Office Sublease Available 400 Atlantic Street in Stamford, CT Spectacular Building Renovations Underway by New Ownership

Norwalk, CT March 6, 2023 – Choyce Peterson, Inc. ( is exclusively representing a sublease consisting of 18,589 (half-floor) to 38,566 square feet (SF) (full-floor) at 400 Atlantic Street in Stamford, CT. Choyce Peterson Principal John Hannigan and Vice President Charlene O’Connell comprise the brokerage team representing the sublease.

“The progress of the lobby and amenity renovations is stunning. This will truly be one of Stamford’s finest buildings by year-end 2023. Our sublease space offers the ideal economical opportunity for a company to relocate to a beautifully renovated building in a fully built-out space with deluxe furniture available, and enjoy best-in-class amenities in the perfect location in downtown Stamford,” Hannigan stated.

This 508,043 SF building at 400 Atlantic Street was purchased by George Comfort & Sons, Inc. and AVG Partners in April 2022. George Comfort & Sons, Inc. is a top regional commercial real estate investment and management company in its 10th decade of growth. After purchasing this stand-alone office building in the heart of downtown Stamford, conveniently located 0.3 miles from Exit 7 of I-95 and less than a 5-minute walk from the Stamford Train Station, the new owners are well on their way to completing impressive capital improvements of the lobby, fitness center, café and sprawling outdoor terrace with ample seating.

The lobby will include a stunning double-height, expanded glass façade with an haute monumental grand staircase seamlessly connecting to a fully dedicated amenity space. Coupled with the state-of-the-art conference and collaboration spaces and on-site property management and security, this will truly be a first class, amenity-rich office building similar to George Comfort’s renovations completed at their building at 677 Washington Boulevard in Stamford.

The sub leasable space on the 11th floor offers panoramic views of Long Island Sound and Stamford. The office can be easily subdivided to a ½ floor of approximately 18,589 SF, or leased as an entire floor of 38,566 SF. There are eighteen offices/conference rooms in this built-out, modern space, and several large open areas for workstations and multiple kitchens with abundant seating areas. High-end furniture and fixtures are available as well.

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About Choyce Peterson, Inc.

Choyce Peterson, Inc., a full service commercial real estate brokerage firm with offices in Norwalk, CT and Rye Brook, NY, was founded in 1997 and has negotiated millions of square feet of transactions in 42 states and Canada. The Choyce Peterson process delivers comprehensive and creative real estate solutions to ensure clients derive maximum value from their real estate decisions.