Seller's Agent in 2026
Lucy Magnus
Brown Harris Stevens
(860) 463-7449
52 Total Sales
453 E Putnam Ave Unit 4B Cos Cob, CT 06807
Cos Cob Area
2
Beds
2.5
Baths
1,464
Sq Ft
1991
Built
Highlights
- Property is near public transit and shops
- Partially Wooded Lot
- End Unit
- Cos Cob School Rated A
- 1 Fireplace
- Balcony
About This Home
As of May 2026Rarely available end-unit townhome at Greenwich Court featuring a light-filled, spacious, and functional floor plan. This well-maintained townhome is located in a pet-friendly complex and offers a generous living and dining area with a wood-burning fireplace, hardwood floors, and access to a private balcony. The main level also includes an updated kitchen with pantry, Viking stove, and newer (2023) dishwasher, along with a versatile breakfast nook with high ceilings that functions well as a home office/playroom/library. A half-bath completes the main level. Upstairs, two en-suite bedrooms feature vaulted ceilings, including a primary suite with its own private balcony, walk-in closet, and a spiral staircase leading to a spacious loft-ideal for a secondary workspace or quiet retreat. The secondary bedroom features a recently updated bathroom and ample closet space. Significant recent updates include a newer furnace, HVAC, and hot water heater (all 2023). Additional highlights include second-floor laundry with newer (2023) washer/dryer, two reserved underground garage spaces with elevator access, and a storage room. Situated in the heart of Cos Cob, convenient to the Metro-North station and close to parks, schools, restaurants, and all that Greenwich has to offer. A move-in ready opportunity offering space, privacy, and convenience.
Last Agent to Sell the Property
Brown Harris Stevens Brokerage Phone: (860) 463-7449 License #RES.0817747 Listed on: 03/25/2026
Townhouse Details
Home Type
- Townhome
Est. Annual Taxes
- $5,830
Year Built
- Built in 1991
Lot Details
- End Unit
- Partially Wooded Lot
HOA Fees
- $579 Monthly HOA Fees
Parking
- 2 Car Garage
Home Design
- Frame Construction
- Wood Siding
- Shingle Siding
Interior Spaces
- 1,464 Sq Ft Home
- 1 Fireplace
Kitchen
- Oven or Range
- Gas Range
- Range Hood
- Microwave
- Dishwasher
Bedrooms and Bathrooms
- 2 Bedrooms
Laundry
- Laundry on upper level
- Dryer
- Washer
Schools
- Cos Cob Elementary School
- Central Middle School
- Greenwich High School
Utilities
- Central Air
- Heating System Uses Natural Gas
Additional Features
- Balcony
- Property is near public transit and shops
Listing and Financial Details
- Assessor Parcel Number 1852747
Community Details
Overview
- Association fees include grounds maintenance, trash pickup, snow removal, property management, insurance
- 39 Units
- Property managed by Westford Real Estate Mana
Amenities
- Public Transportation
Pet Policy
- Pets Allowed
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Apr 14, 2023
Closed on
Jun 26, 2023
Sold by
Bought by
Seller's Agent
Meredith Cohen
Serhant Connecticut, LLC
List Price
$750,000
Sold Price
$720,000
Premium/Discount to List
-$30,000
-4%
Views
224
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$612,000
Interest Rate
0.0639%
Mortgage Type
Purchase Money Mortgage
Purchase Details
Listed on
Apr 12, 2017
Closed on
Jul 5, 2017
Sold by
Bought by
Seller's Agent
Beba Errichetti
Coldwell Banker Realty
Buyer's Agent
Mary Ann Grabel
Douglas Elliman of Connecticut
List Price
$649,000
Sold Price
$649,000
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
1.75%
Original Mortgage
$449,000
Interest Rate
0.0395%
Mortgage Type
New Conventional
Purchase Details
Listed on
Jul 31, 2013
