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145 Mason St
Greenwich, CT 06830
145 Mason Street · Property For Lease

Property Overview
PROPERTY OVERVIEW Available for the first time in 30 years, 145 Mason is undergoing an extensive interior and exterior renovation. The asset will be the newest office availability in town and offers prospective tenants one of the largest blocks of space in a very tight Greenwich market, with the opportunity for one tenant to occupy and control an entire Class A building. RENOVATION DETAILS & FEATURES • New exterior finishes with all new operable windows • Complete landscape renovation with new building entry stairs and handicap access ramp • Modern lobby with state-of-the-art security features • Distinctive on-building exterior signage available for a single tenant occupant • New ADA-compliant elevator with secure access from the garage areas to the main lobby and office floors • Modernized and expanded ADA-compliant restroom facilities • Highly energy efficient building systems, including HVAC, roofing, insulation, and windows • Merv 13 air filtration with tenant-controlled VRF heating and cooling • Two levels of upgraded parking with LED lighting, way-finding graphics, and elevator access from both levels • Parking at a ratio of 3.2/1000, with 106 covered spaces and 15 uncovered spaces, including 3 electric charging stations • Full-building back-up generator • High load building electrical capacity • Redundant fiber telecom capacity with dual, separate points of entry
Property Facts
Listing ID: 37962129
Date on Market: 10/6/2025
Last Updated:
Address: 145 Mason St, Greenwich, CT 06830
The Downtown Greenwich Office Property at 145 Mason St, Greenwich, CT 06830 is no longer being advertised on LoopNet.com. Contact Win Properties, Inc. for information on availability.
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