Nestled in one of Greenwich's most coveted neighborhoods, this private 4800+ sq ft, 5-bed, 5.1-bath home combines luxury and comfort. Set on a beautifully landscaped flat 1 acre , the residence features expansive living spaces and abundant natural light. The first floor offers an oversized living room with a wood-burning fireplace, a chef's kitchen with wet bar, and a soaring-ceiling family room, perfect for both daily living and entertaining. Second floor primary suite boasts two walk-in closets, plus four additional bedrooms. Outside, a sparkling gunite pool, gazebo, and fully fenced yard create a serene oasis. Located on a quiet cul-de-sac, this is a rare opportunity to own a truly stunning home just minutes from downtown Greenwich,
Sold for $3,760,000
$3,760,000
9 Serenity Ln, Cos Cob, CT 06807
5beds
4,862sqft
Residential, Single Family Residence
Built in 1967
1 Acres Lot
$4,228,400 Zestimate®
$773/sqft
$7,376 Estimated rent
Home value
$4,228,400
$3.64M - $4.99M
$7,376/mo
Zestimate® history
Owner options
List your home for rent
$7,376/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$7,376/mo
Rent Zestimate®
Refinance and save
$21,191/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$21,191/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
Wood-burning fireplaceAbundant natural lightSparkling gunite poolSoaring-ceiling family roomFully fenced yardExpansive living spaces
Zillow last checked:
Listing updated:
Listed by:
Susan Fleisher 203-461-0447,
Coldwell Banker Realty
Bought with:
Ann Simpson, RES.0752011
BHHS New England Properties
Source: Greenwich MLS, Inc.,MLS#: 122463
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Heating
- Natural Gas, Forced Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Back Stairs
- Basement: Full,Unfinished
- Number of fireplaces: 2
Interior area
- Total structure area: 4,862
- Total interior livable area: 4,862 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage Door Opener
- Garage spaces: 2
Features
- Patio & porch: Terrace
- Exterior features: Gas Grill
- Has private pool: Yes
- Has spa: Yes
- Spa features: Bath
- Fencing: Fenced
Lot
- Size: 1 Acres
- Features: Parklike
Details
- Additional structures: Gazebo
- Parcel number: 08A 1218/S
- Zoning: RA-1
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- Shingle Siding
- Roof: Asphalt
Condition
- Year built: 1967
- Major remodel year: 2019
Utilities & green energy
- Water: Public
- Utilities for property: Cable Connected
Community & HOA
Community
- Security: Security System
Location
- Region: Cos Cob
Financial & listing details
- Price per square foot: $773/sqft
- Tax assessed value: $1,363,040
- Annual tax amount: $16,269
- Date on market: 4/10/2025
- Inclusions: Washer/Dryer, Call LB, All Kitchen Applncs
Price history
| Date | Event | Price |
|---|---|---|
| 5/12/2025 | Sold | $3,760,000+19.4%$773/sqft |
Source:  Greenwich MLS, Inc. #122463 Report a problem | ||
| 4/15/2025 | Pending sale | $3,150,000$648/sqft |
Source: Greenwich MLS, Inc. #122463 Report a problem | ||
| 4/10/2025 | Listed for sale | $3,150,000+277.2%$648/sqft |
Source: Greenwich MLS, Inc. #122463 Report a problem | ||
| 7/6/1999 | Sold | $835,000$172/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $16,846 +3.5% | $1,363,040 |
| 2024 | $16,269 +2.6% | $1,363,040 |
| 2023 | $15,860 +0.9% | $1,363,040 |
| 2022 | $15,716 -8.3% | $1,363,040 -4.3% |
| 2021 | $17,145 +0.2% | $1,424,010 |
| 2020 | $17,117 -1% | $1,424,010 |
| 2019 | $17,287 +6.7% | $1,424,010 +4.3% |
| 2018 | $16,208 -1.2% | $1,365,490 |
| 2017 | $16,412 +1.6% | $1,365,490 |
| 2016 | $16,152 | $1,365,490 |
Find assessor info on the county website
Neighborhood: 06807
Nearby homes
- $3,306,5005 bd3 ba3.2k sqft11 Serenity Ln, Cos Cob, CT 06807Off Market
- $2,998,5004 bd3 ba3.2k sqft7 Serenity Ln, Cos Cob, CT 06807Off Market
- $2,899,3005 bd3 ba3.7k sqft8 Shelter Dr, Cos Cob, CT 06807Off Market
- $3,120,2004 bd4 ba3.2k sqft15 Serenity Ln, Cos Cob, CT 06807Off Market
- $3,228,5005 bd4 ba4.5k sqft16 Azalea Ter, Cos Cob, CT 06807Off Market
- $2,398,7004 bd2 ba2.7k sqft14 Serenity Ln, Cos Cob, CT 06807Off Market
- $2,024,6005 bd2 ba3.1k sqft1 Serenity Ln, Cos Cob, CT 06807Off Market
- $4,003,2005 bd6 ba5.8k sqft10 Serenity Ln, Cos Cob, CT 06807Off Market
Nearby schools
GreatSchools rating
- 9/10North Mianus SchoolGrades: K-5Distance: 1 mi
- 10/10Eastern Middle SchoolGrades: 6-8Distance: 2.6 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 2.7 mi
Schools provided by the listing agent
- Elementary: North Mianus
- Middle: Eastern
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Sell for more on Zillow
Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
$4,228,400
2% more
+$84,568
With Zillow Showcase(estimated)
$4,312,968
- Connecticut
- Fairfield County
- Greenwich
- 06807
- 9 Serenity Ln
Nearby cities
Nearby neighborhoods
Nearby zip codes
Other Greenwich Topics
