Long Island Commercial Real Estate Brokerage & Property Management
NAI Long Island-Commercial Real Estate Broker-Property Manager
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Welcome to NAI Long Island
NAI Long Island is a full-service commercial real estate firm serving Nassau and Suffolk counties. We represent owners, tenants and investors in the sale and leasing of office, industrial, flex/warehouse, retail and land properties, backed by local market expertise and data-driven research.
- Sales & Leasing: acquisitions and dispositions, leasing, lease renewals and expansions for owners and tenants
- Capital Markets & Investment Sales: buying and selling income-producing properties for investors
- Land: sites for development, redevelopment and owner-users
- Property Management: maintenance coordination, tenant relations and lease administration to improve property performance
- Advisory: commercial real estate appraisals, zoning and land use, feasibility analyses and litigation support
- Receivership: stabilizing distressed assets and recovering value for lenders and institutional investors
- Corporate Services: site selection and portfolio management through NAI Global’s 300+ offices worldwide
Commercial Real Estate Connected
NAI Long Island is a leading commercial real estate firm powered by the largest organization of independent commercial real estate brokers in the world.

Worldwide Reach
Offices worldwide, covering primary and emerging markets.

Local Leadership
Local market professionals with in-depth community knowledge.

Real Deal Flow
In annual transactions across office, industrial, retail, land and hospitality.

Top-Tier Reputation
Proven results, agile operations and regional expertise.
Make Your Move with NAI Long Island
Clients & Properties
Past corporate clients include Hertz, Pepsi, Nike, Bombardier, Coca-Cola Enterprises, Citibank and Dow Chemical.
Talk to a Long Island Commercial Real Estate Expert
Looking to buy, sell or lease commercial property on Long Island, or need a property management team? Call (631) 232-4400.
News & Insights
The latest industry news, market research, and thought leadership from NAI Long Island and NAI Global.
Connect with Us
Long Island Office
1601 Veterans Memorial Highway, Suite 420
Islandia, NY 11749
United States
Main: +1 (631) 232 4400