Atty. John A. Costagliola

Atty. John A. Costagliola

John A. Costagliola is a lawyer practicing trust law, estate planning, corporate law and 2 other areas of law.

Staten Island Staten Island 34 yrs experience 34 year
Call (929) 895-3979 Book Appointment

Profile Summary

About John A. Costagliola at a glance

John A. Costagliola is a Member based in Staten Island, New York, practicing at John A. Costagliola, Esq.. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on trusts, estate planning, business, and real estate. Admitted to practice in New York (1992). Educated at Brooklyn Law School (J.D., 1991) and New York University (B.A., 1987). Serands clients in Staten Island, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John A. Costagliola is a lawyer practicing trust law, estate planning, corporate law and 2 other areas of law
  • John received a B.A. degree from New York University in 1987, and has been licensed for 34 years
  • John practices at John A. Costagliola, Esq. in Staten Island, NY

Practice Areas Explained

John A. Costagliola's Areas of Practice

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

Trusts

John A. Costagliola is one of 104,171 trusts attorneys indexed nationally. Browse trusts 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.

John A. Costagliola is one of 226,536 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.

John A. Costagliola 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.

John A. Costagliola 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 Staten Island 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 Staten Island or all attorneys in New York.

Frequently Asked

Common questions about John A. Costagliola

Where is John A. Costagliola's law office located?
John A. Costagliola's law practice is located in Staten Island, New York. The firm is John A. Costagliola, Esq.. You can contact the office directly through this profile page.
What practice areas does John A. Costagliola handle?
John A. Costagliola focuses on trusts, estate planning, business, real estate. Each practice area listed reflects experience handling cases of that type in New York.
How long has John A. Costagliola practiced law?
John A. Costagliola has 34+ years of legal experience and has been licensed since 1992.
Where did John A. Costagliola go to law school?
John A. Costagliola earned their education at (J.D., 1991); (B.A., 1987).
How can I contact John A. Costagliola for a consultation?
You can contact John A. Costagliola 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
- 1991
B.A.
New York University
- 1987

Bar Admissions

New York
Admitted: 1992

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