Premier Multi-Tenant Office Investment with Significant Value-Add Potential 139 South Street presents a rare opportunity to acquire a well-maintained, fully occupied office building in the heart of New Providence's thriving business district. This approximately 23,000-square-foot property offers stable in-place cash flow, an excellent tenant mix, and a compelling opportunity to substantially increase income through the future build-out of the existing third floor. The building is currently 100% occupied providing investors with immediate, dependable cash flow. The framed and enclosed third floor is already served by an elevator and existing building infrastructure, creating a unique opportunity to add approximately 5,600 square feet of additional leasable office space. Once completed and leased, this expansion has the potential to significantly increase rental income and overall asset value. Situated on one of New Providence's primary commercial corridors, the property enjoys outstanding visibility, convenient access to major highways, and is within walking distance of downtown restaurants, retail, and the New Providence train station, providing direct service to New York City. The property also benefits from ample on-site parking and a professional appearance that continues to attract quality office tenants. Investment Highlights: Approximately 23,000 SF multi-tenant office building (17,000+ SF of rentable space and storage on 1st and 2nd floor with an additional 5600+ SF of rentable 3rd floor expansion potential) 100% occupied with stable, diversified tenancy Existing framed and enclosed third floor with approximately 5,600+ SF of rentable expansion potential Elevator service to all floors Excellent parking and accessibility Prime New Providence location near downtown amenities and NJ Transit Significant upside through lease-up of future third-floor space Strong long-term investment in one of Union County's most desirable office markets Whether acquired as a stable income-producing investment or as a strategic value-add opportunity, 139 South Street offers investors the rare combination of immediate cash flow, future income growth, and long-term appreciation potential in a highly sought-after suburban office market.