Closed on
Oct 30, 2013
Sold by
Bought by
Seller's Agent
Carolyn Sarsen
David Ogilvy and Associates
Buyer's Agent
Deborah Prouty
BHHS New England Properties
List Price
$625,000
Sold Price
$597,500
Premium/Discount to List
-$27,500
-4.4%
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
2.27%
Original Mortgage
$125,000
Interest Rate
0.0452%
Mortgage Type
New Conventional
Purchase Details
Closed on
Jan 31, 2008
Sold by
Bought by
Purchase Details
Closed on
Nov 29, 2004
Sold by
Bought by
Purchase Details
Closed on
Sep 27, 2002
Sold by
Bought by
Purchase Details
Closed on
Nov 24, 1999
Sold by
Bought by
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Home Values in the Area
Average Home Value in this Area
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Warranty Deed | $720,000 | None Available | |
| Warranty Deed | $649,000 | -- | |
| Warranty Deed | -- | -- | |
| Warranty Deed | $540,000 | -- | |
| Warranty Deed | $600,000 | -- | |
| Warranty Deed | $467,500 | -- | |
| Warranty Deed | $365,000 | -- |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Open | $552,500 | New Conventional | |
| Closed | $612,000 | Purchase Money Mortgage | |
| Previous Owner | $390,000 | Stand Alone Refi Refinance Of Original Loan | |
| Previous Owner | $449,000 | New Conventional | |
| Previous Owner | $60,000 | No Value Available | |
| Previous Owner | $125,000 | New Conventional |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 05/20/2026 05/20/26 | Sold | $850,000 | +0.6% | $581 / Sq Ft | |
| 04/21/2026 04/21/26 | Pending | -- | -- | -- | |
| 03/25/2026 03/25/26 | For Sale | $844,900 | +17.3% | $577 / Sq Ft | |
| 06/27/2023 06/27/23 | Sold | $720,000 | -4.0% | $492 / Sq Ft | View Prior Sale |
| 06/16/2023 06/16/23 | Pending | -- | -- | -- | |
| 04/14/2023 04/14/23 | For Sale | $750,000 | +15.6% | $512 / Sq Ft | |
| 07/05/2017 07/05/17 | Sold | $649,000 | 0.0% | $443 / Sq Ft | View Prior Sale |
| 06/02/2017 06/02/17 | Pending | -- | -- | -- | |
| 04/12/2017 04/12/17 | For Sale | $649,000 | +8.6% | $443 / Sq Ft | |
| 10/30/2013 10/30/13 | Sold | $597,500 | -4.4% | $408 / Sq Ft | View Prior Sale |
| 10/11/2013 10/11/13 | Pending | -- | -- | -- | |
| 07/31/2013 07/31/13 | For Sale | $625,000 | -- | $427 / Sq Ft |
Source: SmartMLS
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| 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 | $5,830 | $471,730 | $0 | $471,730 |
| 2024 | $5,631 | $471,730 | $0 | $471,730 |
| 2023 | $5,489 | $471,730 | $0 | $471,730 |
| 2022 | $5,439 | $471,730 | $0 | $471,730 |
| 2021 | $5,185 | $430,640 | $0 | $430,640 |
| 2020 | $5,176 | $430,640 | $0 | $430,640 |
| 2019 | $5,228 | $430,640 | $0 | $430,640 |
| 2018 | $4,749 | $400,050 | $0 | $400,050 |
| 2017 | $4,808 | $400,050 | $0 | $400,050 |
| 2016 | $4,732 | $400,050 | $0 | $400,050 |
| 2015 | $4,277 | $360,500 | $0 | $360,500 |
| 2014 | $4,191 | $360,500 | $0 | $360,500 |
Source: Public Records
Agents Affiliated with this Home
-
Lucy Magnus
-
Mong Chin Liu
Buyer's Agent in 2026
Mong Chin Liu
Sovereign Properties
(203) 980-5138
35 Total Sales
-
Meredith Cohen
Seller's Agent in 2023
Meredith Cohen
Serhant Connecticut, LLC
(718) 570-5254
110 Total Sales
-
B
Seller's Agent in 2017
Beba Errichetti
Coldwell Banker Realty
-
M
Buyer's Agent in 2017
Mary Ann Grabel
Douglas Elliman of Connecticut
-
C
Seller's Agent in 2013
Carolyn Sarsen
David Ogilvy and Associates
Map
Source: SmartMLS
MLS Number: 24161260
APN: GREE M:08A B:1898/S
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IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
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