This home's estimate is 17.5% higher than the average sale price ($3.37M) of 6 comparable homes.
Search- Overview
- Sale & tax history
- Property details
- Neighborhood
- Climate


































27 Cognewaugh Rd, Cos Cob, CT 06807
Is this your home?
Track this home’s value and nearby sales activity
About this home
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.
Redfin Estimate
Market trends in 06807, CT
Last updated July 2026
Buyer's Market
Seller's Market
Seller's market
See all
Provided by Redfin
Homeowner tools
More resources
Track your estimate and nearby sale activity
Review property details and add renovations
Update home photos or make them private
Est. $4,615 per month, based on comparable rentals
Sale and tax history for 27 Cognewaugh Rd
- Sale History
- Tax History
$814/sq ft
$773/sq ft
$773/sq ft
$772/sq ft
$63/sq ft
$87/sq ft
$66/sq ft
Public record
Property details
Parking
- Parking and Garage Information
- # of Garage Spaces: 2
Interior
- Bathroom Information
- # of Full Bathrooms: 4
- # of Half Bathrooms: 1
- Bathrooms Total Integer: 5
- Bathrooms Total Decimal: 4.5
- Heating & Cooling
- Has Cooling
- Cooling: Central Air
- Has Heating
- Heating: Natural Gas, Forced Air
- Interior Features
- Interior Features: Eat-in Kitchen, Back Stairs
- Has Fireplace(s)
- # of Fireplaces Total: 2
- Basement: Finished
Exterior
- Exterior Features
- Exterior Features: Putting Green
- Patio And Porch Features: Screened Porch, Terrace, Deck
- Property Information
- Property Sub-Type: Single Family Residence
- Year Built: 2007
- Roof: Shake
- Construction Materials: Shingle Siding
- Building Area Total: 4916.0
- Building Area Source: Taxcard
- Lot Information
- Lot Features: Fenced, Hilly
- On Waterfront
- Waterfront Features: Winter Waterviews
- Lot Size Area: 0.42
- Lot Size Units: Acres
- Lot Size Square Feet: 18295.2
- Lot Size Acres: 0.42
- Zoning: R-12
Financial
- Tax Information
- Tax Annual Amount: $18,107.75
- Tax Assessed Value: $1,727,180
Utilities
- Utilities Information
- Water Source: Well
Location
- School Information
- Elementary School: North Mianus
- Middle Or Junior School: Eastern
Public facts
- Beds: 4
- Baths: 5.0
- Sq. Ft.: 4,916
- Stories: 1.0
- Lot Size: 0.42 acres
- Style: Single Family Residential
- Year Built: 2007
- Year Renovated: —
- County: Fairfield County
- APN: 1851475
Other
- Information For Agents
- Special Listing Conditions: Standard
Around this home
Schools
Public K-5 • Assigned • 0.3mi
Public 6-8 • Assigned • 1.6mi
Public 9-12 • Assigned • 1.8mi
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 98° expected this year, 16 days in 30 years
67% chance of strong winds in next 30 years
5 unhealthy days expected this year, 7 days in 30 years
Sun exposure
Low sunlight
SunscoreThere appears to be significant shading by surrounding buildings, terrain, and vegetation.
Nearby similar homes
New listings for sale in 06807
Home values near 27 Cognewaugh Rd
| Address | Redfin Estimate |
|---|---|
6 Beds | 7.5 Baths | 4151 Sq. Ft. | $3,565,526 |
- Beds | - Baths | - Sq. Ft. | $1,139,588 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 4 Baths | 3443 Sq. Ft. | $3,384,772 |
4 Beds | 3 Baths | 1952 Sq. Ft. | $1,924,332 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 4 Baths | 5062 Sq. Ft. | — |
3 Beds | 2 Baths | 1680 Sq. Ft. | $1,251,833 |
More real estate resources
- Cities
- Minor Civil Divisions
- Neighborhoods
- Zip Codes
- Popular Searches
| Greenwich homes for sale | |||
| New York homes for sale | |||
| Stamford homes for sale |
| Wilton homes for sale | |||
| Weston homes for sale | |||
| Monroe homes for sale | |||
| Fairfield homes for sale | |||
| New Canaan homes for sale |
| Newfield-Westover-Turn of River homes for sale | |||
| Mid Country West homes for sale | |||
| Eastern Greenwich homes for sale | |||
| North Old Greenwhich homes for sale | |||
| North Riverside homes for sale |
| 06830 homes for sale | |||
| 06902 homes for sale | |||
| 06831 homes for sale | |||
| 06870 homes for sale | |||
| 06878 homes for sale |
Find us
Subsidiaries
Affiliated Business
Copyright: © 2026 Redfin. All rights reserved.
Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.
Do not sell or share my personal information.
REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.
California DRE #01521930
Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures
New Mexico Real Estate Licenses
TREC: Info About Brokerage Services, Consumer Protection Notice
All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.
Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.
If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.
REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.







































United States
Canada