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.
For sale
$1,800,000
55 Cos Cob Ave, Cos Cob, CT 06807
3beds
2,486sqft
Residential, Single Family Residence
Built in 1960
5,227 Square Feet Lot
$1,777,700 Zestimate®
$724/sqft
$-- HOA
What's special
Fenced-in yardGreat outdoor spaceRenovated bathroomsModern finishesAll-new kitchenNew appliances
- 47 days
- 1,372
- 34
Zillow last checked:
Listing updated:
Listed by:
Milo Ceci 203-921-5507,
Ceci Properties
Source: Greenwich MLS, Inc.,MLS#: 125702
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Heating
- Natural Gas, Forced Air, Radiant
Cooling
- Central Air
Features
- Eat-in Kitchen
- Basement: Finished
- Number of fireplaces: 1
Interior area
- Total structure area: 2,486
- Total interior livable area: 2,486 sqft
Property
Parking
- Parking features: Off Street, Garage Door Opener
Features
- Levels: Multi/Split
- Patio & porch: Terrace
Lot
- Size: 5,227 Square Feet
- Features: Level
Details
- Parcel number: 082139/S
- Zoning: R-6
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Split Level
- Property subtype: Residential, Single Family Residence
Materials
- Brick, Vinyl Siding
- Roof: Asphalt
Condition
- Year built: 1960
- Major remodel year: 2026
Utilities & green energy
- Water: Public
Community & HOA
Community
- Security: Security System, Smoke Detector(s)
HOA
- Amenities included: None
Location
- Region: Cos Cob
Financial & listing details
- Price per square foot: $724/sqft
- Tax assessed value: $2,025
- Annual tax amount: $6,797
- Date on market: 8/20/2026
- Inclusions: Washer/Dryer, Call LB, All Kitchen Applncs
Estimated market value
$1,777,700
$1.69M - $1.87M
$6,840/mo
Price history
| Date | Event | Price |
|---|---|---|
| 9/29/2026 | Price change | $6,000-7.7%$2/sqft |
Source: Zillow Rentals Report a problem | ||
| 8/21/2026 | Listed for rent | $6,500$3/sqft |
Source: Zillow Rentals Report a problem | ||
| 8/20/2026 | Listed for sale | $1,800,000+97.8%$724/sqft |
Source:  Greenwich MLS, Inc. #125702 Report a problem | ||
| 4/13/2026 | Sold | $910,000$366/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $6,797 +3.5% | $549,990 |
| 2024 | $6,565 +2.6% | $549,990 |
| 2023 | $6,400 +0.9% | $549,990 |
| 2022 | $6,341 +8.4% | $549,990 +13.2% |
| 2021 | $5,847 +0.2% | $485,660 |
| 2020 | $5,838 -1% | $485,660 |
| 2019 | $5,896 +2.3% | $485,660 |
| 2018 | $5,765 -1.2% | $485,660 |
| 2017 | $5,837 +1.6% | $485,660 |
| 2016 | $5,745 | $485,660 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: Cos Cob
Nearby schools
Schools provided by the listing agent
- Elementary: Cos Cob
- 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.
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