Atty. William A. Simon III

Atty. William A. Simon III

William A. Simon III is a lawyer practicing wills, trusts and estates, estate administration, probate and 10 other areas of law.

New York New York 50 yrs experience 50 year
Call (929) 605-1790 Book Appointment

Profile Summary

About William A. Simon III at a glance

William A. Simon III is an Attorney based in New York, New York, practicing at McGarry & Simon. They have 50+ years of legal experience, licensed to practice since 1976. Their practice focuses on residential, trusts, probate, estate planning, and business. Admitted to practice in New York (1976), U.S. District Court, Southern District of New York (1977), U.S. District Court, Eastern District of New York (1977), and U.S. Court of Appeals, Second Circuit (1981). Educated at Washington University (J.D. New, 1974) and Duke University (B.A., 1969). Recognitions include AV Preeminent. Active member of The Association of the Bar of the City of New York New York State Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William A. Simon III is a lawyer practicing wills, trusts and estates, estate administration, probate and 10 other areas of law
  • William received a B.A. degree from Duke University in 1969, and has been licensed for 50 years
  • William practices at McGarry & Simon in New York, NY

Practice Areas Explained

William A. Simon III's Areas of Practice

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

Residential Real Estate

William A. Simon III is one of 9,343 residential attorneys indexed nationally. Browse residential attorneys in New York →

Trusts

William A. Simon III is one of 104,172 trusts attorneys indexed nationally. Browse trusts attorneys in New York →

Probate

William A. Simon III is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in New York →

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

William A. Simon III is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning 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 A. Simon III is one of 501,317 business attorneys indexed nationally. Browse business 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 New York 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 New York or all attorneys in New York.

Frequently Asked

Common questions about William A. Simon III

Where is William A. Simon III's law office located?
William A. Simon III's law practice is located in New York, New York. The firm is McGarry & Simon. You can contact the office directly through this profile page.
What practice areas does William A. Simon III handle?
William A. Simon III focuses on residential, trusts, probate, estate planning, business. Each practice area listed reflects experience handling cases of that type in New York.
How long has William A. Simon III practiced law?
William A. Simon III has 50+ years of legal experience and has been licensed since 1976.
Where did William A. Simon III go to law school?
William A. Simon III earned their education at (J.D. New, 1974); (B.A., 1969).
How can I contact William A. Simon III for a consultation?
You can contact William A. Simon III 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 William A. Simon III received?
William A. Simon III's notable recognition includes: AV Preeminent.

Education

J.D. New
Washington University
- 1974
B.A.
Duke University
- 1969

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1976
U.S. District Court, Southern District of New York
Admitted: 1977
U.S. District Court, Eastern District of New York
Admitted: 1977
U.S. Court of Appeals, Second Circuit
Admitted: 1981

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