Atty. John T. Diamond III

Atty. John T. Diamond III

John T. Diamond III is a lawyer practicing criminal defense, driving while intoxicated, drug offenses and 2 other areas of law.

Quincy Quincy 36 yrs experience 36 year
Call (617) 433-7110 Book Appointment

Profile Summary

About John T. Diamond III at a glance

John T. Diamond III is a Member based in Quincy, Massachusetts, practicing at Law Office of Jack Diamond. They have 36+ years of legal experience, licensed to practice since 1990. Their practice focuses on car accidents, dui/dwi, drug crimes, personal injury, and criminal defense. Admitted to practice in Massachusetts (1990). Educated at New England School of Law (J.D., 1990) and Boston College (B.S., 1983). Recognitions include AV Preeminent. Serands clients in Quincy, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John T. Diamond III is a lawyer practicing criminal defense, driving while intoxicated, drug offenses and 2 other areas of law
  • John received a B.S. degree from Boston College in 1983, and has been licensed for 36 years
  • John practices at Law Office of Jack Diamond in Quincy, MA and 2 others locations

Practice Areas Explained

John T. Diamond III's Areas of Practice

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

Car Accidents

Hurt in a car crash? Car accident lawyers fight insurance companies for fair compensation — free consult, no fee unless you win.

John T. Diamond III is one of 36,807 car accidents attorneys indexed nationally. Browse car accidents attorneys in Massachusetts →

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.

John T. Diamond III is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Massachusetts →

Drug Crimes

John T. Diamond III is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in Massachusetts →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John T. Diamond III is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Massachusetts →

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 T. Diamond III is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

Practicing law in Massachusetts. Legal matters in Massachusetts are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Quincy are typically filed in the local municipal court or the appropriate Massachusetts state district court, depending on subject matter and amount in controversy. An attorney licensed in Massachusetts 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 Massachusetts courts without local counsel or pro hac vice admission.

Looking for additional Massachusetts attorneys? Browse all attorneys in Quincy or all attorneys in Massachusetts.

Frequently Asked

Common questions about John T. Diamond III

Where is John T. Diamond III's law office located?
John T. Diamond III's law practice is located in Quincy, Massachusetts. The firm is Law Office of Jack Diamond. You can contact the office directly through this profile page.
What practice areas does John T. Diamond III handle?
John T. Diamond III focuses on car accidents, dui/dwi, drug crimes, personal injury, criminal defense. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John T. Diamond III practiced law?
John T. Diamond III has 36+ years of legal experience and has been licensed since 1990.
Where did John T. Diamond III go to law school?
John T. Diamond III earned their education at (J.D., 1990); (B.S., 1983).
How can I contact John T. Diamond III for a consultation?
You can contact John T. Diamond III 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 T. Diamond III received?
John T. Diamond III's notable recognition includes: AV Preeminent.

Education

J.D.
New England School of Law
- 1990
B.S.
Boston College
- 1983

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1990

Reviews

5.0
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.