NAI Long Island secures property management assignment of two prime medical office parks on Long Island, NY

PROPERTY MANAGEMENT • LONG ISLAND

NAI LONG ISLAND SECURES PROPERTY MANAGEMENT ASSIGNMENT OF TWO PRIME MEDICAL OFFICE PARKS

New assignments totaling 45,858 square feet in Centereach and Nesconset expand NAI Long Island’s property management portfolio across Long Island.

23 S Howell Avenue, Centereach, NY 22,158 SF •MEDICAL OFFICE

57-61 Southern Boulevard, Nesconset, NY 23,700 SF •MEDICAL OFFICE

2 PROPERTIES

45,858 TOTAL SF

2 TOWNS SERVED

2 NEW ASSIGNMENTS

Islandia, New York —September 23, 2026 — NAI Long Island, an affiliate of NAI Global, a leading full-service commercial real estate company providing brokerage and advisory services, is pleased to announce two new property management assignments; Nicolls Professional Park, 23 S Howell Ave, Centereach, NY and Southern Blvd Professional Park, 57-61 Southern Blvd, Nesconset, NY. Both properties are fully leasing multi-tenant medical office parks totaling 45,858 RSF. Both properties are home to a number of specialty medical practices that are primarily operated by large NY Metro hospital systems. These assignments further strengthen NAI Long Island’s long-standing presence on Long Island and underscores the firm’s expertise in managing specialized assets.

The opportunities were procured by Lee Rosner, who continues to focus on relationship-driven business development and client service excellence on behalf of NAI Long Island’s ownership clients. NAI Long Island looks forward to delivering best-in-class property management services that support both ownership objectives and tenant success at both properties.

█ PROPERTY COMPARISON

DEAL SUMMARY	23 S Howell Avenue, Centereach	57-61 Southern Boulevard, Nesconset
Asset Class	Medical office	Medical office
Building Size	22,158 SF	23,700 SF
Assignment Type	Property Management	Property Management
Procured By	Lee Rosner	Lee Rosner
Location	Centereach, NY	Nesconset, NY

MANAGEMENT SCOPE Under these new assignments, NAI Long Island will oversee day-to-day operations, tenant relations, and ownership reporting for both properties. Property owners and prospective tenants are encouraged to contact NAI Long Island directly for leasing and management inquiries.

█ MARKET CONTEXT

These assignments reflect NAI Long Island’s continued growth in managing specialized medical and professional office assets across Suffolk County. Both assignments underscore NAI Long Island’s disciplined approach to property management execution on behalf of ownership clients.

█ About NAI Long Island

NAI Long Island (NAI-LI) is an affiliate of NAI Global. NAI-LI is a commercial real estate brokerage and advisory firm offering tenant and ownership representation, consulting services, land use and zoning expertise, litigation assistance, property management, and—as a newly launched feature of the firm—comprehensive commercial appraisals and valuation services, all supported by the worldwide reach of NAI Global.

With a deep understanding of Long Island’s office and industrial markets, NAI-LI has successfully sold or leased hundreds of commercial properties across the region. In addition to its active landlord and tenant representation, the firm’s expanded service suite now features professional commercial appraisals, providing clients with precise, market-driven valuations to support acquisitions, financing, estate planning, and asset management.

Licensed as a Real Estate Broker in the State of New York, NAI-LI negotiates leases, advises on property marketing strategies, and has handled transactions involving office buildings, industrial/warehouse flex properties, retail assets, and land—earning a reputation as one of Long Island’s most respected and versatile commercial real estate firms.

To learn more, visit www.nailongisland.com