Kelly Real Estate Inc. and Kelly Development Corp. are full-scale Real Estate Developers, Brokerage, and General Contractors operating out of Stony Brook, NY. Our company has been directly involved in the construction of over 2,000 homes across Long Island. We specialize in New Construction, Custom Homes, General Contracting, Consulting, Land Use and Entitlement, Acquisitions, Sales, Marketing, Commercial, and Multifamily Buildings, and Real Estate Services spanning communities across Long Island.