Atty. Mark I. Zelko

Atty. Mark I. Zelko

Mark Zelko focuses his practice on litigation, dispute resolution, construction and development, and real estate transactions and management. Mark serves as East Coast Chair of the Construction Practice Group.

New York New York 30 yrs experience 30 year
Call (917) 473-1355 Book Appointment

Commercial & More Attorney · Serving New York, NY · 30+ Years Experience

Profile Summary

About Mark I. Zelko at a Glance

Mark I. Zelko is a Partner based in New York, New York, practicing at Leech Tishman. They have 30+ years of legal experience, licensed to practice since 1996. Their practice focuses on business, real estate, construction, litigation, and entertainment. Admitted to practice in New York (1996), U.S. District Court, Eastern District of New York (1999), and U.S. District Court, Southern District of New York (1999). Educated at Boston University (J.D., 1995) and Boston University (B.A., 1992). Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Mark I. Zelko

  • Mark Zelko focuses his practice on litigation, dispute resolution, construction and development, and real estate transactions and management
  • Mark serves as East Coast Chair of the Construction Practice Group
  • For over 25 years, Mark has practiced in the areas of complex commercial and shareholder litigation, construction law, real estate, and commercial transactions
  • He has counseled and represented clients in a broad range of industries ranging from multinational Fortune 500 and publicly-traded companies to start-up ventures and small businesses
  • Given his extensive litigation & transactional experience, Mark often serves as outside general counsel to his clients
  • Mark works closely with his clients as soon as potential litigation emerges to resolve claims within the client’s fiscal constraints and business objectives
  • His experience in complex litigation provides him with a unique perspective and invaluable insight in negotiating construction, real estate, and commercial transactions for his clients so that they may avoid transactional pitfalls and reduce the risk of adverse litigation in these ventures
  • Mark has successfully represented clients in state and federal courts, appellate courts, and in arbitration proceedings and mediation
  • In his litigation practice, he focuses on complex commercial and shareholder litigation matters, including construction litigation, shareholder derivative actions in closely held corporations, “business divorce” and partnership disputes, breach of contract claims, and commercial lease actions
  • In his construction practice, Mark routinely represents developers, property owners, general contractors and subcontractors, and utilizes this wide experience to counsel his clients so that they may confidently navigate the challenges and risks of each project
  • He advises clients in all aspects of construction during the course of their projects, including change order issues, delays, non-payment claims and liens, defective construction, project close-out issues, and termination
  • Mark also counsels project owners and adjacent owners regarding access to neighboring properties for construction projects and negotiates license agreements for access and protection under the RPAPL §881 framework
  • In the arena of construction litigation, Mark has litigated a myriad of construction matters, including defective construction, delay damages, lien and payment disputes, trust fund diversion claims, improper underpinning of adjacent buildings and RPAPL §881 actions for access to and protection of adjacent properties during construction
  • Mark speaks fluent Italian and holds dual citizenship between the United States and Italy
  • He has spent considerable time in Italy and his understanding of the culture and business environment provides him with a unique perspective in representing both Italian clients doing business in the United States and American clients doing business in Italy and the European Union

Practice Areas Explained

Mark I. Zelko's Areas of Legal Practice

Each practice area below reflects the types of cases Mark I. Zelko handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.

Business & Corporate Law in New York

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark I. Zelko is one of 497,491 business attorneys indexed nationally. Browse business attorneys in New York →

Real Estate Law in New York

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

Mark I. Zelko is one of 313,729 real estate attorneys indexed nationally. Browse real estate attorneys in New York →

Construction Law in New York

Mark I. Zelko is one of 40,302 construction attorneys indexed nationally. Browse construction attorneys in New York →

Civil Litigation in New York

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark I. Zelko is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Entertainment & Sports Law in New York

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Mark I. Zelko is one of 45,619 entertainment attorneys indexed nationally. Browse entertainment 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.

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

Frequently Asked

Common Questions About Mark I. Zelko

Where is Mark I. Zelko's law office located?
Mark I. Zelko's law practice is located in New York, New York. The firm is Leech Tishman. You can contact the office directly through this profile page.
What practice areas does Mark I. Zelko handle?
Mark I. Zelko focuses on business, real estate, construction, litigation, entertainment. Each practice area listed reflects experience handling cases of that type in New York.
How long has Mark I. Zelko practiced law?
Mark I. Zelko has 30+ years of legal experience and has been licensed since 1996.
Where did Mark I. Zelko go to law school?
Mark I. Zelko earned their education at (J.D., 1995); (B.A., 1992).
How can I contact Mark I. Zelko for a consultation?
You can contact Mark I. Zelko 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 New York Choose Mark I. Zelko

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 Mark I. Zelko's practice in the field of business, real estate, construction, litigation, and entertainment.

Decade-Tested Legal Experience

Mark I. Zelko brings 30+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in New York, U.S. District Court, Eastern District of New York, and U.S. District Court, Southern District of New York, Mark I. Zelko can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, real estate, and construction, Mark I. Zelko 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 Mark I. Zelko 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 Mark I. Zelko Handles in New York

Below is a representative sample of the types of matters Mark I. Zelko 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.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
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 Mark I. Zelko directly to discuss the specifics of your situation.

Search Reference

How People Find Mark I. Zelko Online

Prospective clients searching for legal help in New York 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 Mark I. Zelko.

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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 Mark I. Zelko directly.

Education & Law School Background

J.D.
Boston University
- 1995
B.A.
Boston University
- 1992

Bar Admissions & Licensed Jurisdictions

New York
Admitted: 1996
U.S. District Court, Eastern District of New York
Admitted: 1999
U.S. District Court, Southern District of New York
Admitted: 1999

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