Atty. Joseph Peter McMahon

Atty. Joseph Peter McMahon

Joseph Peter McMahon is a lawyer practicing criminal defense, litigation, dui & dwi and 1 other area of law. Joseph has been licensed for 60 years.

Lancaster Lancaster 60 yrs experience 60 year
Call (480) 602-8092 Book Appointment

Profile Summary

About Joseph Peter McMahon at a glance

Joseph Peter McMahon is a dui/dwi, criminal defense, family law, and litigation attorney based in Lancaster, Pennsylvania. They have 60+ years of legal experience, licensed to practice since 1966. Admitted to practice in Maryland (1966) and Pennsylvania (2005). Educated at Pennsylvania State University, Dickinson School of Law (JD, 2005). Serands clients in Lancaster, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Joseph Peter McMahon is a lawyer practicing criminal defense, litigation, dui & dwi and 1 other area of law
  • Joseph has been licensed for 60 years
  • Joseph practices in Lancaster, PA

Practice Areas Explained

Joseph Peter McMahon's Areas of Practice

Each practice area below reflects the types of cases Joseph Peter McMahon 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.

Joseph Peter McMahon is one of 29,977 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Pennsylvania →

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.

Joseph Peter McMahon is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Pennsylvania →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Joseph Peter McMahon is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Pennsylvania →

Civil Litigation

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

Joseph Peter McMahon is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Pennsylvania →

Jurisdictional Context

Why local counsel matters in Pennsylvania

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

Looking for additional Pennsylvania attorneys? Browse all attorneys in Lancaster or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Joseph Peter McMahon

Where is Joseph Peter McMahon's law office located?
Joseph Peter McMahon's law practice is located in Lancaster, Pennsylvania. You can contact the office directly through this profile page.
What practice areas does Joseph Peter McMahon handle?
Joseph Peter McMahon focuses on dui/dwi, criminal defense, family law, litigation. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has Joseph Peter McMahon practiced law?
Joseph Peter McMahon has 60+ years of legal experience and has been licensed since 1966.
Where did Joseph Peter McMahon go to law school?
Joseph Peter McMahon earned their education at (JD, 2005).
How can I contact Joseph Peter McMahon for a consultation?
You can contact Joseph Peter 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

JD
Pennsylvania State University, Dickinson School of Law
- 2005

Bar Admissions

Maryland
Admitted: 1966
Pennsylvania
Admitted: 2005

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