Atty. Steve Mastbaum
Steve Mastbaum focuses his practice on partnerships, mergers and acquisitions, and restructurings and bankruptcies. Concentrations •Transactional tax practice involving federal, state, and local with a particular emphasis on real estate transactions and restructuring. •Tax controversies involving the Internal Revenue Service and New York State. •Non-qualified employee compensation and severance matters. •Partnership and limited liability companies. •Investment funds.
Benefits & Compensation & More Attorney · Serving New York, NY · 48+ Years Experience
Profile Summary
About Steve Mastbaum at a Glance
Steve Mastbaum is a Shareholder based in New York, New York, practicing at Greenberg Traurig, LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on real estate, tax, international tax, estate tax, and international. Admitted to practice in New York (1978). Educated at Cornell Law School J.D. Cornell Law Review Cornell Law School J.D. 1977 Editor Cornell Law School J.D. magna cum laude New York University School of Law (LL.M. Taxation, 1981) and City University of New York at Brooklyn College (B.S., 1973). Recognitions include AV Preeminent. Active member of Professional & Community Involvement •Member, New York State Bar Association. Serves clients in New York, NY and the surrounding metropolitan area.
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About Steve Mastbaum
- Steve Mastbaum focuses his practice on partnerships, mergers and acquisitions, and restructurings and bankruptcies
- Concentrations •Transactional tax practice involving federal, state, and local with a particular emphasis on real estate transactions and restructuring. •Tax controversies involving the Internal Revenue Service and New York State. •Non-qualified employee compensation and severance matters. •Partnership and limited liability companies. •Investment funds
- Recognition & Leadership Awards & Accolades •Listed, IFLR1000, 'Notable Practitioner,' M&A, 2019-2025 •Listed, Super Lawyers magazine, New York Metro Super Lawyers, 2006-2025 •Team Member, a Law360 'Real Estate Practice Group of the Year,' 2023 •Selected, Legal Elite - Real Estate, AVENUE magazine, April 2011 •Rated, AV Preeminent 5.0 out of 5.0
Practice Areas Explained
Steve Mastbaum's Areas of Legal Practice
Each practice area below reflects the types of cases Steve Mastbaum handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.
Real Estate Law in New York
Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.
Steve Mastbaum is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in New York →
Tax Law in New York
Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.
Steve Mastbaum is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in New York →
International Tax in New York
Steve Mastbaum is one of 1,680 international tax attorneys indexed nationally. Browse international tax attorneys in New York →
Estate & Gift Tax in New York
Steve Mastbaum is one of 3,731 estate tax attorneys indexed nationally. Browse estate tax attorneys in New York →
International Law in New York
International law attorneys for cross-border transactions, trade, foreign investment, and treaties.
Steve Mastbaum is one of 39,787 international attorneys indexed nationally. Browse international 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 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.
New York Courts and Legal Process
Choosing a New York-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.
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Professional Profile
Why Clients in New York Choose Steve Mastbaum
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 Steve Mastbaum's practice in the field of real estate, tax, international tax, estate tax, and international.
Decade-Tested Legal Experience
Steve Mastbaum brings 48+ 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 real estate, tax, and international tax, Steve Mastbaum can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in New York
A New York-based practice means Steve Mastbaum 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 Steve Mastbaum Handles in New York
Below is a representative sample of the types of matters Steve Mastbaum 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.
This list is illustrative, not exhaustive. Contact Steve Mastbaum directly to discuss the specifics of your situation.
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How People Find Steve Mastbaum Online
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Steve Mastbaum's Practice Areas & Specializations
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