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
$4,373,200 Zestimate®
$773/sqft
$7,376 Estimated rent
Home value
$4,373,200
$3.76M - $5.16M
$7,376/mo
Zestimate® history
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$21,191/mo
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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 & neighborhood
Security
- Security features: Security System
Location
- Region: Cos Cob
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 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.
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$4,373,200
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$4,460,664
- Connecticut
- Fairfield County
- Greenwich
- 06807
- 9 Serenity Ln
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