civil Litigation Division.

Matthew obtained his Juris Doctor (JD) from Trinity Law School, where he was awarded the highest award at commencement by vote of the law school faculty for demonstrating the character and skills of a “model attorney.” Subsequently, he obtained his Master in Legal Studies in Human Rights from Trinity Law School. After practicing for a time, he enrolled in Liberty University School of Law where he is currently a candidate for a post-doctoral law degree (LLM) in International Law. He is also a member of the California Lawyers Association, the American Bar Association, and the Western San Bernardino County Bar Association.

In his private life, he enjoys spending time with his wife and family, going to the gym, training in various mixed martial arts, hiking, and discovering new coffee shops.


  • Trinity Law School Liberty University

Practice Areas

  • Administrative Discipline
  • Civil Litigation
  • General Counsel
  • Probate/Wills & Trusts
Matthew Camphuis

Contact Info

6848 Magnolia Ave.
Suite 200

Riverside, CA 92506

Contact Matthew Camphuis

Business Hours

Monday – Friday
8 am to 5 pm