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Jack M. Martins

Member

jmartins@harrisbeachmurtha.com
D: (516) 880-8399  
- Long Island, NY Office
- New York, NY Office
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Partner Jack Martins
Profile
Representative Matters
Resources
Distinctions

Jack is a trusted legal and strategic advisor with an extensive history in the public and private sectors. Drawing on deep experience in corporate and transactional law, land use, zoning and complex commercial litigation, Jack counsels national and multinational corporations, real estate developers, municipalities, emerging companies and nonprofit organizations across a wide range of industries.

A seasoned negotiator, Jack has structured, documented and closed sophisticated transactions involving cross-border mergers and acquisitions, venture capital, private equity, project finance and secured and unsecured lending. He advises clients launching or expanding operations in the United States, handling day-to-day corporate matters, as well as complex governance issues. His work also includes guiding clients through high-stakes contract disputes, municipal rezoning and complex litigation. As legal architect to numerous development initiatives – from transit oriented, multifamily and mixed-use projects to innovative redevelopment concepts – he brings practical insight to every engagement.

In addition to his legal practice, Jack is an accomplished public servant. Re-elected in 2024 to his fifth term in the New York State Senate, he serves as ranking member of the Senate’s Housing, Construction and Community Development Committee and sits on committees spanning judiciary, health, corporations, authorities and procurement. Before being elected to the Senate, he served as Mayor of the Village of Mineola, where he led award winning revitalization efforts that transformed the downtown into a pioneering transit-oriented hub and implemented a forward-looking master plan, debt management and tax base strategies.

His professional accomplishments have been recognized widely, including honors from Super Lawyers (Real Estate), the Long Island Press Power List, Long Island Business News, Vision Long Island, the New York Conference of Mayors, the Association for a Better Long Island, Lions Club International and the Republic of Portugal’s Ordem de Mérito.

Insights
July 16, 2024

CFIUS: Rule Would Subject More Real Estate Transactions to Federal Review

More real estate transactions would be subject to CFIUS review, a move that will affect developers throughout the country.
February 27, 2023

Coinbase Insider Trading Shows Crypto Regulation Has Matured

Former Coinbase Global Inc. product manager Ishan Wahi pleaded guilty on Feb. 7 to two counts of wire fraud conspiracy
February 24, 2023

California Blockchain Bookkeeping: DMV Adopts Blockchain Efficiency

Blockchain allows California’s DMV to achieve a better, faster and cheaper administrative process for vehicle record keeping
February 6, 2023

Blockchain and Digital Assets: 2022 In Cryptocurrency

Review of the 2022 highlights in cryptocurrency provides an opportunity to look at the developments of the past year with fresh perspective
July 28, 2022

When Cryptocurrency Gets Too Cryptic: First Charges of Insider Trading Foreshadow Heightened Government Scrutiny

Three individuals are facing criminal and civil charges in the first-ever cryptocurrency insider trading scheme. In its July 21, 2022 announ
March 11, 2022

Executive Order on Digital Assets Addresses Regulatory Uncertainty for Startups

On Wednesday, President Biden finally issued a long-awaited Executive Order (the “Order”) directing the government’s regulatory agencies to
News
October 1, 2026

Harris Beach Murtha Development Project Draws Attention from Newsday

The $130 million mixed-use development brings 172 luxury apartments to a six-story building near Mineola’s Long Island Rail Road station.
September 28, 2026

Real Estate Publication Spotlights Firm’s Long Island Projects

The article highlighted four major projects the firm has helped shepherd to approval.
April 29, 2026

Harris Beach Murtha Real Estate Developers Team Earns Two 2026 LIBN Awards

The awards recognize the region’s most creative and outstanding projects and transactions within the last year.
October 30, 2025

29 Harris Beach Murtha Attorneys Selected to 2025 New York Metro Super Lawyers and Super Lawyers: Rising Stars Lists

Super Lawyers is a nationally recognized professional survey and ranking service of accomplished attorneys.
October 16, 2025

Harris Beach Murtha Helps Bring Professional Soccer to Long Island

The firm represented the owners in negotiating the land rights for the stadium and facilities with Nassau County.
June 26, 2025

Jack M. Martins Named to Long Island Press 2025 Power List

The list recognizes the most influential individuals in the Long Island region for their commitment, impact and influence on the community.
April 24, 2025

Harris Beach Murtha to be Recognized at Long Island Real Estate, Architecture & Engineering Awards

Harris Beach Murtha has been selected as a recipient of the Long Island Business News 2025 Real Estate, Architecture & Engineering Award.
April 10, 2025

Attorney Jack M. Martins Quoted in Long Island Business News

Jack serves as the development team’s counsel for a new transit-oriented luxury apartment building dubbed The Royal Blue in Mineola, N.Y.
Events

Jack Martins Participates in Luso-American Development Foundation Panel

September 18, 2025
Partner Jack Martins Participates in Luso-American Development Foundation International Conference Panel.

