Atty. Alberto Sierra

Atty. Alberto Sierra

Alberto Sierra is a lawyer practicing criminal defense, federal crime, juvenile criminal law and 8 other areas of law. Alberto received a degree from Loyola Law School, and has been licensed for 53 years.

Fontana Fontana 53 yrs experience 53 year
Call (279) 278-5605 Book Appointment

Profile Summary

About Alberto Sierra at a glance

Alberto Sierra is a Member based in Fontana, California, practicing at Albert Sierra. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on dui/dwi, criminal defense, federal crimes, white collar, and dv defense. Admitted to practice in California (1973). Educated at Loyola Law School Los Angeles CA California St Univ Los Angeles CA (—). Serands clients in Fontana, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Alberto Sierra is a lawyer practicing criminal defense, federal crime, juvenile criminal law and 8 other areas of law
  • Alberto received a degree from Loyola Law School, and has been licensed for 53 years
  • Alberto practices at Albert Sierra in Fontana, CA

Practice Areas Explained

Alberto Sierra's Areas of Practice

Each practice area below reflects the types of cases Alberto Sierra 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.

Alberto Sierra is one of 29,977 dui/dwi attorneys indexed nationally. Browse dui/dwi 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.

Alberto Sierra is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Federal Crimes

Alberto Sierra is one of 6,773 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in California →

White Collar Crimes

Alberto Sierra is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in California →

Domestic Violence Defense

Alberto Sierra is one of 12,315 dv defense attorneys indexed nationally. Browse dv defense 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 Fontana 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 Fontana or all attorneys in California.

Frequently Asked

Common questions about Alberto Sierra

Where is Alberto Sierra's law office located?
Alberto Sierra's law practice is located in Fontana, California. The firm is Albert Sierra. You can contact the office directly through this profile page.
What practice areas does Alberto Sierra handle?
Alberto Sierra focuses on dui/dwi, criminal defense, federal crimes, white collar, dv defense. Each practice area listed reflects experience handling cases of that type in California.
How long has Alberto Sierra practiced law?
Alberto Sierra has 53+ years of legal experience and has been licensed since 1973.
Where did Alberto Sierra go to law school?
Alberto Sierra earned their education at (—).
How can I contact Alberto Sierra for a consultation?
You can contact Alberto Sierra 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

Loyola Law School Los Angeles CA California St Univ Los Angeles CA
- In Progress

Bar Admissions

California
Admitted: 1973

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