Atty. Sergio A. Castaneda

Atty. Sergio A. Castaneda

Sergio A. Castaneda earned his J.D. from UCLA School of Law and is admitted to practice in California, the U.S.

Los Angeles Los Angeles 26 yrs experience 26 year
Call (213) 516-5831 Book Appointment

Profile Summary

About Sergio A. Castaneda at a glance

Sergio A. Castaneda is a Member based in Los Angeles, California, practicing at Castaneda Law, APC. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on dui/dwi, drug crimes, criminal defense, business, and white collar. Admitted to practice in California (2000) and U.S. Court of Appeals, Ninth Circuit (2001). Educated at University of California School of Law (J.D., 1996) and California State University (B.A., 1992). Active member of State Bar of California. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sergio A. Castaneda earned his J.D. from UCLA School of Law and is admitted to practice in California, the U.S
  • District Court for the Central District of California, and the Ninth Circuit Court of Appeals
  • With more than 25 years of experience, he is driven by a passion for helping those without a strong voice in the legal system
  • His first major victory came when he represented a single mother wronged by her previous lawyer in a divorce arbitration
  • By filing a trial de novo, Sergio not only overturned a $50,000 arbitration award but also recovered her attorneys’ fees
  • That success cemented his belief that meticulous preparation and superior advocacy produce results
  • Today, he applies these principles to juvenile and adult criminal cases, tailoring defense strategies to each client’s unique circumstances
  • At Castaneda Law, APC, open communication and personalized attention ensure clients receive both exceptional service and strong, effective representation

Practice Areas Explained

Sergio A. Castaneda's Areas of Practice

Each practice area below reflects the types of cases Sergio A. Castaneda handles, with a brief overview of what that area of law covers.

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

Sergio A. Castaneda is one of 29,977 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in California →

Drug Crimes

Sergio A. Castaneda is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in California →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Sergio A. Castaneda is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Sergio A. Castaneda is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

White Collar Crimes

Sergio A. Castaneda is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in California →

Jurisdictional Context

Why local counsel matters in California

Practicing law in California. Legal matters in California are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Los Angeles are typically filed in the local municipal court or the appropriate California state district court, depending on subject matter and amount in controversy. An attorney licensed in California brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in California courts without local counsel or pro hac vice admission.

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Sergio A. Castaneda

Where is Sergio A. Castaneda's law office located?
Sergio A. Castaneda's law practice is located in Los Angeles, California. The firm is Castaneda Law, APC. You can contact the office directly through this profile page.
What practice areas does Sergio A. Castaneda handle?
Sergio A. Castaneda focuses on dui/dwi, drug crimes, criminal defense, business, white collar. Each practice area listed reflects experience handling cases of that type in California.
How long has Sergio A. Castaneda practiced law?
Sergio A. Castaneda has 26+ years of legal experience and has been licensed since 2000.
Where did Sergio A. Castaneda go to law school?
Sergio A. Castaneda earned their education at (J.D., 1996); (B.A., 1992).
How can I contact Sergio A. Castaneda for a consultation?
You can contact Sergio A. Castaneda directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
University of California School of Law
- 1996
B.A.
California State University
- 1992

Bar Admissions

California
Admitted: 2000
U.S. Court of Appeals, Ninth Circuit
Admitted: 2001

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