Articles from Diamond Properties
Diamond Properties announced today that it has executed a lease with MFQ Medical Services LLC, operating as GreenwichMD, at 1351 Washington Boulevard in Stamford, Connecticut. The transaction was managed by Matt Mastrianni, Leasing Manager for Diamond Properties.
By Diamond Properties · Via Business Wire · February 18, 2026
Diamond Properties, a leader in hands-on commercial property management, market repositioning, and capital upgrades, has once again been recognized as one of Westchester’s top businesses. The company has proudly earned six wins from Westchester Magazine’s “Best of Business” Awards, underscoring its continued commitment to enhancing the value and performance of real estate assets.
By Diamond Properties · Via Business Wire · September 4, 2025
Diamond Properties, a leading real estate investment firm, is pleased to announce the acquisition of two high-quality industrial properties: 621 Wilmer Avenue in Cincinnati, Ohio and I-271 Commerce Center in Mayfield Village, Ohio. This strategic expansion enhances Diamond Properties' presence in key logistics and distribution markets, reinforcing its commitment to long-term value creation.
By Diamond Properties · Via Business Wire · June 17, 2025

Diamond Properties, a trailblazer in commercial real estate development and management, has been inducted into the Building Owners and Managers Association (BOMA) of Westchester’s Hall of Honor during the company’s 30th anniversary year. The honor was presented at the association’s 33rd Annual Hall of Honor Awards Dinner on May 15 at Abigail Kirsch at Tappan Hill, Tarrytown, NY.
By Diamond Properties · Via Business Wire · May 29, 2025

As Diamond Properties celebrates its 30th anniversary, the company reflects on three decades of visionary investments and sustained expansion in the commercial real estate sector. Over the past year, Diamond Properties has significantly grown its portfolio with key acquisitions in Ohio, North Carolina, Indianapolis, and Florida, alongside three additional properties acquired in late 2023. This period of expansion added 1.4 million square feet of commercial space, bringing the company's holdings to an impressive 16.6 million square feet across 98 properties and 143 buildings.
By Diamond Properties · Via Business Wire · March 12, 2025