Atty. John E. McMahon
John E. McMahon is a lawyer practicing computers and software, real estate, health care and 1 other area of law.
Computers and Software & More Attorney · Serving Boston, MA · 47+ Years Experience
Profile Summary
About John E. McMahon at a Glance
John E. McMahon is a Liberty Mutual Ins. Co. based in Boston, Massachusetts. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on contracts, real estate, and health care. Admitted to practice in Massachusetts (1979). Educated at Suffolk University (J.D., 1979) and College of the Holy Cross (B.A., 1973). Serves clients in Boston, MA and the surrounding metropolitan area.
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About John E. McMahon
- John E. McMahon is a lawyer practicing computers and software, real estate, health care and 1 other area of law
- John received a B.A. degree from College of the Holy Cross in 1973, and has been licensed for 47 years
- John practices in Boston, MA
Practice Areas Explained
John E. McMahon's Areas of Legal Practice
Each practice area below reflects the types of cases John E. McMahon handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boston.
Contracts in Boston
John E. McMahon is one of 76,101 contracts attorneys indexed nationally. Browse contracts attorneys in Massachusetts →
Real Estate Law in Boston
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
John E. McMahon is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in Massachusetts →
Health Care Law in Boston
Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.
John E. McMahon is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in Massachusetts →
Jurisdictional Context
Why Local Counsel Matters in Boston
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 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.
Boston Courts and Legal Process
Choosing a Boston-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.
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Professional Profile
Why Clients in Boston Choose John E. McMahon
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John E. McMahon's practice in the field of contracts, real estate, and health care.
Decade-Tested Legal Experience
John E. McMahon brings 47+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering contracts, real estate, and health care, John E. McMahon can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Boston
A Boston-based practice means John E. McMahon attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues John E. McMahon Handles in Boston
Below is a representative sample of the types of matters John E. McMahon has experience with under Massachusetts law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact John E. McMahon directly to discuss the specifics of your situation.
Search Reference
How People Find John E. McMahon Online
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John E. McMahon's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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