Prevu by reAlpha
BuySellBlogBrowse Listings

27 Cognewaugh RoadCos Cob, CT 06807

For Sale

$3,800,000

Smart Buyer Rebate $38,000

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

·

License #RES.0811555

·

Houlihan Lawrence

·

646-361-3672

Last updated June 15, 2026

·

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.

Full MLS Disclaimers

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.