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.
Listed by Rebecca Karson
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License #RES.0811555
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Houlihan Lawrence
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646-361-3672
Last updated June 15, 2026
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Source: FlexMLS #125198
Listing Facts
TypeSingle-family
NeighborhoodCos Cob
Bedrooms5
Bathrooms4.5
Days on Prevu5
Taxes$21,346/year
Size4,916 sqft
Price per sqft$773
Amenities
Private Outdoor Space
Washer/Dryer
Air Conditioning
Parking
Location
Mortgage Calculator
Listing History
06/11/2026
Listed by Houlihan Lawrence
$3,800,000
Property Details for 27 Cognewaugh Road
Exterior
Construction
Roof: Shake
Year Built: 2007
Architectural Style: Shingle
Construction Materials: Shingle Siding
Exterior Features: Putting Green
Features
Patio And Porch Features: Screened Porch, Terrace, Deck
Waterfront Features: Winter Waterviews
Waterfront: Yes
Measurements
Building Area Total: 4,916
Lot Features: Fenced, Hilly
Lot Size Acres: 0.42
Lot Size Area: 0
Lot Size Square Feet: 18,295
Lot Size Units: Acres
Financial
Taxes
Parcel Number: 08-1885/S
Tax Annual Amount: $21,346.00
Tax Assessed Value: $1,727,180.00
Interior
Features
Fireplace: Yes
Fireplaces Total: 2
Interior Features: Eat-in Kitchen, Back Stairs
Rooms
Basement: Walk-Out Access, Finished
Bathrooms Full: 4
Bathrooms Half: 1
Bathrooms Total Integer: 5
Bedrooms Total: 5
Other
Location
City Region: Cos Cob
Parking
Parking
Garage Spaces: 2
Parking Features: Attached Garage
Schools
Elementary School
Elementary School: North Mianus
Middle or Junior School
Middle Or Junior School: Eastern
Utilities
Equipment
Cooling: Central Air
Has Cooling: Yes
Heating: Natural Gas, Forced Air
Has Heating: Yes
Laundry Features: Laundry Room
Sewer: Town Sewer
Water Source: Well
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 5 bedrooms and 4.5 bathrooms in this single-family home at 27 Cognewaugh Road.
What schools are nearby to 27 Cognewaugh Road?
Nearby schools include the North Mianus Elementary School and Eastern Middle School.
Does this single-family home have parking?
Yes, there are 2 parking spaces available for 27 Cognewaugh Road.
What are the annual taxes for 27 Cognewaugh Road?
Annual taxes for this single-family home are estimated at $21,346.
How does 27 Cognewaugh Road compare to other single-family homes in Cos Cob?
This single-family home is listed 52% above the average price for single-family homes in Cos Cob and has been on the market for 14 less days than the typical home in this area.
What is the square footage on this single-family home?
According to the MLS, this listing is 4,916 sqft.
27 Cognewaugh Road is a 5-bedroom, 4.5-bath single-family home for sale in Cos Cob CT 06807. On Prevu for 5 days at $3,800,000. This home features 4,916 square feet of living space, located in Cos Cob. The median listing price for single-family homes in this area is $1,537,500. Nearby schools include North Mianus Elementary School and Eastern Middle School. Property amenities include private outdoor space, air conditioning, parking, and washer/dryer. Browse more single-family home listings in Fairfield County.
Based on information from Greenwich Multiple Listing Service, Inc. and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.
Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.