Atty. Robert Donald Costello

Atty. Robert Donald Costello

Robert Donald Costello is a lawyer practicing estate planning, trust and estate administration, estate and gift taxes. Robert Donald received a A.B. degree from College of the Holy Cross in 1957, and has been licensed for 56 years.

New York New York 56 yrs experience 56 year
Call (301) 450-1179 Book Appointment

Profile Summary

About Robert Donald Costello at a glance

Robert Donald Costello is a Member based in New York, New York, practicing at Costello & Associates A Professional Corporation. They have 56+ years of legal experience, licensed to practice since 1970. Their practice focuses on trusts, probate, estate planning, and estate tax. Admitted to practice in U.S. District Court, Southern District of New York (1970), U.S. District Court, Eastern District of New York (1970), New York (1970), and Connecticut (1980). Educated at Brooklyn Law School (J.D., 1969) and College of the Holy Cross (A.B., 1957). Active member of Association of the Bar of the City of New York. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Robert Donald Costello is a lawyer practicing estate planning, trust and estate administration, estate and gift taxes
  • Robert Donald received a A.B. degree from College of the Holy Cross in 1957, and has been licensed for 56 years
  • Robert Donald practices at Costello & Associates A Professional Corporation in New York, NY

Practice Areas Explained

Robert Donald Costello's Areas of Practice

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

Trusts

Robert Donald Costello is one of 104,171 trusts attorneys indexed nationally. Browse trusts attorneys in New York →

Probate

Robert Donald Costello 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.

Robert Donald Costello is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Estate & Gift Tax

Robert Donald Costello is one of 3,765 estate tax attorneys indexed nationally. Browse estate tax 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 Robert Donald Costello

Where is Robert Donald Costello's law office located?
Robert Donald Costello's law practice is located in New York, New York. The firm is Costello & Associates A Professional Corporation. You can contact the office directly through this profile page.
What practice areas does Robert Donald Costello handle?
Robert Donald Costello focuses on trusts, probate, estate planning, estate tax. Each practice area listed reflects experience handling cases of that type in New York.
How long has Robert Donald Costello practiced law?
Robert Donald Costello has 56+ years of legal experience and has been licensed since 1970.
Where did Robert Donald Costello go to law school?
Robert Donald Costello earned their education at (J.D., 1969); (A.B., 1957).
How can I contact Robert Donald Costello for a consultation?
You can contact Robert Donald 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.
Brooklyn Law School
- 1969
A.B.
College of the Holy Cross
- 1957

Bar Admissions

U.S. District Court, Southern District of New York
Admitted: 1970
U.S. District Court, Eastern District of New York
Admitted: 1970
New York
Admitted: 1970
Connecticut
Admitted: 1980

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