Atty. John Barry McMahon

Atty. John Barry McMahon

John Barry McMahon is a lawyer. John received a B.S. degree from University of California at Berkeley in 1979, and has been licensed for 40 years.

Manhattan Beach Manhattan Beach 40 yrs experience 40 year
Call (424) 476-7310 Book Appointment

Profile Summary

About John Barry McMahon at a glance

John Barry McMahon is an attorney based in Manhattan Beach, California. They have 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in California (1986). Educated at University of California at Berkeley (B.S. University, 1979). Recognitions include AV Preeminent. Serands clients in Manhattan Beach, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Barry McMahon is a lawyer
  • John received a B.S. degree from University of California at Berkeley in 1979, and has been licensed for 40 years
  • John practices in Manhattan Beach, CA

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 Manhattan Beach 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 Manhattan Beach or all attorneys in California.

Frequently Asked

Common questions about John Barry McMahon

Where is John Barry McMahon's law office located?
John Barry McMahon's law practice is located in Manhattan Beach, California. You can contact the office directly through this profile page.
How long has John Barry McMahon practiced law?
John Barry McMahon has 40+ years of legal experience and has been licensed since 1986.
Where did John Barry McMahon go to law school?
John Barry McMahon earned their education at (B.S. University, 1979).
How can I contact John Barry McMahon for a consultation?
You can contact John Barry McMahon 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.
What awards or recognition has John Barry McMahon received?
John Barry McMahon's notable recognition includes: AV Preeminent.

Education

B.S. University
University of California at Berkeley
- 1979

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1986

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