Atty. Janet Costello

Atty. Janet Costello

Janet Costello is a lawyer practicing litigation, criminal defense, juvenile law and 5 other areas of law. Janet received a B.S. degree from Rutgers University in 1996, and has been licensed for 21 years.

Jersey City Jersey City 21 yrs experience 21 year
Call (908) 935-3034 Book Appointment

Profile Summary

About Janet Costello at a glance

Janet Costello is a Member based in Jersey City, New Jersey, practicing at Law Offices of Janet Costello, L.L.C.. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on criminal defense, business, juvenile, and litigation. Admitted to practice in New Jersey (2005) and New York (2007). Educated at Seton Hall University (J.D., 2004) and Rutgers University (B.S., 1996). Active member of American Bar Association. Serands clients in Jersey City, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Janet Costello is a lawyer practicing litigation, criminal defense, juvenile law and 5 other areas of law
  • Janet received a B.S. degree from Rutgers University in 1996, and has been licensed for 21 years
  • Janet practices at Law Offices of Janet Costello, L.L.C. in Jersey City, NJ and 1 other location

Practice Areas Explained

Janet Costello's Areas of Practice

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

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.

Janet Costello is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New Jersey →

Business & Corporate Law

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

Janet Costello is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New Jersey →

Juvenile Law

Janet Costello is one of 30,631 juvenile attorneys indexed nationally. Browse juvenile attorneys in New Jersey →

Civil Litigation

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

Janet Costello is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

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

Looking for additional New Jersey attorneys? Browse all attorneys in Jersey City or all attorneys in New Jersey.

Frequently Asked

Common questions about Janet Costello

Where is Janet Costello's law office located?
Janet Costello's law practice is located in Jersey City, New Jersey. The firm is Law Offices of Janet Costello, L.L.C.. You can contact the office directly through this profile page.
What practice areas does Janet Costello handle?
Janet Costello focuses on criminal defense, business, juvenile, litigation. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has Janet Costello practiced law?
Janet Costello has 21+ years of legal experience and has been licensed since 2005.
Where did Janet Costello go to law school?
Janet Costello earned their education at (J.D., 2004); (B.S., 1996).
How can I contact Janet Costello for a consultation?
You can contact Janet Costello 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.
Seton Hall University
- 2004
B.S.
Rutgers University
- 1996

Bar Admissions

New Jersey
Admitted: 2005
New York
Admitted: 2007

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