331 Valley Rd
Cos Cob, CT 06807
Cos Cob- 3 Beds
- 2 Baths
- 1,809 sqft (on 0.64 acres)
3 Beds
2 Baths
1,809 sqft
(on 0.64 acres)
Local Information
-- mins to
Description
Rare opportunity to live tucked away peacefully from the road, with direct access to the Mianus River! Enjoy canoeing, kayaking, fishing and bird watching from your own park like oasis on an oversized lot of .64-acre. Close to both the North Mianus School and Bridges Early Childhood School. A short distance to Todd's Point Beach, train stations, villages and libraries. This mid-century modern home has a casual open floor plan, all glass wall, beautiful hardwood floors. There's a large second floor bonus room, overlooking the river. The fenced side yard, with several raised beds, is a gardener's dream, while the studio room off the garage makes for a great workspace.There is FAR available. A wonderful private retreat to enjoy nature, entertain and be close to town.
331 Valley Rd, Cos Cob, CT 06807 is a 3 bedroom, 2 bathroom, 1,809 sqft single-family home in Cos Cob, built in 1967. It last sold for $1,375,000 on Aug 3, 2023 (2% above the $1,350,000 asking price). More recently, it was listed as a rental in July 2021 with an asking price of $5,500 per month. That rental listing was removed on August 14, 2021. It is currently off market. The Trulia Estimate is $1,914,400, with a rent estimate of $5,975/month.
Home Highlights
Parking
Garage
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
180+ days ago
Home Details for 331 Valley Rd
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Interior Details Basement: None |
Beds & Baths Number of Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 2 |
Dimensions and Layout Living Area: 1809 Square Feet |
Appliances & Utilities Laundry: Laundry Room |
Heating & Cooling Heating: Natural Gas,Forced AirHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Natural Gas |
Fireplace & Spa Number of Fireplaces: 1Has a Fireplace |
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Exterior Home Features Roof: AsphaltExterior: BalconyNo Private Pool |
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageParking Spaces: 2Parking: Garage Door Opener |
Frontage WaterfrontWaterfront: WaterfrontOn Waterfront |
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Year Built Year Built: 1967Year Renovated: 2011 |
Property Type / Style Property Type: ResidentialProperty Subtype: Residential, Single Family Residence |
Building Construction Materials: Clapboard |
Property Information Included in Sale: Washer/Dryer, All Kitchen ApplncsParcel Number: 08A1260/S |
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Price List Price: $1,350,000 |
Status Change & Dates Off Market Date: Fri Jul 07 2023 |
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MLS Status: Closed |
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Direction & Address City: Cos Cob |
School Information Elementary School: North MianusJr High / Middle School: Eastern |
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Building Area Building Area: 1809 Square Feet |
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Lot Area: 0.64 acres |
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Mobile Home Park Mobile Home Units: Feet |
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Mls Number: 118362 |
Last check for updates: about 9 hours ago
Listed by Geraldine Smeriglio, (203) 667-0782
Sotheby's International Realty
Bought with: Bryan Tunney, (203) 570-6577, Brown Harris Stevens CT, LLC
Source: Greenwich MLS, Inc., MLS#118362

Price History for 331 Valley Rd
| Date | Price | Event | Source |
|---|---|---|---|
| 08/03/2023 | $1,375,000 | Sold | Greenwich MLS, Inc. #118362 |
| 06/13/2023 | $1,350,000 | Contingent | Greenwich MLS, Inc. #118362 |
| 05/25/2023 | $1,350,000 | Listed For Sale | Greenwich MLS, Inc. #118362 |
| 08/14/2021 | ListingRemoved | Greenwich MLS, Inc. | |
| 07/01/2021 | $5,500 | Listed For Rent | Greenwich MLS, Inc. #113764 |
| 09/29/1992 | $326,250 | Sold | N/A |
Market trends in Greenwich
Last updated May 2026
Avg. sale price
$1.76M
$257KMoM
Sale-to-List Price
101.2%
1.0%MoM
Price per sq ft
$779
$4MoM
Available listings
183
8MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $8,556 |
| Assessment | $692,300 |
Home facts updated by county records
Comparable Sales for 331 Valley Rd
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.13 | Single-Family Home | $1,530,000 | 11/21/25 | 4 | 3 | 1,982 | |
0.22 | Single-Family Home | $1,100,000 | 11/24/25 | 4 | 2 | 1,276 | |
0.30 | Single-Family Home | $1,359,000 | 08/06/25 | 3 | 3 | 2,332 | |
0.19 | Single-Family Home | $1,900,000 | 02/06/26 | 4 | 3 | 2,480 | |
0.34 | Single-Family Home | $1,500,000 | 10/02/25 | 2 | 2.5 | 2,044 | |
0.44 | Single-Family Home | $1,300,000 | 04/14/26 | 4 | 2.5 | 1,601 | |
0.45 | Single-Family Home | $1,280,000 | 06/01/26 | 4 | 3 | 2,068 | |
0.23 | Single-Family Home | $2,610,000 | 05/29/26 | 4 | 3.5 | 3,298 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 331 Valley Rd.
What Locals Say about Cos Cob
At least 1 Trulia users voted on each feature.
100 % Say neighbors are friendly
100 % Say there are community events
100 % Say there's holiday spirit
100 % Say it's walkable to grocery stores
100 % Say it's walkable to restaurants
100 % Say parking is easy
100 % Say car is needed
100 % Say streets are well-lit
100 % Say it's dog friendly
Sourced by Trulia users. Learn more about our methodology.
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Apartments for Rent
Homes for sale near 331 Valley Rd
Off Market Homes Near 331 Valley Rd

Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to
identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.