Atty. Robert Mastrantonio

Atty. Robert Mastrantonio

Robert Mastrantonio is a lawyer practicing insurance, estate planning, real estate. Robert received a B.S. degree from State University of New York at Stony Brook in 1987, and has been licensed for 33 years.

Northport Northport 33 yrs experience 33 year
Call (516) 966-1240 Book Appointment

Estate Planning & More Attorney · Serving Northport, NY · 33+ Years Experience

Profile Summary

About Robert Mastrantonio at a Glance

Robert Mastrantonio is a estate planning, real estate, and insurance attorney based in Northport, New York. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in New York (1993). Educated at Touro College Jacob D. Fuschberg Law Center (J.D., 1992) and State University of New York at Stony Brook (B.S., 1987). Serves clients in Northport, NY and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Robert Mastrantonio

  • Robert Mastrantonio is a lawyer practicing insurance, estate planning, real estate
  • Robert received a B.S. degree from State University of New York at Stony Brook in 1987, and has been licensed for 33 years
  • Robert practices in Northport, NY

Practice Areas Explained

Robert Mastrantonio's Areas of Legal Practice

Each practice area below reflects the types of cases Robert Mastrantonio handles, with a practical overview of what that area of law involves and how it may apply to your situation in Northport.

Estate Planning & Probate in Northport

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

Robert Mastrantonio is one of 224,789 estate planning attorneys indexed nationally. Browse estate planning attorneys in New York →

Real Estate Law in Northport

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

Robert Mastrantonio is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

Insurance Law in Northport

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Robert Mastrantonio is one of 120,903 insurance attorneys indexed nationally. Browse insurance attorneys in New York →

Jurisdictional Context

Why Local Counsel Matters in Northport

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 Northport 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 venue, 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.

Northport Courts and Legal Process

Choosing a Northport-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional New York attorneys? Browse all attorneys in Northport or all attorneys in New York.

Frequently Asked

Common Questions About Robert Mastrantonio

Where is Robert Mastrantonio's law office located?
Robert Mastrantonio's law practice is located in Northport, New York. You can contact the office directly through this profile page.
What practice areas does Robert Mastrantonio handle?
Robert Mastrantonio focuses on estate planning, real estate, insurance. Each practice area listed reflects experience handling cases of that type in New York.
How long has Robert Mastrantonio practiced law?
Robert Mastrantonio has 33+ years of legal experience and has been licensed since 1993.
Where did Robert Mastrantonio go to law school?
Robert Mastrantonio earned their education at (J.D., 1992); (B.S., 1987).
How can I contact Robert Mastrantonio for a consultation?
You can contact Robert Mastrantonio 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.

Professional Profile

Why Clients in Northport Choose Robert Mastrantonio

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Robert Mastrantonio's practice in the field of estate planning, real estate, and insurance.

Decade-Tested Legal Experience

Robert Mastrantonio brings 33+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering estate planning, real estate, and insurance, Robert Mastrantonio can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Northport

A Northport-based practice means Robert Mastrantonio attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Robert Mastrantonio Handles in Northport

Below is a representative sample of the types of matters Robert Mastrantonio has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Last wills and testaments
Estate Planning
Revocable living trusts
Estate Planning
Powers of attorney
Estate Planning
Probate proceedings
Estate Planning
Residential property transactions
Real Estate
Commercial lease disputes
Real Estate
Title and deed issues
Real Estate
Landlord-tenant conflicts
Real Estate

This list is illustrative, not exhaustive. Contact Robert Mastrantonio directly to discuss the specifics of your situation.

Search Reference

How People Find Robert Mastrantonio Online

Prospective clients searching for legal help in Northport commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Robert Mastrantonio.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Robert Mastrantonio directly.

Robert Mastrantonio's Practice Areas & Specializations

Education & Law School Background

J.D.
Touro College Jacob D. Fuschberg Law Center
- 1992
B.S.
State University of New York at Stony Brook
- 1987

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1993

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