Atty. John Joseph Tierney

Atty. John Joseph Tierney

John Joseph Tierney is a lawyer practicing personal injury law, criminal law, estate practice and 5 other areas of law. John received a B.A. degree from Manhattan College, and has been licensed for 57 years.

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Profile Summary

About John Joseph Tierney at a glance

John Joseph Tierney is a Member based in Port Jefferson Station, New York, practicing at Tierney & Tierney. They have 57+ years of legal experience, licensed to practice since 1969. Their practice focuses on personal injury, criminal defense, estate planning, business, and litigation. Admitted to practice in New York (1969). Educated at St. John's University LL.B. (—) and Manhattan College B.A. (—). Recognitions include BV Distinguished. Serands clients in Port Jefferson Station, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Joseph Tierney is a lawyer practicing personal injury law, criminal law, estate practice and 5 other areas of law
  • John received a B.A. degree from Manhattan College, and has been licensed for 57 years
  • John practices at Tierney & Tierney in Port Jefferson Station, NY

Practice Areas Explained

John Joseph Tierney's Areas of Practice

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

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 Joseph Tierney is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →

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 Joseph Tierney is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

John Joseph Tierney is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Joseph Tierney is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John Joseph Tierney is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

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

Looking for additional New York attorneys? Browse all attorneys in Port Jefferson Station or all attorneys in New York.

Frequently Asked

Common questions about John Joseph Tierney

Where is John Joseph Tierney's law office located?
John Joseph Tierney's law practice is located in Port Jefferson Station, New York. The firm is Tierney & Tierney. You can contact the office directly through this profile page.
What practice areas does John Joseph Tierney handle?
John Joseph Tierney focuses on personal injury, criminal defense, estate planning, business, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has John Joseph Tierney practiced law?
John Joseph Tierney has 57+ years of legal experience and has been licensed since 1969.
Where did John Joseph Tierney go to law school?
John Joseph Tierney earned their education at (—); (—).
How can I contact John Joseph Tierney for a consultation?
You can contact John Joseph Tierney 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 Joseph Tierney received?
John Joseph Tierney's notable recognition includes: BV Distinguished.

Education

St. John's University LL.B.
- In Progress
Manhattan College B.A.
- In Progress

Awards

BV Distinguished

Bar Admissions

New York
Admitted: 1969

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