Private, 3,787 sf home on 2 acres in north Cos Cob with two flat lawn areas bordered by historic stone walls. The hardwood floor LR has a fireplace and natural light from the adjacent Mexican tiled sunroom. The house offers one-floor living with 3/4 bedrooms and 4 full baths on the first floor. The primary bedroom has a new Anderson slider that opens to a balcony overlooking the back patio, lawns and woods. On the lower level you will find an open layout family room with new Anderson slider, office and adjacent supply room. The house comes with a two car garage and a 20Kw auto on generator as well as a slate roof. There is plenty of FAR for further expansion and a walk up attic that could be expanded.
Sold for $1,612,500 on 11/16/23
$1,612,500
320 Cognewaugh Rd, Cos Cob, CT 06807
4beds
3,787sqft
Residential, Single Family Residence
Built in 1947
2 Acres Lot
$2,366,100 Zestimate®
$426/sqft
$6,712 Estimated rent
Home value
$2,366,100
$2.01M - $2.82M
$6,712/mo
Zestimate® history
Loading...
Owner options
Explore your selling options
What's special
Zillow last checked: 8 hours ago
Listing updated: October 15, 2025 at 04:35pm
Listed by:
Mark Pruner 203-817-2871,
Compass Connecticut, LLC
Bought with:
Gideon Fountain, RES.0234614
Houlihan Lawrence
Source: Greenwich MLS, Inc.,MLS#: 117488
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
Heating
- Natural Gas, Hot Water
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Basement: Partially Finished
- Number of fireplaces: 1
Interior area
- Total structure area: 3,787
- Total interior livable area: 3,787 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage Door Opener
- Garage spaces: 2
Lot
- Size: 2 Acres
Details
- Parcel number: 083206
- Zoning: RA-2
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- Shingle Siding
- Roof: Slate
Condition
- Year built: 1947
Utilities & green energy
- Sewer: Septic Tank
- Water: Well
Community & neighborhood
Security
- Security features: Security System
Location
- Region: Cos Cob
Price history
| Date | Event | Price |
|---|---|---|
| 12/1/2025 | Listing removed | $9,500$3/sqft |
Source: Zillow Rentals | ||
| 10/23/2025 | Price change | $9,500-9.5%$3/sqft |
Source: Zillow Rentals | ||
| 8/17/2025 | Listed for rent | $10,500+18%$3/sqft |
Source: Zillow Rentals | ||
| 3/5/2024 | Listing removed | -- |
Source: Zillow Rentals | ||
| 2/9/2024 | Listed for rent | $8,900$2/sqft |
Source: Zillow Rentals | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $11,529 +2.8% | $957,530 |
| 2024 | $11,213 +2.8% | $957,530 |
| 2023 | $10,906 +1% | $957,530 |
Find assessor info on the county website
Neighborhood: Cos Cob
Nearby schools
GreatSchools rating
- 9/10North Street SchoolGrades: PK-5Distance: 1.8 mi
- 8/10Central Middle SchoolGrades: 6-8Distance: 1.9 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 2.7 mi
Schools provided by the listing agent
- Elementary: North Street
- Middle: Central
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Get pre-qualified for a loan
At Zillow Home Loans, we can pre-qualify you in as little as 5 minutes with no impact to your credit score.An equal housing lender. NMLS #10287.
Sell for more on Zillow
Get a free Zillow Showcase℠ listing and you could sell for .
$2,366,100
2% more+ $47,322
With Zillow Showcase(estimated)
$2,413,422