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Deals & Dealmakers

Newmark to Lead Leasing at Newly Renovated Office Building at 145 Mason Street in Greenwich, Connecticut

Newmark announces the firm has been exclusively retained for the marketing and leasing of 145 Mason Street in downtown Greenwich, Connecticut. The 37,602-square-foot Class A office building is undergoing a full gut renovation and coming to market for the first time in over 30 years. Once complete, the property will provide one of the largest, reimagined work environments in the Greenwich market since the start of the pandemic. The building lends itself to one single tenant occupying the entire building, or two floors, each with 18,801 square feet that can be divisible for smaller tenants.


Newmark’s Executive Vice President and Managing Director James Ritman, Senior Managing Director Allan Murphy and Managing Director Ben Goldstein will represent the landlord Win Properties (Win-Wich Mason, LLC) in the leasing of the asset.

“We look forward to advising Win Properties on this reimagined property,” said Ritman. “This highly coveted location, just blocks from Metro North and steps from Greenwich Avenue, offers companies in NYC and Greenwich a highly desirable workplace for employees.”

Before its targeted Q2 2023 delivery, 145 Mason will undergo extensive interior and exterior renovations. Studios Architecture, an international design firm, has been selected to spearhead the project, which includes – upgraded exterior finishes and operable windows, an expanded and modernized lobby, improved entry stairs, walkways and elevators, state-of-the-art security features, two levels of upgraded parking including electric car charging stations, tenant exterior building signage and high-load building electrical capacity.

Further modernizing the asset’s infrastructure, ownership is implementing a series of sustainable upgrades inclusive of highly energy-efficient building systems, including HVAC, roofing, insulation and Merv 13 air filtration with tenant-controlled VRF heating and cooling systems.

Situated in the heart of Greenwich, Connecticut, a global center for the financial services, alternative investment and hedge fund industries, the future tenant of 145 Mason will be joining a community of finance leaders. As the southern and westernmost town in the state, Greenwich is immediately east of the New York State border and Westchester County. 145 Mason offers convenient access to the Metro-North Greenwich train station with express service to Grand Central Station in just 50 minutes, as well as being easily accessible to I-95 and just a few steps away from the iconic Greenwich Avenue, featuring numerous high-end retailers and a bustling restaurant scene.

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