Choyce Peterson Representing Office Sublease at 400 Atlantic Street in Stamford, CT (18,589 – 38,566 SF)

Choyce Peterson, Inc. (, a full-service commercial real estate brokerage firm, 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. This 508,043 SF building was recently purchased by George Comfort & Sons, Inc. and AVG Partners. Choyce Peterson Principal John Hannigan and Vice President Charlene O’Connell comprise the brokerage team representing the sublease.

400 Atlantic Street is a 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. George Comfort & Sons, Inc. is a top regional commercial real estate investment and management company in its 10th decade of growth. The new owner intends to invest in numerous upgrades of the building including the lobby, cafeteria with outdoor seating, and fitness center. Additional features include on-site property management and security.

The sublease space can be easily subdivided to a ½ floor of approximately 18,589 SF, or leased as an entire floor of 38,566 SF. The 11th floor location offers panoramic views of Long Island Sound and Stamford. This built-out, modern space has eighteen offices/conference rooms, several large open areas for workstations, and multiple kitchens with seating areas. High-end furniture and fixtures can be made available upon request. The sublease term is through late 2026.

Hannigan commented, “We are excited to offer this exceptional office sublease in a building newly purchased by one of the preeminent commercial building owners in the region, who has completed a total renovation of nearby 677 Washington Boulevard. The available sublease offers a flexible layout that can accommodate almost any type of office user. With its convenient location to both I-95 and the Stamford Train Station, and the spectacular planned building renovations, this availability presents the perfect turnkey solution for companies looking to move to a renovated class A building in Stamford.”