R
Landlord's Agent in 2025
Rebecca Karson
Houlihan Lawrence
(646) 361-3672
7 Total Sales
27 Cognewaugh Rd Cos Cob, CT 06807
5
Beds
4.5
Baths
5,662
Sq Ft
$632
Price per Sq Ft
Highlights
- Waterfront
- Deck
- Cathedral Ceiling
- North Mianus School Rated A+
- Hilly Lot
- Finished Attic
About This Home
As of July 2025Beautiful light filled shingle style home set high above the Mianus River Valley in Greenwich; views of open sky, treetops + the river. Five bedrooms; Primary suite with sitting room, luxury bath and screened in porch with hanging bed, 3 double bedrooms and 1 single with Jack + Jill baths. Open floor plan with eat-in gourmet kitchen open to dining room, family room with french doors to deck and covered outdoor room, den and living room that opens to seating area under pergola. Large deck with covered room, putting green/turf backyard, fire pit + bball hoop. Playroom on 2nd flr. LL has a kids play space (climbing wall, zip line, turfed and padded), + add'l entertaining room with gas fireplace + bar and home office. Game rm/studio on the 3rd flr. Available partially furnished or unfurnished
Last Agent to Rent the Property
Houlihan Lawrence License #RES.0811555 Listed on: 04/29/2025
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $21,346
Year Built
- Built in 2007
Lot Details
- 0.42 Acre Lot
- Waterfront
- Fenced Yard
- Hilly Lot
Parking
- 1 Car Attached Garage
Home Design
- Shake Roof
Interior Spaces
- 5,662 Sq Ft Home
- Partially Furnished
- Rear Stairs
- Tray Ceiling
- Cathedral Ceiling
- 3 Fireplaces
- French Doors
- Game Room
- Play Room
- Screened Porch
- Finished Basement
- Walk-Out Basement
- Finished Attic
- Eat-In Kitchen
- Washer and Dryer
Bedrooms and Bathrooms
- 5 Bedrooms
- En-Suite Primary Bedroom
Outdoor Features
- Deck
- Patio
Utilities
- Forced Air Heating and Cooling System
- Heating System Uses Gas
- Heating System Uses Natural Gas
- Gas Available
- Well
- Gas Water Heater
Community Details
- Putting Green
Listing and Financial Details
- 12 Month Lease Term
- Long Term Lease
- Assessor Parcel Number 08-1885/S
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Closed on
Jun 16, 2016
Sold by
Flaste Rebecca
Bought by
Karson David
Current Estimated Value
Purchase Details
Closed on
Aug 4, 1998
Sold by
Bonvenuto Florence M
Bought by
Karson David and Flaste Rebecca
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Home Values in the Area
Average Home Value in this Area
Purchase History
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| Karson David | -- | -- | |
| Karson David | $309,500 | -- |
Source: Public Records
Mortgage History
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | Karson David | $1,500,000 | |
| Previous Owner | Karson David | $905,000 | |
| Previous Owner | Karson David | $575,000 | |
| Previous Owner | Karson Kavid | $900,000 | |
| Previous Owner | Karson David | $600,000 | |
| Previous Owner | Karson David | $300,700 |
Source: Public Records
Property History
| Date | Event | Price | Change | Sq Ft Price |
|---|---|---|---|---|
| 07/21/2025 07/21/25 | Rented | $20,000 | +5.3% | -- |
| 05/28/2025 05/28/25 | Price Changed | $19,000 | -5.0% | $3 / Sq Ft |
| 04/29/2025 04/29/25 | For Rent | $20,000 | -- | -- |
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 | $21,346 | $1,727,180 | $557,480 | $1,169,700 |
| 2024 | $20,616 | $1,727,180 | $557,480 | $1,169,700 |
| 2023 | $20,097 | $1,727,180 | $557,480 | $1,169,700 |
| 2022 | $18,897 | $1,638,980 | $557,480 | $1,081,500 |
| 2021 | $20,298 | $1,685,880 | $498,190 | $1,187,690 |
| 2020 | $20,264 | $1,685,880 | $498,190 | $1,187,690 |
| 2019 | $20,467 | $1,685,880 | $498,190 | $1,187,690 |
| 2018 | $20,011 | $1,685,880 | $498,190 | $1,187,690 |
| 2017 | $20,263 | $1,685,880 | $498,190 | $1,187,690 |
| 2016 | $19,942 | $1,685,880 | $498,190 | $1,187,690 |
| 2015 | $17,630 | $1,478,400 | $541,660 | $936,740 |
| 2014 | $17,186 | $1,478,400 | $541,660 | $936,740 |
Source: Public Records
Agents Affiliated with this Home
-
Rebecca Karson
-
Jose Cuartas
Landlord's Co-Listing Agent in 2025
Jose Cuartas
Houlihan Lawrence
(203) 921-6154
3 in this area
38 Total Sales
-
Ellen Mosher
Tenant's Agent in 2025
Ellen Mosher
Houlihan Lawrence
(203) 705-9680
10 in this area
164 Total Sales
Map
Source: Greenwich Association of REALTORS®
MLS Number: 122611
APN: GREE-000008-000000-001885-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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