$2,691,500
SOLD MAR 27, 2026

552 River Rd Cos Cob, CT 06807

4 Beds
4.5 Baths
4,078 Sq Ft
0.28 Acres Lot

Sale Details

Date Sold: March 27, 2026

$660 Per Sq Ft

2% Below List Price

46 Days on Market

Highlights

  • River Front
  • Eat-In Gourmet Kitchen
  • 2 Fireplaces
  • North Mianus School Rated A+
  • Colonial Architecture
  • High Ceiling

About This Home

As of March 2026

Elevated living in this bright 2019-built home featuring high ceilings, hardwood floors, and quality finishes throughout. Light-filled rooms offer serene woodland views, plus a private dock with direct access to the Mianus River (not in a flood zone). Two primary suites on the first and second floors, additional en-suite bedrooms, office, and a spacious pre-finished lower level. Patio, fenced landscaped yard with irrigation, and a 10kW generator. Convenient to schools, shops, train, and I-95.

Last Agent to Sell the Property

Gloria Gimenez-Ferrer

BHHS New England Properties License #RES.0807098 Listed on: 01/12/2026

BHHS New England Properties

Last Buyer's Agent

Angela Swift

Compass Connecticut, LLC License #RES.0767293

Compass Connecticut, LLC

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $18,160

Year Built

  • Built in 2018 | Remodeled in 2021

Lot Details

  • 12,197 Sq Ft Lot
  • River Front
  • Fenced Yard
  • Property is zoned R-12

HOA Fees

  • $67 Monthly HOA Fees

Parking

  • 2 Car Attached Garage

Home Design

  • Colonial Architecture
  • Asphalt Roof
  • Clapboard

Interior Spaces

  • 4,078 Sq Ft Home
  • Built-In Features
  • High Ceiling
  • 2 Fireplaces
  • French Doors
  • Mud Room
  • Partially Finished Basement
  • Basement Fills Entire Space Under The House
  • Walkup Attic
  • Eat-In Gourmet Kitchen

Bedrooms and Bathrooms

  • 4 Bedrooms

Laundry

  • Laundry Room
  • Washer and Dryer

Outdoor Features

  • Terrace

Utilities

  • Forced Air Heating and Cooling System
  • Heating System Uses Gas
  • Heating System Uses Natural Gas
  • Gas Available
  • Well
  • Gas Water Heater

Listing and Financial Details

  • Assessor Parcel Number 12-1556/S

Home Details

Home Type

Single Family

Est. Annual Taxes

$18,160

Year Built

Built in 2018 | Remodeled in 2021

Lot Details

0.28 Acres

HOA Fees

$67 per month

Parking

2

Listing Details

  • Prop. Type: Residential
  • Year Built: 2018
  • Property Sub Type: Single Family Residence
  • Lot Size Acres: 0.28
  • Inclusions: Washer/Dryer, All Kitchen Applncs
  • Architectural Style: Colonial
  • Effective Year Built: 2021
  • Cooling System:Central AC: Yes
  • Included:WasherDryer: Yes
  • Features:Terrace: Yes
  • Features:Fenced Yard: Yes
  • Lot Description:Adjcnt Conservation: Yes
  • Lot Description:Fenced: Yes
  • Entry Hall Ceilings:Double Height: Yes
  • Tax Misc Info Association Fee: 800.0
  • Tax Misc Info Association Fee Frequency: Annually
  • Entry Hall LevelFP 1st37: 1
  • Special Features: None
  • Year Renovated: 2021

Interior Features

  • Has Basement: Full, Partially Finished
  • Full Bathrooms: 4
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Fireplaces: 2
  • Fireplace: Yes
  • Interior Amenities: Eat-in Kitchen
  • Kitchen Comments:Gourmet: Yes
  • Primary Bth Comments:Luxury Bath: Yes
  • Laundry Comments:Separate Room: Yes
  • Primary Bdrm LevelFP:FP8: 1
  • Living Room Comments:French Doors: Yes
  • Kitchen Comments:Eat-In Kitchen: Yes
  • Other Room LevelFP:LL49: 1
  • Basement Type:Full: Yes
  • Basement Type:Partially Finished: Yes
  • Primary Bdrm Comments:Built-Ins4: Yes
  • Dining Room LevelFP:FP3: 1
  • Other Room Comments:Mudroom: Yes
  • Attic:Walk Up: Yes
  • LibraryDen Comments:French Doors4: Yes
  • Living Room LevelFP 1st38: 1
  • Dining Room LevelFP 1st39: 1
  • Family Room LevelFP 1st41: 1
  • Powder Room LevelFP 1st42: 1
  • Kitchen LevelFP 1st43: 1
  • Primary Bdrm LevelFP 2nd44: 1
  • Primary Bath LevelFP 2nd45: 1
  • LibraryDen LevelFP 1st40: 1
  • Primary Bdrm LevelFP 1st44: 1
  • Primary Bath LevelFP 1st45: 1
  • Laundry LevelFP 1st53: 1

