Charming colonial with a putting green, tennis court and detached 1-car garage with 1-bedroom apartment above. The main house has 3 bedrooms on the 2nd floor with potential for a 4th in the playroom above the garage. First floor with open kitchen/family room, sunroom, formal living and dining rooms, office, 3 wood-burning fireplaces and 2 powder rooms. Breakfast room overlooks the terrace, putting green and tennis court. A mudroom opens to the attached 3-car garage. Second floor has a primary suite, 1 en-suite bedroom and 1 bedroom with a hall bath. Finished lower level with a 2nd family room/game room. Detached garage apartment has kitchenette, full bath and loft. North Mianus school district. Close to train, village dining and shopping.
Sold for $3,061,250 on 03/21/25
$3,061,250
107 Cognewaugh Rd, Cos Cob, CT 06807
4beds
4,420sqft
Residential, Single Family Residence
Built in 1850
2 Acres Lot
$3,167,000 Zestimate®
$693/sqft
$17,501 Estimated rent
Home value
$3,167,000
$2.85M - $3.55M
$17,501/mo
Zestimate® history
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What's special
Zillow last checked: 8 hours ago
Listing updated: October 15, 2025 at 04:34pm
Listed by:
Joseph Barbieri 203-940-2025,
Sotheby's International Realty
Bought with:
Marli Meier, RES.0828798
Corcoran Centric Realty LLC
Source: Greenwich MLS, Inc.,MLS#: 121977
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 6
- Full bathrooms: 4
- 1/2 bathrooms: 2
Heating
- Natural Gas, Forced Air
Cooling
- Central Air
Features
- Built-in Features, Entrance Foyer
- Basement: Exterior Entry,Partially Finished
- Number of fireplaces: 3
Interior area
- Total structure area: 4,420
- Total interior livable area: 4,420 sqft
Property
Parking
- Total spaces: 4
- Parking features: Garage Door Opener
- Garage spaces: 4
Features
- Patio & porch: Terrace
- Exterior features: Putting Green
- Fencing: Invisible
Lot
- Size: 2 Acres
- Features: Level, Wooded
Details
- Additional structures: Garage Apartment
- Parcel number: 08A1099
- Zoning: RA-2
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- Wood Siding
- Roof: Shake
Condition
- Year built: 1850
- Major remodel year: 2012
Utilities & green energy
- Sewer: Septic Tank
- Water: Public
Community & neighborhood
Security
- Security features: Security System
Location
- Region: Cos Cob
Price history
| Date | Event | Price |
|---|---|---|
| 3/21/2025 | Sold | $3,061,250-1.3%$693/sqft |
Source:  Greenwich MLS, Inc. #121977 | ||
| 2/13/2025 | Pending sale | $3,100,000$701/sqft |
Source: Greenwich MLS, Inc. #121977 | ||
| 1/29/2025 | Listed for sale | $3,100,000+32.2%$701/sqft |
Source: Greenwich MLS, Inc. #121977 | ||
| 11/2/2007 | Sold | $2,345,000+121.2%$531/sqft |
Source: Public Record | ||
| 10/24/2001 | Sold | $1,060,000+19.8%$240/sqft |
Source: Public Record | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $17,547 +2.8% | $1,457,400 |
| 2024 | $17,066 +2.8% | $1,457,400 |
| 2023 | $16,600 +1% | $1,457,400 |
Find assessor info on the county website
Neighborhood: Cos Cob
Nearby schools
GreatSchools rating
- 9/10North Mianus SchoolGrades: K-5Distance: 0.5 mi
- 9/10Eastern Middle SchoolGrades: 6-8Distance: 1.9 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 2.2 mi
Schools provided by the listing agent
- Elementary: North Mianus
- Middle: Eastern
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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$3,167,000
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$3,230,340