Atty. Stephen T. Jeffco

Atty. Stephen T. Jeffco

Firm principal and sole practitioner Stephen T. Jeffco has more than 35 years of experience in criminal defense litigation.

Portsmouth Portsmouth 48 yrs experience 48 year
Call (603) 956-4506 Book Appointment

Profile Summary

About Stephen T. Jeffco at a glance

Stephen T. Jeffco is a Member based in Portsmouth, New Hampshire, practicing at Stephen T. Jeffco, PA. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on dui/dwi, drug crimes, criminal defense, sex crimes, and violent crimes. Admitted to practice in Massachusetts (1978), New Hampshire (1978), U.S. District Court, District of New Hampshire (1978), and Maine (1978). Educated at Franklin Pierce College (J.D., 1977) and University of New Hampshire (B.A., 1972). Recognitions include AV Preeminent. Active member of Rockingham County, New Hampshire and Massachusetts Bar Associations New Hampshire Trial Lawyers Association New Hampshire Association of Criminal Defense Lawyers National Association of Criminal Defense Lawyers, Master, Charles E, and Doe Inn of Court. Serands clients in Portsmouth, NH and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Firm principal and sole practitioner Stephen T. Jeffco has more than 35 years of experience in criminal defense litigation
  • His practice areas include criminal law, felonies, drug crimes, DUI/DWI, domestic abuse, sex crimes, and homicides
  • He has earned an AV® Preeminent™ Peer Review Rating by Martindale-Hubbell®, the highest recognition possible in the legal industry, for his professionalism and ethics
  • Stephen T. Jeffco was admitted to practice law in Massachusetts and New Hampshire courts in 1978
  • The Pennsylvania native received his J.D. from Franklin Pierce College in 1977, after earning his B.A. from the University of New Hampshire in 1972

ISLN

906185320

Practice Areas Explained

Stephen T. Jeffco's Areas of Practice

Each practice area below reflects the types of cases Stephen T. Jeffco 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.

Stephen T. Jeffco is one of 29,977 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in New Hampshire →

Drug Crimes

Stephen T. Jeffco is one of 6,966 drug crimes attorneys indexed nationally. Browse drug crimes attorneys in New Hampshire →

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.

Stephen T. Jeffco is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New Hampshire →

Sex Crimes

Stephen T. Jeffco is one of 5,340 sex crimes attorneys indexed nationally. Browse sex crimes attorneys in New Hampshire →

Violent Crimes

Stephen T. Jeffco is one of 4,189 violent crimes attorneys indexed nationally. Browse violent crimes attorneys in New Hampshire →

Jurisdictional Context

Why local counsel matters in New Hampshire

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

Looking for additional New Hampshire attorneys? Browse all attorneys in Portsmouth or all attorneys in New Hampshire.

Frequently Asked

Common questions about Stephen T. Jeffco

Where is Stephen T. Jeffco's law office located?
Stephen T. Jeffco's law practice is located in Portsmouth, New Hampshire. The firm is Stephen T. Jeffco, PA. You can contact the office directly through this profile page.
What practice areas does Stephen T. Jeffco handle?
Stephen T. Jeffco focuses on dui/dwi, drug crimes, criminal defense, sex crimes, violent crimes. Each practice area listed reflects experience handling cases of that type in New Hampshire.
How long has Stephen T. Jeffco practiced law?
Stephen T. Jeffco has 48+ years of legal experience and has been licensed since 1978.
Where did Stephen T. Jeffco go to law school?
Stephen T. Jeffco earned their education at (J.D., 1977); (B.A., 1972).
How can I contact Stephen T. Jeffco for a consultation?
You can contact Stephen T. Jeffco 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 Stephen T. Jeffco received?
Stephen T. Jeffco's notable recognition includes: AV Preeminent.

Education

J.D.
Franklin Pierce College
- 1977
B.A.
University of New Hampshire
- 1972

Awards

AV Preeminent

Bar Admissions

Massachusetts
Admitted: 1978
New Hampshire
Admitted: 1978
U.S. District Court, District of New Hampshire
Admitted: 1978
Maine
Admitted: 1978

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