For salePrice cut: $71K (6/20)
$1,579,000
4beds
2,720sqft
4 Cos Cob Ave, Cos Cob, CT 06807
4beds
2,720sqft
Residential, single family residence
Built in 1951
6,098 sqft
2 Garage spaces
$581 price/sqft
What's special
Flat backyardPrivate officeDetached two-car garageFormal dining roomFour generously sized bedroomsEat-in kitchenOpen-concept family room
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 ...
- 19 days |
- 2,592 |
- 61 |
Source: Greenwich MLS, Inc.,MLS#: 125238
Travel times
Living Room
Kitchen
Primary Bedroom
Zillow last checked:
Listing updated:
Listed by:
Katie Benson 917-270-3371,
Houlihan Lawrence
Source: Greenwich MLS, Inc.,MLS#: 125238
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 3
Heating
- Natural Gas, Forced Air
Cooling
- Central Air
Features
- Eat-in Kitchen
- Basement: Exterior Entry
- Number of fireplaces: 1
Interior area
- Total structure area: 2,720
- Total interior livable area: 2,720 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage Door Opener
- Garage spaces: 2
Features
- Fencing: Fenced
Lot
- Size: 6,098.4 Square Feet
Details
- Parcel number: 082654/S
- Zoning: R-6
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- See Remarks
- Roof: Asphalt
Condition
- Year built: 1951
- Major remodel year: 2013
Utilities & green energy
- Water: Public
Community & HOA
Location
- Region: Cos Cob
Financial & listing details
- Price per square foot: $581/sqft
- Tax assessed value: $598,290
- Annual tax amount: $7,394
- Date on market: 6/10/2026
- Inclusions: Washer/Dryer, All Kitchen Applncs
Price history
| Date | Event | Price |
|---|---|---|
| 6/20/2026 | Price change | $1,579,000-4.3%$581/sqft |
Source:  Smart MLS #24182748 Report a problem | ||
| 6/10/2026 | Listed for sale | $1,650,000+205.6%$607/sqft |
Source: Smart MLS #24182748 Report a problem | ||
| 8/17/2012 | Sold | $540,000$199/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $7,394 +3.5% | $598,290 |
| 2024 | $7,141 +2.6% | $598,290 |
| 2023 | $6,962 +0.9% | $598,290 |
| 2022 | $6,898 +3.9% | $598,290 +8.5% |
| 2021 | $6,637 +0.2% | $551,250 |
| 2020 | $6,626 -1% | $551,250 |
| 2019 | $6,692 +2.3% | $551,250 |
| 2018 | $6,543 -1.2% | $551,250 |
| 2017 | $6,625 -8.8% | $551,250 -9.5% |
| 2015 | $7,266 +3.1% | $609,280 +0.5% |
| 2014 | $7,045 +55.3% | $606,060 +51.2% |
| 2013 | $4,535 +2.8% | $400,960 |
| 2012 | $4,411 +3.4% | $400,960 |
| 2011 | $4,266 +6.9% | $400,960 -9.2% |
| 2010 | $3,992 +3.4% | $441,630 |
| 2009 | $3,860 +3.6% | $441,630 |
| 2008 | $3,727 +3.6% | $441,630 |
| 2007 | $3,599 +3.8% | $441,630 |
| 2006 | $3,467 +17.8% | $441,630 +81.4% |
| 2005 | $2,943 +3.6% | $243,390 |
| 2004 | $2,840 +3.3% | $243,390 |
| 2003 | $2,748 -13.4% | $243,390 +43.4% |
| 2001 | $3,173 +5.6% | $169,690 |
| 2000 | $3,004 -4.6% | $169,690 |
| 1999 | $3,148 | $169,690 |
Find assessor info on the county website
Monthly payment
Est. payment
$10,367/mo
Principal & interest
$8143
Property taxes
$2224
Estimated market value
Not available
Estimated sales range
Not available
$6,795/mo
Climate risks
Explore flood, wildfire, and other predictive climate risk information for this property on First Street®️.
Neighborhood: Cos Cob
Nearby schools
Cos Cob School
Grades PK-5 • 0.2 miles6/10
GreatSchools® Rating
Test Score Rating
7/10Student Progress Rating
5/10Central Middle School
Grades 6-8 • 0.7 miles8/10
GreatSchools® Rating
Test Score Rating
9/10Student Progress Rating
7/10Greenwich High School
Grades 9-12 • 0.9 miles10/10
GreatSchools® Rating
College Readiness Rating
10/10- Connecticut
- Fairfield County
- Greenwich
- 06807
- Cos Cob
- 4 Cos Cob Ave