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SONO 50 is easily one of the premier office spaces in Fairfield County, CT. The recent renovations have brought this building into the 21st century with new sleek and modern designs, and I am proud to call SONO 50 my office when meeting with clients here.

I'm currently leasing an office at SONO 50 and it's great to be back in an office environment coming from months working from home. It's a beautiful space with great amenities including a lounge and a gym. It's quiet, the other tenants are friendly and professional, and it's very safe. Jennifer Drolet is the point person for leasing and she is amazing!

Location is good with easy access to train station, highway, parking, and restaurants. Amazing view from the rooftop and great place to work! The newly added amenities such as the gym, game room, and kitchen on my coworking floor add a ton of additional value rarely seen in other office spaces.
Posted on Google![]()
Gavin ReynoldsTrustindex verifies that the original source of the review is Google.
Excellent facilities and service from Brenda thorough out, top class.Posted on Google![]()
Joshua GilmanTrustindex verifies that the original source of the review is Google.
I am currently a tenant in this building as of May 2026 and it is has been nothing but an amazing experience. They fitted out my office exactly as we requested and we moved in on time with no issues. The staff is wonderful, the building is safe and clean and we are very happy. Additionally they are big into tenant appreciation and always have a monthly get together of some sort in the building with food drinks and entertainment. Cannot ask for more.Posted on Google![]()
Grafic Store AgenciaTrustindex verifies that the original source of the review is Google.
Simply spectacular! The views from our SONO 50 office are unreal and give us so much daily inspiration (the rooftop is an absolute hit for both meetings and our video productions). It's exactly what our creative agency was looking for. The amenities are great, and the atmosphere feels very professional but still inviting. If you want a space that elevates your business, this is it. Don't hesitate to book a tour!Posted on Google![]()
John CasanoTrustindex verifies that the original source of the review is Google.
SONO 50 looks far better from the inside than the outside. The building’s exterior is plain, and the parking lot can feel sketchy at night with a noticeable homeless population in the area. Step through the doors, though, and it transforms. The lobby and interior are genuinely beautiful. The crowd is professional in the best way: lawyers, real estate traders, and other successful people doing serious work. No young startup energy here, which is exactly what this space is for. I’ve worked out of both a small office and a cubicle, and both setups were excellent. The lobby deli is a highlight — the guys running it are super friendly and the food is great. The surrounding town has plenty of lunch options, and getting here by train is easy. The downstairs amenities are where it really shines. The gym is beautiful (no windows, almost never crowded). The gym bathroom is almost comically overbuilt compared to the gym itself — always spotless, plenty of room. The basement has a pool table, ping pong, and other games, plus a game room with video games, so there’s always somewhere to relax. They also host events about once a month. Highly recommended if you want a professional environment with real amenities.Posted on Google![]()
PW GiddingsTrustindex verifies that the original source of the review is Google.
Beautiful building, Lou’s deli is my favorite lunch spot.Posted on Google![]()
Mike KaesmannTrustindex verifies that the original source of the review is Google.
Sono 50 offers more than a place to work. It’s a place where I belong. They offer great events, it really feels more like a community!Posted on Google![]()
Ben ConrowTrustindex verifies that the original source of the review is Google.
SoNo 50 is the best! Fun building activities and a great workspace!Posted on Google![]()
Jack BalabanTrustindex verifies that the original source of the review is Google.
Great, clean, nice, very well done! 👍
SONO 50 offers newly renovated loft-style prebuilt and built-to-suit office spaces typically ranging from 2,000-14,800 SF, the building’s office spaces feature an exceptional industrial design with open ceilings, polished concrete floors, & floor-to-ceiling glass.
This turnkey office suite on the 3rd floor offers 3,000 square feet of thoughtfully designed space. Bright and airy, the suite features 3 private offices, 2 privacy booths, and a flexible floor plan.
The pre-built office on the 2nd floor offers 3,600 square feet of modern, elegantly designed workspace. It includes a large open area, 5 private offices, and a 600 sqft private terrace.
The pre-built office on the 6th floor offers 7,200 square feet of modern, elegantly designed workspace. It features a large open area, 6 private offices, ample storage, and a flexible floor plan.
Whether it’s an office for 1 person or a larger team, enjoy all the amenities of our Class A building, including 24/7 access and a pet friendly environment! | Starting at just $850 per month
Open Workstations provide all amenities of our coworking plans | Starting at just $399 per month
SONO 50 is the ideal office space solution in the vibrant heart of historic South Norwalk, CT. From flexible coworking spaces in Norwalk to private offices and state-of-the-art conference facilities, our building has everything you need.