Atty. David T O'Sullivan

Atty. David T O'Sullivan

David T O'Sullivan is a lawyer practicing mediation, divorce, alimony and 5 other areas of law. David received a B.S. degree from Boston University in 1985, and has been licensed for 20 years.

Morristown Morristown 20 yrs experience 20 year
Call (862) 398-0674 Book Appointment

Profile Summary

About David T O'Sullivan at a glance

David T O'Sullivan is a Member based in Morristown, New Jersey, practicing at The Law Office of David T. O'Sullivan, LLC. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on divorce, child custody, real estate, child support, and alimony. Admitted to practice in New Jersey (2006). Educated at Seton Hall University School of Law (J.D., 1992) and Boston University (B.S. Finance, 1985). Recognitions include Peer Reviewed. Serands clients in Morristown, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David T O'Sullivan is a lawyer practicing mediation, divorce, alimony and 5 other areas of law
  • David received a B.S. degree from Boston University in 1985, and has been licensed for 20 years
  • David practices at The Law Office of David T. O'Sullivan, LLC in Morristown, NJ

Practice Areas Explained

David T O'Sullivan's Areas of Practice

Each practice area below reflects the types of cases David T O'Sullivan handles, with a brief overview of what that area of law covers.

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

David T O'Sullivan is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in New Jersey →

Child Custody & Visitation

David T O'Sullivan is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in New Jersey →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

David T O'Sullivan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New Jersey →

Child Support

David T O'Sullivan is one of 24,688 child support attorneys indexed nationally. Browse child support attorneys in New Jersey →

Alimony / Spousal Support

David T O'Sullivan is one of 10,688 alimony attorneys indexed nationally. Browse alimony 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 Morristown 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 Morristown or all attorneys in New Jersey.

Frequently Asked

Common questions about David T O'Sullivan

Where is David T O'Sullivan's law office located?
David T O'Sullivan's law practice is located in Morristown, New Jersey. The firm is The Law Office of David T. O'Sullivan, LLC. You can contact the office directly through this profile page.
What practice areas does David T O'Sullivan handle?
David T O'Sullivan focuses on divorce, child custody, real estate, child support, alimony. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has David T O'Sullivan practiced law?
David T O'Sullivan has 20+ years of legal experience and has been licensed since 2006.
Where did David T O'Sullivan go to law school?
David T O'Sullivan earned their education at (J.D., 1992); (B.S. Finance, 1985).
How can I contact David T O'Sullivan for a consultation?
You can contact David T O'Sullivan 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 David T O'Sullivan received?
David T O'Sullivan's notable recognition includes: Peer Reviewed.

Education

J.D.
Seton Hall University School of Law
- 1992
B.S. Finance
Boston University
- 1985

Awards

Peer Reviewed

Bar Admissions

New Jersey
Admitted: 2006

Reviews

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8 Review
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