Exterior Features

  • Roof: Asphalt
  • Lot Features: Adjcnt Conservation, Fenced
  • Waterfront Features: River Front
  • Waterfront: Yes
  • Construction Type: Clapboard
  • Patio And Porch Features: Terrace
  • Exterior:Clapboard: Yes
  • Roof:Asphalt: Yes
  • Waterfront Descrip:River: Yes

Garage/Parking

  • Attached Garage: No
  • Garage Spaces: 2.0
  • Parking Features: Attached Garage

Utilities

  • Water Source: Well
  • Cooling: Central Air
  • Laundry Features: Laundry Room
  • Cooling Y N: Yes
  • Heating: Natural Gas, See Remarks, Forced Air
  • Heating Yn: Yes
  • Sewer: Town Sewer
  • Heat System:Forced Air: Yes
  • Heat Fuel:Gas: Yes
  • Sanitation Source:Town Sewer: Yes
  • Hot Water:Gas2: Yes
  • Gas Source:Public Utility: Yes
  • Water Source:Well: Yes

Condo/Co-op/Association

  • Association Fee: 800.0
  • Association Fee Frequency: Annually
  • Association: Yes

Schools

  • Elementary School: North Mianus
  • Middle Or Junior School: Eastern

Lot Info

  • Zoning: R-12
  • Lot Size Sq Ft: 12196.8
  • Parcel #: 12-1556/S

Tax Info

  • Tax Annual Amount: 18160.0
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





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
03/27/2026 03/27/26 Sold $2,691,500 +1.6% $660 / Sq Ft
02/27/2026 02/27/26 Pending -- -- --
02/03/2026 02/03/26 Price Changed $2,650,000 -3.6% $650 / Sq Ft
01/12/2026 01/12/26 For Sale $2,750,000 0.0% $674 / Sq Ft
07/30/2025 07/30/25 Rented $14,000 -6.7% --
07/08/2025 07/08/25 Price Changed $15,000 -6.3% $4 / Sq Ft
07/01/2025 07/01/25 For Rent $16,000 +12.7% --
07/27/2023 07/27/23 Rented $14,200 +5.2% --
07/18/2023 07/18/23 For Rent $13,500 0.0% --
07/09/2021 07/09/21 Sold $2,300,000 -3.2% $545 / Sq Ft View Prior Sale
07/01/2021 07/01/21 Pending -- -- --
04/27/2021 04/27/21 For Sale $2,375,000 0.0% $563 / Sq Ft
05/20/2020 05/20/20 Rented $10,800 0.0% --
05/15/2020 05/15/20 For Rent $10,800 +13.7% --
05/22/2019 05/22/19 Rented $9,500 -3.1% --
04/17/2019 04/17/19 Price Changed $9,800 0.0% $2 / Sq Ft
04/17/2019 04/17/19 For Rent $9,800 -10.9% --
02/20/2019 02/20/19 Off Market $11,000 -- --
12/17/2018 12/17/18 Price Changed $11,000 -4.3% $2 / Sq Ft
11/05/2018 11/05/18 Price Changed $11,500 -11.5% $3 / Sq Ft
09/19/2018 09/19/18 For Rent $13,000 0.0% --
10/18/2014 10/18/14 Sold $840,000 -30.0% $409 / Sq Ft View Prior Sale
09/15/2014 09/15/14 Pending -- -- --
04/23/2014 04/23/14 For Sale $1,200,000 -- $585 / Sq Ft
Source: Greenwich Association of REALTORS®

Agents Affiliated with this Home

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Map

Source: Greenwich Association of REALTORS®

MLS Number: 124137

Greenwich Association of REALTORS®

APN: GREE M:12 B:1556/S

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