9 Serenity Ln Cos Cob, CT 06807
Cos Cob Neighborhood
5
Beds
5.5
Baths
4,862
Sq Ft
1
Acres
Highlights
- Private Pool
- Gourmet Kitchen
- Colonial Architecture
- North Mianus School Rated A+
- 1 Acre Lot
- Vaulted Ceiling
About This Home
As of May 2025Nestled 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,
Last Agent to Sell the Property
Coldwell Banker Realty License #RES.0761625 Listed on: 04/10/2025
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $16,269
Year Built
- Built in 1967 | Remodeled in 2019
Lot Details
- 1 Acre Lot
- Fenced
- Sprinkler System
- Property is zoned RA-1
Parking
- 2 Car Attached Garage
- Automatic Garage Door Opener
- Garage Door Opener
Home Design
- Colonial Architecture
- Asphalt Roof
- Shingle Siding
Interior Spaces
- 4,862 Sq Ft Home
- Rear Stairs
- Beamed Ceilings
- Coffered Ceiling
- Vaulted Ceiling
- 2 Fireplaces
- French Doors
- Mud Room
- Formal Dining Room
- Unfinished Basement
- Basement Fills Entire Space Under The House
- Finished Attic
- Home Security System
- Gourmet Kitchen
Bedrooms and Bathrooms
- 5 Bedrooms
- Walk-In Closet
- Whirlpool Bathtub
Laundry
- Laundry Room
- Washer and Dryer
Outdoor Features
- Private Pool
- Terrace
- Gazebo
- Outdoor Gas Grill
Utilities
- Forced Air Heating and Cooling System
- Heating System Uses Gas
- Heating System Uses Natural Gas
- Power Generator
- Gas Available
- Gas Water Heater
- Water Softener
- Cable TV Available
Listing and Financial Details
- Property held in a trust
- Assessor Parcel Number 08A -1218/S
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Apr 10, 2025
Closed on
May 12, 2025
Sold by
Tara L Naranjo Ret and Naranjo
Bought by
Beall Christopher and Beall Andrea
Seller's Agent
Susan Fleisher
Coldwell Banker Realty
Buyer's Agent
Ann Simpson
BHHS New England Properties
List Price
$3,150,000
Sold Price
$3,760,000
Premium/Discount to List
$610,000
19.37%
Views
38
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$116,753
Avg. Annual Appreciation
-9.98%
Original Mortgage
$2,632,000
Outstanding Balance
$2,626,625
Interest Rate
5.88%
Mortgage Type
Purchase Money Mortgage
Estimated Equity
$1,016,622
Purchase Details
Closed on
Aug 7, 2009
Sold by
Mitchell Scott H
Bought by
Naranjo Tara L
Purchase Details
Closed on
Jul 6, 1999
Sold by
Carlson Arden C
Bought by
Mitchell Scott
Similar Home in Cos Cob, CT
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area
Home Values in the Area
Average Home Value in this Area
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Deed | $3,760,000 | None Available | |
| Deed | $3,760,000 | None Available | |
| Warranty Deed | -- | -- | |
| Warranty Deed | -- | -- | |
| Warranty Deed | $835,000 | -- | |
| Warranty Deed | $835,000 | -- |
Source: Public Records
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $2,632,000 | Purchase Money Mortgage | |
| Closed | $2,632,000 | Purchase Money Mortgage | |
| Previous Owner | $520,000 | Stand Alone Refi Refinance Of Original Loan | |
| Previous Owner | $430,000 | Unknown | |
| Previous Owner | $564,000 | No Value Available |
Source: Public Records
Property History
| Date | Event | Price | Change | Sq Ft Price |
|---|---|---|---|---|
| 05/12/2025 05/12/25 | Sold | $3,760,000 | +19.4% | $773 / Sq Ft |
| 04/15/2025 04/15/25 | Pending | -- | -- | -- |
| 04/10/2025 04/10/25 | For Sale | $3,150,000 | -- | $648 / Sq Ft |
Source: Greenwich Association of REALTORS®
Tax History Compared to Growth
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $16,846 | $1,363,040 | $654,500 | $708,540 |
| 2024 | $16,269 | $1,363,040 | $654,500 | $708,540 |
| 2023 | $15,860 | $1,363,040 | $654,500 | $708,540 |
| 2022 | $15,716 | $1,363,040 | $654,500 | $708,540 |
| 2021 | $17,145 | $1,424,010 | $535,500 | $888,510 |
| 2020 | $17,117 | $1,424,010 | $535,500 | $888,510 |
| 2019 | $17,287 | $1,424,010 | $535,500 | $888,510 |
| 2018 | $16,208 | $1,365,490 | $535,500 | $829,990 |
| 2017 | $16,412 | $1,365,490 | $535,500 | $829,990 |
| 2016 | $16,152 | $1,365,490 | $535,500 | $829,990 |
| 2015 | $14,909 | $1,250,270 | $581,210 | $669,060 |
| 2014 | $11,269 | $969,360 | $581,210 | $388,150 |
Source: Public Records
Agents Affiliated with this Home
-
Susan Fleisher
Seller's Agent in 2025
Susan Fleisher
Coldwell Banker Realty
(203) 461-0447
1 in this area
8 Total Sales
-
Grant & Claudia Hirsch
G
Seller Co-Listing Agent in 2025
Grant & Claudia Hirsch
Coldwell Banker Realty
(203) 536-2197
2 in this area
5 Total Sales
-
Ann Simpson
Buyer's Agent in 2025
Ann Simpson
BHHS New England Properties
(203) 940-0779
7 in this area
69 Total Sales
Map
Source: Greenwich Association of REALTORS®
MLS Number: 122463
APN: GREE-000008A-000000-001218-S000000
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to
identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.
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