Atty. Mark Joseph Brosnan

Atty. Mark Joseph Brosnan

Mark Joseph Brosnan is a lawyer practicing probate, general practice, estate planning and 4 other areas of law. Mark received a B.S. degree from St.

Elmont Elmont 38 yrs experience 38 year
Call (332) 252-0094 Book Appointment

Profile Summary

About Mark Joseph Brosnan at a glance

Mark Joseph Brosnan is a Partner based in Elmont, New York, practicing at Brosnan & Hegler LLP. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on probate, estate planning, real estate, and tax. Admitted to practice in New York (1988) and District of Columbia U.S. District Court, Southern District of New York U.S. District Court, Eastern (1991). Educated at St. John's University (J.D. Accounting, 1988) and St. John's University (B.S. Accounting, 1984). Recognitions include AV Preeminent. Active member of Nassau County (Member, Sections on: Banking Law Trusts and Estates), New York State (Member: Creditors' Rights Committee, Section on Commercial and Federal Litigation Trusts and Estates Section) and American Bar Associations. Serands clients in Elmont, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Joseph Brosnan is a lawyer practicing probate, general practice, estate planning and 4 other areas of law
  • Mark received a B.S. degree from St. John's University in 1984, and has been licensed for 38 years
  • Mark practices at Brosnan & Hegler LLP in Elmont, NY

Practice Areas Explained

Mark Joseph Brosnan's Areas of Practice

Each practice area below reflects the types of cases Mark Joseph Brosnan handles, with a brief overview of what that area of law covers.

Probate

Mark Joseph Brosnan 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.

Mark Joseph Brosnan is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Real Estate Law

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

Mark Joseph Brosnan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark Joseph Brosnan is one of 85,302 tax attorneys indexed nationally. Browse 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 Elmont 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 Elmont or all attorneys in New York.

Frequently Asked

Common questions about Mark Joseph Brosnan

Where is Mark Joseph Brosnan's law office located?
Mark Joseph Brosnan's law practice is located in Elmont, New York. The firm is Brosnan & Hegler LLP. You can contact the office directly through this profile page.
What practice areas does Mark Joseph Brosnan handle?
Mark Joseph Brosnan focuses on probate, estate planning, real estate, tax. Each practice area listed reflects experience handling cases of that type in New York.
How long has Mark Joseph Brosnan practiced law?
Mark Joseph Brosnan has 38+ years of legal experience and has been licensed since 1988.
Where did Mark Joseph Brosnan go to law school?
Mark Joseph Brosnan earned their education at (J.D. Accounting, 1988); (B.S. Accounting, 1984).
How can I contact Mark Joseph Brosnan for a consultation?
You can contact Mark Joseph Brosnan 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 Mark Joseph Brosnan received?
Mark Joseph Brosnan's notable recognition includes: AV Preeminent.

Education

J.D. Accounting
St. John's University
- 1988
B.S. Accounting
St. John's University
- 1984

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1988
District of Columbia U.S. District Court, Southern District of New York U.S. District Court, Eastern
Admitted: 1991

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