Atty. William Gary Greenberg

Atty. William Gary Greenberg

William Gary Greenberg is a lawyer practicing personal injury law, negligence law, commercial law and 2 other areas of law. William received a A.B. degree from Lafayette College, and has been licensed for 53 years.

Purchase Purchase 53 yrs experience 53 year
Call (914) 935-7129 Book Appointment

Profile Summary

About William Gary Greenberg at a glance

William Gary Greenberg is a Member based in Purchase, New York, practicing at Greenberg & Massarelli, LLP. They have 53+ years of legal experience, licensed to practice since 1973. Their practice focuses on personal injury, family law, business, and real estate. Admitted to practice in New York (1973), U.S. District Court, Southern District of New York (1975), U.S. District Court, Eastern District of New York (1978), and Florida (1987). Educated at Lafayette College A.B. New York University School of Law (LL.M New, 1975) and Syracuse University (J.D., 1973). Active member of New York State and New York Criminal & Civil Courts Bar Associations New York State Trial Lawyers Association. Serands clients in Purchase, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Gary Greenberg is a lawyer practicing personal injury law, negligence law, commercial law and 2 other areas of law
  • William received a A.B. degree from Lafayette College, and has been licensed for 53 years
  • William practices at Greenberg & Massarelli, LLP in Purchase, NY

Practice Areas Explained

William Gary Greenberg's Areas of Practice

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

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

William Gary Greenberg is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →

Family Law

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

William Gary Greenberg is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in New York →

Business & Corporate Law

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

William Gary Greenberg is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Real Estate Law

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

William Gary Greenberg is one of 316,149 real estate attorneys indexed nationally. Browse real estate 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 Purchase 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 Purchase or all attorneys in New York.

Frequently Asked

Common questions about William Gary Greenberg

Where is William Gary Greenberg's law office located?
William Gary Greenberg's law practice is located in Purchase, New York. The firm is Greenberg & Massarelli, LLP. You can contact the office directly through this profile page.
What practice areas does William Gary Greenberg handle?
William Gary Greenberg focuses on personal injury, family law, business, real estate. Each practice area listed reflects experience handling cases of that type in New York.
How long has William Gary Greenberg practiced law?
William Gary Greenberg has 53+ years of legal experience and has been licensed since 1973.
Where did William Gary Greenberg go to law school?
William Gary Greenberg earned their education at (LL.M New, 1975); (J.D., 1973).
How can I contact William Gary Greenberg for a consultation?
You can contact William Gary Greenberg 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

LL.M New
Lafayette College A.B. New York University School of Law
- 1975
J.D.
Syracuse University
- 1973

Bar Admissions

New York
Admitted: 1973
U.S. District Court, Southern District of New York
Admitted: 1975
U.S. District Court, Eastern District of New York
Admitted: 1978
Florida
Admitted: 1987
U.S. Supreme Court
Admitted: 1989

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