Alan Castillo: A Passionate DUI Defense Attorney

Mr. Castillo was also formerly an attorney on multiple International Law cases with the American Civil Liberties Union. Mr. Castillo is also a former Orange County Deputy Public Defender.

In 2000, Mr. Castillo joined the Law Office of Barry T. Simons, where he excelled in the practice of Criminal Defense in one of the most conservative counties west of the Mississippi: Orange County, California. In 2016, Mr. Castillo joined Peter F. Iocona, Esq. and Marlo Cordero, Esq. to form The SoCal Law Network. In 2018, Mr. Castillo opened his own firm, Alan Castillo, Attorney at Law. 

Mr. Castillo has conducted over 100 jury trials over the course of his career.  Mr. Castillo has worked on several cases before the United States Supreme Court including: The United States of America v. Alvarez-Machain and Alvarez-Machain v. Sosa, et al. (i.e. U.S. Government).

Mr. Castillo has also participated in legal writings before the Federal Ninth Circuit Court of Appeal and the U.S. Supreme Court. Additionally, he has participated in Federal Civil cases before the U.S. District Court in the City of Los Angeles.

As a Criminal Defense Attorney, Mr. Castillo has successfully tried cases to Not Guilty Verdicts in domestic violence matters, DUI cases, sexual molestation matters, assault and battery, assault with deadly weapon cases, possession of drugs cases, possession of drugs with the intent to sell matters, and a variety of other misdemeanor and felony matters.

Mr. Castillo has lectured at seminars teaching other lawyers in the State of California on how to conduct DMV Administrative Per Se hearings as well as how to handle DUI cases in criminal court. Mr. Castillo has lectured at California DUI Lawyers Association (CDLA) seminars in the Orange County, Los Angeles and San Francisco as well professional licensing defense.

Mr. Castillo has a reputation for being an aggressive, “hard-nosed”, criminal defense attorney. As an Orange County resident and Orange County practicing criminal defense lawyer for the last twenty years, Mr. Castillo has developed very close relationships with members of the Orange County, Los Angeles, Riverside, San Bernardino and San Diego District Attorney's Offices as well as local Judges, Commissioners, and other influential figures in the Southern California Superior Court system.

Mr. Castillo represents doctors, lawyers, judges, athletes, and many other individuals in the community. In particular, Mr. Castillo is adept at handling all criminal matters and consequences that may ensue to working professionals as a result of being charged with a crime. Mr. Castillo is often referred to as a “lawyer's lawyer” because of his expertise in defending those charged with crimes.

Alan Castillo's California State Bar Profile

Criminal Defense

DUI and DMV

All Misdemeanor and Felony Cases

English and Spanish

California Attorneys for Criminal Justice

Orange County Bar Association (Member, Board of Directors and Treasurer, 1998-1999)

California Public Defenders Association

National Association of Criminal Defense Attorneys

California DUI Lawyer's Association

National College DUI Defense

American Civil Liberties Union, Foundation of Southern California

"DMV Hearings" California DUI Lawyers Association (Los Angeles, October 2013)

"The In-Person Approach to DMV Hearings" California DUI Lawyers Association (San Francisco, May 20, 2006)

"Out-Of-State Licensee Issues" Georgia State Bar (Atlanta, Feb. 16, 2006)

"Taking on the DMV in 2005" California DUI Lawyers Association (Los Angeles, April 23, 2005)

"Writ Procedures/Briefs & Gov. Code §800 Attorney Fees" Deuce Defenders/California DUI Lawyers Association (San Francisco, August 24, 2002)