About
Nicolas Montes is an experienced attorney at Castillo & Associates in San Diego, California, where he concentrates his legal practice on workers’ compensation, personal injury, and immigration law. With over two decades of legal experience, he is committed to advocating for injured individuals and immigrants throughout Southern California.
Nicolas earned his Juris Doctor from the University of San Diego School of Law in 2001. Prior to law school, he completed his undergraduate education at the University of Tennessee, Knoxville. His academic foundation and dedication to service have informed his focused and client-first approach to law.
Throughout his legal career, Nicolas has represented clients dealing with work-related injuries, automobile accidents, and immigration challenges. His practice is based in San Diego, but he supports clients in Chula Vista, Oceanside, Escondido, Carlsbad, and surrounding areas through Castillo & Associates’ multiple office locations.
Nicolas is licensed to practice in California and has been in active legal service since 2002. At Castillo & Associates, he collaborates with a team dedicated to helping injured individuals recover the benefits and compensation they deserve. His legal counsel is guided by years of hands-on litigation experience and a thorough understanding of the challenges working people face.
Whether handling a workers’ compensation claim or a personal injury case, Nicolas Montes strives to provide responsive, informed, and strategic legal representation. His commitment to justice and clear client communication has earned him the trust of individuals across the region. Through his work, he remains dedicated to protecting the rights of injured workers and immigrants in California.
Law Office Affiliations
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Managing Attorney, Castillo & Associates
- Member, State Bar of California
Licensed State
- California
Education
- University of San Diego School of Law
Juris Doctor (JD) - University of Tennessee
Bachelor of Arts (BA)
Awards & Badges

- Animal and dog bites
- Brain injury
- Car accident
- Citizenship
- Motorcycle accident
- Slip and fall accident
- Spinal cord injury
- Trucking accident
- Visa and Permits
- Wrongful death