4 Cos Cob Avenue
Greenwich, Connecticut 06807
Reduced from $1,650,000
- Beds
- 4
- Baths
- 3
- SqFt
- 2,720
- Acres
- 0.14
- Year Built
- 1951
- Neighborhood
- Cos Cob
- Property Type
- Single Family
Matt Caiola
Luxury Real Estate Advisor
Request a private showing and get Matt's read on price, condition, and next steps.
About This Home
Move right into this beautifully maintained 4-bedroom home in the heart of Cos Cob! The first floor offers a wonderful open-concept family room flowing seamlessly into the eat-in kitchen, creating the perfect space for everyday living and entertaining. A formal dining room, full bath, private office, and study complete the main level. Upstairs, you'll find four generously sized bedrooms and two full bathrooms, including access to a walk-up attic from one of the bedrooms, providing excellent storage or future expansion potential. Outside, enjoy a flat backyard and detached two-car garage. Ideally located just moments from parks, shops, restaurants, schools, and the train, this home offers the perfect combination of space, convenience, and lifestyle.
Key Facts
Market Snapshot
The Greenwich Market
Single Family · trailing 12 months
Active Listings
43
24 under contract
Median List Price
$3.50M
43 active listings
Median Closed Price
$2.40M
176 sales
Median Days on Market
41
43 active listings
Median $ / Sq Ft
$857
43 active listings
Sale-to-List Ratio
100.4%
176 sales
How this home compares
List Price
$1.58M
vs $3.50M median
54.9% below median
Price / Sq Ft
$581
vs $857 median
32.2% below median
Days on Market
47 days
vs 41 days median
6 days longer than median
Based on 43 active and 176 closed sales (trailing 12 mo) of single family in Greenwich. Source: SmartMLS · As of July 27, 2026.
Location
4 Cos Cob Avenue, Greenwich, Connecticut
Estimate Your Payment
Estimated Monthly Payment
Rates: Freddie Mac PMMS via FRED · Updated Jul 23, 2026per month
- Principal & Interest$8,051
- Property Taxes$616
- Insurance$526
- HOA$0
Estimates only. Actual rates, taxes, insurance, and HOA fees vary. Consult a lender for current rates.
Location
Residence
- Property Type
- Single Family
- Style
- Colonial
- Year Built
- 1951
- New Construction
- No/Resale
- Living Area
- 2,720 sq ft
Schools
- Elementary
- Cos Cob
- High
- Greenwich
Interior
- Heating
- Hot Air
- Heat Fuel
- Natural Gas
- Cooling
- Central Air
- Fireplaces
- 1
- Laundry Location
- Mudroom
- Appliances
- RefrigeratorWasherDryer
- Basement
- Crawl Space
Exterior & Lot
- Lot Size
- 0.14 acres
- Zoning
- R-6
- Garage / Parking
- 2 garage spacesDetached Garage
- Waterfront Details
- Not Applicable
- Water Source
- Public Water Connected
- Sewer
- Public Sewer Connected
- Construction
- Hardie Board
- Roof
- Asphalt Shingle
- Foundation
- Block
- Lot Description
- Fence - Partial
Listing & Financials
- Property Taxes
- $7,394 / Annually
- Days on Market
- 47
- MLS #
- 24182748
- MLS Status
- Under Contract
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This information is believed to be accurate, but without warranty.
The IDX display contains information sourced from SmartMLS, Inc. as of 7/27/2026. This information is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing or leasing. Data is deemed reliable but is not guaranteed accurate by the MLS, the listing broker, the listing agent, or Matt Caiola. Buyers and tenants should independently verify all information that matters to their decision.
Map locations may be approximate. Any offer of compensation, if applicable, is made only to participants of the MLS where the listing is filed. ©2026 Smart MLS, Inc. All rights reserved.
Data last updated on 7/27/2026 at 10:55 PM UTC.