Jack Martins to Moderate Panel at Vision Long Island 2021 Smart Growth Summit

November 19, 2021
Jack Martins will moderate a panel on the topic of, “Downtown TOD’s, Part One”, on November 19th at the Vision Long Island 2021 Smart Growth
External Publications

Professional and Civic

  • The Viscardi Center, former member, Board of Directors
  • National Organization of Portuguese Americans, former director
  • New York State Portuguese Civic Association, past president
  • Long Island Portuguese Lions Club, past president
  • County Seat Kiwanis Club, member
  • Energeia Partnership, member

Recognition

  • Super Lawyers, Real Estate, since 2024
  • Long Island Press 2025 Power list, honoree
  • Long Island Business News, Top Smart Growth Project, Real Estate, Architecture & Engineering Awards, 2025 and 2023
  • New York Real Estate Journal, Commercial Real Estate Visionaries Spotlight, 2023
  • Circulo de la Hispanidad
  • Association for a Better Long Island, Distinguished Leadership Award
  • New York Conference of Mayors, John H. Galligan Award
  • Vision Long Island, Smart Growth Award
  • Republic of Portugal, Ordem de Merito
  • Lions Club International, Melvin Jones Fellow for community service
  • Portuguese American Leadership Council, public service leadership award
  • Long Island Press, Top 50 Most Influential Long Islanders
  • Long Island Business News, Forty Under 40
Admissions
New YorkU.S. District Court, New York - Eastern DistrictU.S. District Court, New York - Southern District
Education

St. John's University School of Law

JD 
1991

American University

BA 
1988

Capabilities

Legal Practices

Member of:

Commercial Real Estate

Industry Teams

Co-Leader for:

Real Estate Developers

Member of:

Construction
Financial Institutions
Health Care
Municipalities and Local Agencies
Real Estate Developers
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Partner Jack Martins

Jack M. Martins

Member

jmartins@harrisbeachmurtha.com
Capabilities
People
Harris Beach Murtha Attorneys at Law
Partner Jack Martins

Jack M. Martins

jmartins@harrisbeachmurtha.com
D: (516) 880-8399
Long Island, NY Office
New York, NY Office

Profile

Jack is a trusted legal and strategic advisor with an extensive history in the public and private sectors. Drawing on deep experience in corporate and transactional law, land use, zoning and complex commercial litigation, Jack counsels national and multinational corporations, real estate developers, municipalities, emerging companies and nonprofit organizations across a wide range of industries.

A seasoned negotiator, Jack has structured, documented and closed sophisticated transactions involving cross-border mergers and acquisitions, venture capital, private equity, project finance and secured and unsecured lending. He advises clients launching or expanding operations in the United States, handling day-to-day corporate matters, as well as complex governance issues. His work also includes guiding clients through high-stakes contract disputes, municipal rezoning and complex litigation. As legal architect to numerous development initiatives – from transit oriented, multifamily and mixed-use projects to innovative redevelopment concepts – he brings practical insight to every engagement.

In addition to his legal practice, Jack is an accomplished public servant. Re-elected in 2024 to his fifth term in the New York State Senate, he serves as ranking member of the Senate’s Housing, Construction and Community Development Committee and sits on committees spanning judiciary, health, corporations, authorities and procurement. Before being elected to the Senate, he served as Mayor of the Village of Mineola, where he led award winning revitalization efforts that transformed the downtown into a pioneering transit-oriented hub and implemented a forward-looking master plan, debt management and tax base strategies.

His professional accomplishments have been recognized widely, including honors from Super Lawyers (Real Estate), the Long Island Press Power List, Long Island Business News, Vision Long Island, the New York Conference of Mayors, the Association for a Better Long Island, Lions Club International and the Republic of Portugal’s Ordem de Mérito.

Areas of Expertise

Legal Practices

Member of:

Commercial Real Estate

Industry Teams

Co-Leader for:

Real Estate Developers

Member of:

Construction
Financial Institutions
Health Care
Municipalities and Local Agencies
Real Estate Developers
Please select listing to show.

Admissions

New YorkU.S. District Court, New York - Eastern DistrictU.S. District Court, New York - Southern District

Distinctions

Professional and Civic

  • The Viscardi Center, former member, Board of Directors
  • National Organization of Portuguese Americans, former director
  • New York State Portuguese Civic Association, past president
  • Long Island Portuguese Lions Club, past president
  • County Seat Kiwanis Club, member
  • Energeia Partnership, member

Recognition

  • Super Lawyers, Real Estate, since 2024
  • Long Island Press 2025 Power list, honoree
  • Long Island Business News, Top Smart Growth Project, Real Estate, Architecture & Engineering Awards, 2025 and 2023
  • New York Real Estate Journal, Commercial Real Estate Visionaries Spotlight, 2023
  • Circulo de la Hispanidad
  • Association for a Better Long Island, Distinguished Leadership Award
  • New York Conference of Mayors, John H. Galligan Award
  • Vision Long Island, Smart Growth Award
  • Republic of Portugal, Ordem de Merito
  • Lions Club International, Melvin Jones Fellow for community service
  • Portuguese American Leadership Council, public service leadership award
  • Long Island Press, Top 50 Most Influential Long Islanders
  • Long Island Business News, Forty Under 40
Attorney Advertising. Prior results do not guarantee a similar outcome. © 2026 Harris Beach Murtha Cullina PLLC
Content current as of October 6, 2026 2:51 am