27 Cognewaugh Road

Cos Cob, CT 06807

  • $3,800,000
  • 5 Beds
  • 4/1 Baths
  • 4,916 Sqft
  • 0.42 Acres
  • 2007 Built

Beautiful five-bedroom Shingle Style Home set high above the Mianus River, with views of open sky, tree tops and River valley. Spacious floor plan with eat-in gourmet kitchen open to dining room, family room with French doors to large deck and covered outdoor area. Living room lends to patio seating under pergola. Second floor you will find the primary suite with sitting room, ample closet spaces, luxury bath, and screened-in porch with hanging bed. Four addt'l bedrooms, with Jack + Jill bathrooms, round out the second floor. Bonus room on the 3rd flr. Outside you will find a putting green/turf backyard, fire pit + bball hoop. Lower level completes this home with a play space, climbing wall, zip line, as well as office space. Lower level and third floor not included in square footage.

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Property Highlights
  • ELEMENTARY : North Mianus
  • MID. SCHOOL : Eastern
  • NEIGHBORHOOD : 4 - Cos Cob
  • VIEW : Water
  • PRICE/SQFT : $773
  • DAYS ON MARKET : 8
  • MLS : 125198

Additional Information

ADDITIONAL INFORMATION
  • BASEMENT DESCRIPTION: Walk-Out Access, Finished
  • ELEMENTARY SCHOOL: North Mianus
  • MIDDLE SCHOOL: Eastern
  • ON MARKET DATE: 2026-06-11
  • STYLE: Shingle
  • TAX AMOUNT: $21,346
  • TYPE: Residential
  • VIEW: Water
  • YEAR BUILT: 2007
INTERIOR/EXTERIOR FEATURES
  • BEDS: 5
  • CONSTRUCTION MATERIALS: Shingle Siding
  • COOLING: Central Air
  • EXTERIOR FEATURES: Screened, Terrace, Deck
  • FULL BATHS: 4
  • HEAT: Natural Gas, Forced Air
  • INTERIOR FEATURES: Eat-in Kitchen
  • ROOF: Shake

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Location for 27 Cognewaugh Road, Cos Cob, CT

Community

Cos Cob>

Cos Cob

Fairfield County, Connecticut

The lovely coastal community of Cos Cob is situated on the scenic Cos Cob Harbor on Long Island Sound’s north side. It is one of several upscale neighborhoods within the town of Greenwich in southern...

Market Stats for Cos Cob, Connecticut

An exclusive report that informs you of residential real estate sales activity and trends in Cos Cob, Connecticut.

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Information provided by the Greenwich Multiple Listing Service, Inc. © 2026. Listing Courtesy of Rebecca Karson of Houlihan Lawrence (203.869.0700). Data is updated as of 10:39 AM on 06/15/2026