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SONO 50 Norwalk, CT

Mixed Use: Office & Retail
Year Built: 1972
Construction: Steel & Masonry Construction
Renovated: Summer 2015
Stories: 14
Typical Floor SQFT: 14,400 sq. ft.
Building Size: 195,000 square feet


The newly-renovated and transformed SONO 50 now represents a first-of-its-kind office space designed to meet 21st century needs at every turn. Constructed in 1970, SONO 50 is now where chic meets high-rise lofts – 200,000 square feet that towers 14 stories and offers panoramic views of historic South Norwalk, Norwalk Harbor and beyond to Long Island.

The building’s first-floor entry was designed to complement historic SoNo with new architectural steel canopies, brick, designer lighting and reimagined storefronts. The inviting park plaza and landscaping provide a natural environment and contrast to the new 23-foot glass towers at both the North and South entries of the building. And the lobby: 5,000 brand new square feet constructed to perfectly accommodate the impressive entry with a comfortable co-working area, cafeteria, and convenient bank access.

SONO 50 provides the largest, and highest quality, amenity package available in the local market with ample on-site parking, 100% generator back up providing continual power to the entire building, adjacent to a large city-owned park and plaza, modern conference rooms, video conferencing, WiFi, lounge and gaming areas, a state-of-the art gym with spa-like locker room and a convenient bike rack at the lobby level. Once you step into SONO 50 you experience the full benefits of first class amenities befitting a Class A office building.


  • Hotel Chic Lobby
  • Lobby Attendant & Security
  • High-end Fitness Center
  • Conference Center & Training Facility
  • Lounge & Gaming Room
  • On-site Full Service Bank & Gourmet Cafe
  • 700-Car Capacity Parking Lot
  • Whole Building Generator
  • State-of-the-Art Central Server Room
  • Full time on-site Management and Engineer
  • Expansive Outdoor Green Space and Plaza
  • Steps from many shops, restaurants and entertainment spots
  • Desirable South Norwalk Neighborhood
  • Minutes from major highways including I-95, Rt-15 & Rt-7
  • Walking distance to South Norwalk Train Station

50 Washington Street, Norwalk, CT, United States