Atty. David B Kosakoff

Atty. David B Kosakoff

David B Kosakoff is a lawyer practicing professional liability defense, construction law, professional malpractice. David has been licensed for 39 years.

Central Islip Central Islip 39 yrs experience 39 year
Call (914) 217-1203 Book Appointment

Profile Summary

About David B Kosakoff at a glance

David B Kosakoff is a Partner based in Central Islip, New York, practicing at Sinnreich, Kosakoff & Messina LLP. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on construction. Admitted to practice in New York (1987), U.S. District Court, District of New Jersey (1987), U.S. District Court, Eastern District of New York (1988), and U.S. District Court, Southern District of New York (1988). Educated at Hofstra University School of Law (J.D., 1987). Recognitions include AV Preeminent. Active member of American Bar Association New York Trial Lawyers Association. Serands clients in Central Islip, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David B Kosakoff is a lawyer practicing professional liability defense, construction law, professional malpractice
  • David has been licensed for 39 years
  • David practices at Sinnreich, Kosakoff & Messina LLP in Central Islip, NY

Practice Areas Explained

David B Kosakoff's Areas of Practice

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

Construction Law

David B Kosakoff is one of 40,689 construction attorneys indexed nationally. Browse construction 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 Central Islip 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 Central Islip or all attorneys in New York.

Frequently Asked

Common questions about David B Kosakoff

Where is David B Kosakoff's law office located?
David B Kosakoff's law practice is located in Central Islip, New York. The firm is Sinnreich, Kosakoff & Messina LLP. You can contact the office directly through this profile page.
What practice areas does David B Kosakoff handle?
David B Kosakoff focuses on construction. Each practice area listed reflects experience handling cases of that type in New York.
How long has David B Kosakoff practiced law?
David B Kosakoff has 39+ years of legal experience and has been licensed since 1987.
Where did David B Kosakoff go to law school?
David B Kosakoff earned their education at (J.D., 1987).
How can I contact David B Kosakoff for a consultation?
You can contact David B Kosakoff 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 B Kosakoff received?
David B Kosakoff's notable recognition includes: AV Preeminent.

Education

J.D.
Hofstra University School of Law
- 1987

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1987
U.S. District Court, District of New Jersey
Admitted: 1987
U.S. District Court, Eastern District of New York
Admitted: 1988
U.S. District Court, Southern District of New York
Admitted: 1988
New Jersey
Admitted: 1988

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