Atty. John Morris McMahon

Atty. John Morris McMahon

John Morris McMahon is a lawyer practicing residential real estate, personal injury, divorce / separation and 1 other area of law. John received a B.A. degree from University of Massachusetts at Amherst in 2006, and has been licensed for 14 years.

Boston Boston 14 yrs experience 14 year
Call (617) 420-3285 Book Appointment

Profile Summary

About John Morris McMahon at a glance

John Morris McMahon is an Associate based in Boston, Massachusetts, practicing at Gilmartin Magence LLP. They have 14+ years of legal experience, licensed to practice since 2012. Their practice focuses on residential, divorce, personal injury, immigration, and real estate. Admitted to practice in Massachusetts (2012). Educated at Suffolk Law (J.D., 2010) and University of Massachusetts at Amherst (B.A., 2006). Serands clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Morris McMahon is a lawyer practicing residential real estate, personal injury, divorce / separation and 1 other area of law
  • John received a B.A. degree from University of Massachusetts at Amherst in 2006, and has been licensed for 14 years
  • John practices at Gilmartin Magence LLP in Boston, MA

Practice Areas Explained

John Morris McMahon's Areas of Practice

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

Residential Real Estate

John Morris McMahon is one of 9,343 residential attorneys indexed nationally. Browse residential attorneys in Massachusetts →

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

John Morris McMahon is one of 50,487 divorce attorneys indexed nationally. Browse divorce 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 Morris McMahon is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Massachusetts →

Immigration Law

Immigration attorneys help with green cards, visas, citizenship, asylum, and deportation defense. Find a verified immigration lawyer for your case.

John Morris McMahon is one of 40,633 immigration attorneys indexed nationally. Browse immigration attorneys in Massachusetts →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John Morris McMahon is one of 316,149 real estate attorneys indexed nationally. Browse real estate 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 Boston 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 Boston or all attorneys in Massachusetts.

Frequently Asked

Common questions about John Morris McMahon

Where is John Morris McMahon's law office located?
John Morris McMahon's law practice is located in Boston, Massachusetts. The firm is Gilmartin Magence LLP. You can contact the office directly through this profile page.
What practice areas does John Morris McMahon handle?
John Morris McMahon focuses on residential, divorce, personal injury, immigration, real estate. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has John Morris McMahon practiced law?
John Morris McMahon has 14+ years of legal experience and has been licensed since 2012.
Where did John Morris McMahon go to law school?
John Morris McMahon earned their education at (J.D., 2010); (B.A., 2006).
How can I contact John Morris McMahon for a consultation?
You can contact John Morris 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.

Education

J.D.
Suffolk Law
- 2010
B.A.
University of Massachusetts at Amherst
- 2006

Bar Admissions

Massachusetts
Admitted: 2012

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