Date
Details
Price
Change
Source
8/20/2026
Listed
$1,800,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/21
$1,800,000 Just Listed
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1/21
Property Description
Beautifully renovated and move-in ready. This turnkey 3-bedroom, 2.5-bath home is set in a desirable Cos Cob neighborhood and offers four finished levels of comfortable, flexible living space. Updates include an all-new kitchen, renovated bathrooms, new appliances, and new heating and cooling systems. The home also features a 1-car garage, fenced-in yard, patio, and additional outdoor space for relaxing and entertaining. Conveniently located close to Bible Street Park and Montgomery Pinetum Park, with Cos Cob Elementary School, Central Middle School, and downtown Cos Cob all within close distance. A thoughtfully updated home offering modern finishes, great outdoor space, and an excellent Cos Cob location.
Full Property Details
Full Property Details for 55 Cos Cob Ave
General
- Price: $1,800,000
- Taxes: $6,797
- Status: Active
- Type: Single Family
- Source: Greenwich
- MLS ID: 125702
- Updated: 8/21/2026
- Added to Site: 2 day(s) ago
Interior
- Interior Features: Eat-in Kitchen
- Number of Fireplaces: 1
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 2
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 3
Additional Information
- Shared Amenities: No Amenities
- Security/Safety: Security System, Smoke Detector(s)
Exterior
- Porch/Patio/Deck: Terrace
Location
- Area: 4 - Cos Cob
- County: Fairfield
School Information
- Elementary School: Cos Cob
- Middle School: Central
Community
- Association: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
- Heating Type: Natural Gas, Forced Air, Radiant
- Heating Fuel: Gas
- Water Heater: Gas
Utilities
- Gas: Public Utility
- Sewer: Town Sewer
- Water: Public
Structural Information
- Architectural Style: Split Level
- Construction: Brick, Vinyl Siding
- Basement Desc.: Walk-Out Access, Finished
- Roof: Asphalt
- Square Feet: 2,486
- Sq. Ft. Source: Taxcard
- Year Built: 1960
- Remodeled/Updated: 2026
Lot Features
- Lot Size (Acres): 0.12
- Lot Size (Sq. Ft.): 5,227.2
- Irrigation System: Sprinkler System
- Lot Features: Corner Lot, Level
- Zoning: R-6
- Lot Description: Level
Financial Considerations
- Price Per Sq. Ft.: $724.05
- Tax Amount: $6,797
Disclosures and Reports
- Exclusions: Call LB
- Inclusions: Washer/Dryer, Call LB, All Kitchen Applncs
- Property ID: 08-2139/S
Listed by Ceci Properties
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Listing agent
— 55 Cos Cob Ave —
Ceci Properties
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 55 Cos Cob Ave
School District:Greenwich School District
| Name | Grades | Distance |
|---|---|---|
Cos Cob School 300 East Putnam Ave., Greenwich, CT 06807 | K-5 | 0.4 mi |
Central Middle School 9 Indian Rock Lane, Greenwich, CT 06830 | 6-8 | 0.6 mi |
Greenwich High School 10 Hillside Road, Greenwich, CT 06830 | 9-12 | 1.1 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 55 Cos Cob Ave
Tax History
Tax History for 55 Cos Cob Ave
Year
Property Taxes
Change
Tax Assessment
Change
2025
$6,797
4%
$549,990
—
2023
$6,565
3%
$549,990
—
2023
$6,400
1%
$549,990
—
2022
$6,341
13%
$549,990
13%
2021
$5,591
-4%
$485,660
—
2020
$5,838
-1%
$485,660
—
2019
$5,896
2%
$485,660
—
2018
$5,765
-1%
$485,660
—
2017
$5,837
2%
$485,660
—
2016
$5,745
27%
$485,660
27%
2015
$4,535
2%
$382,270
—
2014
$4,444
3%
$382,270
—
2013
$4,323
—
$382,270
—
2011
$4,323
—
$382,270
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 55 Cos Cob Ave
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- Single Family
- Active
- Updated 14 hours ago
- 3Beds
- 3Total Baths
- 2,550Sq. Ft.
- Single Family
- Active
- Updated 12 days ago
- 4Beds
- 3Total Baths
- 1,832Sq. Ft.
- Single Family
- Active
- Updated 4 days ago
- 4Beds
- 3Total Baths
- 3,597Sq. Ft.
- Single Family
- Active
- Updated 6 days ago
- 4Beds
- 5Total Baths
- 3,164Sq. Ft.
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- Single Family
- Active
- Updated 2 days ago
- 3Beds
- 3Total Baths
- 1,830Sq. Ft.
Listed by Pat Blois (203) 667-1532
- Single Family
- Active
- Updated 1 day ago
- 5Beds
- 8Total Baths
- 9,760Sq. Ft.
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- Single Family
- Active
- Updated 2 days ago
- 3Beds
- 3Total Baths
- 1,830Sq. Ft.
Listed by Pat Blois (203) 667-1532
- Townhouse
- Active
- Updated 15 hours ago
- 2Beds
- 2Total Baths
- 1,260Sq. Ft.
Listed by Richard Wilson (203) 667-6969
- High Rise Apartment
- Active
- Updated 16 hours ago
- 2Beds
- 1Total Bath
- 875Sq. Ft.
Listed by Arlene Bubbico (203) 984-2327
- Single Family
- Active
- Updated 2 days ago
- 3Beds
- 3Total Baths
- 1,830Sq. Ft.
Listed by Pat Blois (203) 667-1532
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- Townhouse
- Closed
- 4Beds
- 4Total Baths
- 2,736Sq. Ft.
Listed by The Richard Breglia Team
Sold by The Riverside Realty Group
Sold by The Riverside Realty Group
- Single Family
- Closed
- Updated 2 days ago
- 4Beds
- 3Total Baths
- 2,720Sq. Ft.
- Single Family
- Closed
- 4Beds
- 3Total Baths
- 2,410Sq. Ft.
Listed by Sotheby's International Realty
Sold by BHHS New England Properties
Sold by BHHS New England Properties
55 Cos Cob Avenue, Greenwich, CT 06807 (MLS# 125702) is a Single Family property with 3 bedrooms, 2 full bathrooms and 1 partial bathroom. 55 Cos Cob Avenue is currently listed for $1,800,000 and was received on August 20, 2026. Want to learn more about 55 Cos Cob Avenue? Do you have questions about finding other Single Family real estate for sale in Cos Cob? You can browse all Cos Cob real estate or contact a Coldwell Banker agent to request more information.