4 Cos Cob Ave, Cos Cob, CT 06807
Home value
$1,530,400
$1.39M - $1.68M
$7,015/mo
Owner options
$7,015/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$7,015/mo
Rent Zestimate®
$8,623/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$8,623/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Zillow last checked:
Listing updated:
Katie Benson 917-270-3371,
Houlihan Lawrence
OUT-OF-TOWN BROKER
FOREIGN LISTING
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 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: $563/sqft
- Tax assessed value: $598,290
- Annual tax amount: $6,272
- Date on market: 6/10/2026
- Inclusions: Washer/Dryer, All Kitchen Applncs
Price history
| Date | Event | Price |
|---|---|---|
| 8/17/2026 | Sold | $1,530,000-3.1%$563/sqft |
Source: | ||
| 7/5/2026 | Pending sale | $1,579,000$581/sqft |
Source: | ||
| 6/20/2026 | Price change | $1,579,000-4.3%$581/sqft |
Source: | ||
| 6/10/2026 | Listed for sale | $1,650,000+205.6%$607/sqft |
Source: | ||
| 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 |
Neighborhood: Cos Cob
Nearby homes
- $1,219,6003 bd3 ba1.5k sqft2 Cos Cob Ave #R, Cos Cob, CT 06807Off Market

- $1,459,0003 bd4 ba2.6k sqft6 Cos Cob Ave, Cos Cob, CT 06807Sold

- $1,005,4002 bd2 ba1.4k sqft2 Cos Cob Ave #F, Cos Cob, CT 06807Off Market

- $1,723,7005 bd3 ba2.6k sqft4 Sayles St, Cos Cob, CT 06807Off Market
- $--1 bd1 ba800 sqft4 Sayles St #2, Cos Cob, CT 06807Off Market
- $2,170,1003 bd2 ba1.6k sqft14 Cos Cob Ave, Cos Cob, CT 06807Off Market
- $--3 bd2 ba1.8k sqft14 Cos Cob Ave APT 1, Cos Cob, CT 06807Off Market
- $--3 bd3 ba1.9k sqft14 Cos Cob Ave #3, Cos Cob, CT 06807Off Market
Nearby schools
GreatSchools rating
- 6/10Cos Cob SchoolGrades: PK-5Distance: 0.2 mi
- 8/10Central Middle SchoolGrades: 6-8Distance: 0.7 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 0.9 mi
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.
Get pre-qualified for a loan
At Zillow Home Loans, we can pre-qualify you in as little as 5 minutes with no impact to your credit score.An equal housing lender. NMLS #10287.
Sell for more on Zillow
- Connecticut
- Fairfield County
- Greenwich
- 06807
- Cos Cob
- 4 Cos Cob Ave