Atty. John Diaz Coker

Atty. John Diaz Coker

John Diaz Coker is a lawyer practicing criminal law, criminal defense. John received a A.B. degree from San Diego State University, and has been licensed for 59 years.

Pittsburg Pittsburg 59 yrs experience 59 year
Call (707) 805-5850 Book Appointment

Profile Summary

About John Diaz Coker at a glance

John Diaz Coker is a Member based in Pittsburg, California, practicing at John Diaz Coker. They have 59+ years of legal experience, licensed to practice since 1967. Their practice focuses on criminal defense. Admitted to practice in California (1967). Educated at Golden Gate University J.D. (—) and San Diego State University A.B. (—). Serands clients in Pittsburg, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Diaz Coker is a lawyer practicing criminal law, criminal defense
  • John received a A.B. degree from San Diego State University, and has been licensed for 59 years
  • John practices at John Diaz Coker in Pittsburg, CA

Practice Areas Explained

John Diaz Coker's Areas of Practice

Each practice area below reflects the types of cases John Diaz Coker handles, with a brief overview of what that area of law covers.

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.

John Diaz Coker is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal 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 Pittsburg 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 Pittsburg or all attorneys in California.

Frequently Asked

Common questions about John Diaz Coker

Where is John Diaz Coker's law office located?
John Diaz Coker's law practice is located in Pittsburg, California. The firm is John Diaz Coker. You can contact the office directly through this profile page.
What practice areas does John Diaz Coker handle?
John Diaz Coker focuses on criminal defense. Each practice area listed reflects experience handling cases of that type in California.
How long has John Diaz Coker practiced law?
John Diaz Coker has 59+ years of legal experience and has been licensed since 1967.
Where did John Diaz Coker go to law school?
John Diaz Coker earned their education at (—); (—).
How can I contact John Diaz Coker for a consultation?
You can contact John Diaz Coker 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

Golden Gate University J.D.
- In Progress
San Diego State University A.B.
- In Progress

Bar Admissions

California
Admitted: 1967

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