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Lee A. Rosner
SIOR, CCIM

Managing Principal

NAI Long Island

1601 Veterans Hwy Ste 420, Islandia, NY 11749-1528

Market
Long Island
Specialty
Office Specialist
Member Since
2008
Chapter
SIOR New York City and Downstate Chapter
Areas of Practice
Investments, Tenant Representation, Landlord, Corporate Services, Sale/Leasing, Consulting
Accreditations
Real Estate Institute at Stony Brook University, Commercial Industrial Broker Society of Long Island,
Lee Rosner has over 35 years of office and industrial real estate brokerage and property management experience in Nassau and Suffolk Counties on Long Island, New York. He provides both landlord and tenant representation services to his clients. In addition to his corporate real estate practice, he has extensive experience in investment sales, commercial property development, zoning and land use matters, and property management. He has provided expert witness - litigation support/testimony and completed numerous feasibility and market analysis reports. He is currently the Principal Managing Broker of NAI Long Island, a leading full-service commercial brokerage firm based in Islandia, Long Island, NY specializing in commercial real estate services.

In addition to the day to day responsibilities of managing an active office of full-time brokers, property management personnel, and support staff, Lee is consistently a top producing broker. He has earned numerous awards for high achievements as a commercial real estate professional including CoStar's Power Broker Award. He is an active participant in the SIOR New York Metro Chapter, the Real Estate Institute at Stony Brook University, and the Commercial Industrial Brokers Society.

Lee is a native New Yorker and earned his B.S. from Syracuse University. He holds a New York State Broker's License and has completed hundreds of hours of industry-specific education over his many years in the commercial real estate business. Lee holds the prestigious CCIM and SIOR designations and is an Adjunct Professor at Stony Brook University's MBA Program (2010 - present).

Lee served as a Trustee of the Incorporated Village of Port Jefferson from 2010-2014. During that time, he was Commissioner of the Port Jefferson Village Building & Planning Department and Trustee Liaison to Planning Board, Port Jefferson Country Club, and Business Improvement District. He was the former Chairman of the Zoning Board of Appeals from 2006-2010.

Lee resides in Port Jefferson with his wife Dominique. They have two grown children, Marcel & Lucie. grown children, Marcel & Lucie.
Lee Rosner has over 35 years of office and industrial real estate brokerage and property management experience in Nassau and Suffolk Counties on Long Island, New York. He provides both landlord and tenant representation services to his clients. In addition to his corporate real estate practice, he has extensive experience in investment sales, commercial property development, zoning and land use matters, and property management. He has provided expert witness - litigation support/testimony and completed numerous feasibility and market analysis reports. He is currently the Principal Managing Broker of NAI Long Island, a leading full-service commercial brokerage firm based in Islandia, Long Island, NY specializing in commercial real estate services.

In addition to the day to day responsibilities of managing an active office of full-time brokers, property management personnel, and support staff, Lee is consistently a top producing broker. He has earned numerous awards for high achievements as a commercial real estate professional including CoStar's Power Broker Award. He is an active participant in the SIOR New York Metro Chapter, the Real Estate Institute at Stony Brook University, and the Commercial Industrial Brokers Society.

Lee is a native New Yorker and earned his B.S. from Syracuse University. He holds a New York State Broker's License and has completed hundreds of hours of industry-specific education over his many years in the commercial real estate business. Lee holds the prestigious CCIM and SIOR designations and is an Adjunct Professor at Stony Brook University's MBA Program (2010 - present).

Lee served as a Trustee of the Incorporated Village of Port Jefferson from 2010-2014. During that time, he was Commissioner of the Port Jefferson Village Building & Planning Department and Trustee Liaison to Planning Board, Port Jefferson Country Club, and Business Improvement District. He was the former Chairman of the Zoning Board of Appeals from 2006-2010.

Lee resides in Port Jefferson with his wife Dominique. They have two grown children, Marcel & Lucie.
  • SIOR Designee
  • CCIM Designee
  • BS. Syracuse University
Lee Rosner, SIOR, CCIM
NAI Long Island
Islandia, NY
Ralph Benzakein, SIOR, LEED® AP
Cresa Long Island
Melville, NY
Office Lease
$967,752
14,600 Sq. Ft.
January 10, 2023 Central Islip, NY

Lee Rosner, SIOR, CCIM
NAI Long Island
Islandia, NY
Michael Maroon, SIOR
The Acclaim Group
Cranford, NJ
Office Lease
18,855 Sq. Ft. / 9 Acres
July 6, 2016 Hauppauge, NY

Lee represented Teachers Federal Credit Union

Michael represented Paychex, Inc.

There is no committee participation shown within the last five years. For questions or concerns, please contact membership at 202.449.8200.
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