Atty. John J. McMaster

Atty. John J. McMaster

John J. McMaster is a lawyer practicing automobile accidents, criminal law, personal injury and 10 other areas of law.

Northborough Northborough 34 Years Experience 34 year
Call (774) 399-7498

Profile Summary

About John J. McMaster at a glance

John J. McMaster is a dui/dwi, car accidents, drug crimes, personal injury, and criminal defense attorney based in Northborough, Massachusetts. They have 34+ years of legal experience, licensed to practice since 1992. They practice at McMaster Law Offices LLC. Serving clients in Northborough, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John J
  • McMaster is a lawyer practicing automobile accidents, criminal law, personal injury and 10 other areas of law
  • John received a B.S. degree from Northeastern University in 1983, and has been licensed for 34 years
  • John practices at McMaster Law Offices LLC in Northborough, MA

Practice Areas Explained

John J. McMaster's Areas of Practice

Each practice area below reflects the types of cases John J. McMaster 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.

John J. McMaster is one of 26,859 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Massachusetts →

Car Accidents

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

John J. McMaster is one of 32,842 car accidents attorneys indexed nationally. Browse car accidents attorneys in Massachusetts →

Drug Crimes

John J. McMaster is one of 6,336 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 J. McMaster is one of 238,048 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 J. McMaster is one of 190,900 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 Northborough 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 venue, 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 Northborough or all attorneys in Massachusetts.

Frequently Asked

Common questions about John J. McMaster

Where is John J. McMaster's law office located?
John J. McMaster's law practice is located in Northborough, Massachusetts. The firm is McMaster Law Offices LLC. You can contact the office directly through this profile page.
What practice areas does John J. McMaster handle?
John J. McMaster focuses on dui/dwi, car accidents, drug crimes, personal injury, criminal defense. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John J. McMaster practiced law?
John J. McMaster has 34+ years of legal experience and has been licensed since 1992.
Where did John J. McMaster go to law school?
John J. McMaster earned their education at (J.D., 1992); (B.S. Criminal, 1983).
How can I contact John J. McMaster for a consultation?
You can contact John J. McMaster 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 J. McMaster received?
John J. McMaster's notable recognition includes: BV Distinguished.

Education

J.D.
New England School of Law
- 1992
B.S. Criminal
Northeastern University
- 1983

Awards

BV Distinguished

Bar Admissions

Massachusetts
Admitted: 1992
U.S. District Court, District of Massachusetts
Admitted: 1993

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