Bright newer five bedroom Center Hall Colonial near North Mianus school and minutes to Eastern Middle school , Riverside and Cos Cob shopping and RR stations. Third floor separate suite with bedroom, bath and office or sitting room. Hardwood floors , fenced in backyard. Great flow for day-to-day indoor and outdoor living and entertaining. Total Sq. footage includes 535 sq. ft. below grade. Finished lower level rec. room.
Sold for $2,285,000 on 10/27/25
$2,285,000
551 River Rd, Cos Cob, CT 06807
5beds
3,634sqft
Residential, Single Family Residence
Built in 2014
9,583.2 Square Feet Lot
$2,301,000 Zestimate®
$629/sqft
$7,604 Estimated rent
Home value
$2,301,000
$2.07M - $2.55M
$7,604/mo
Zestimate® history
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What's special
Zillow last checked: 11 hours ago
Listing updated: October 27, 2025 at 09:52am
Listed by:
Maria Arning 203-561-2509,
BHHS New England Properties
Bought with:
Agustina Sanchez, RES.0832948
Houlihan Lawrence
Source: Greenwich MLS, Inc.,MLS#: 121011
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Forced Air, Propane
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Eat-in Kitchen, Entrance Foyer
- Windows: Double Pane Windows
- Basement: Partially Finished
- Number of fireplaces: 1
Interior area
- Total structure area: 3,634
- Total interior livable area: 3,634 sqft
Property
Parking
- Total spaces: 2
- Parking features: Garage Door Opener
- Garage spaces: 2
Features
- Patio & porch: Terrace
- Fencing: Fenced
Lot
- Size: 9,583 sqft
- Features: Level
Details
- Parcel number: 121534/S
- Zoning: R-12
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- Vinyl Siding
- Roof: Asphalt
Condition
- Year built: 2014
Utilities & green energy
- Water: Well
- Utilities for property: Cable Connected, Propane
Community & neighborhood
Security
- Security features: Security System, Smoke Detector(s)
Location
- Region: Cos Cob
Price history
| Date | Event | Price |
|---|---|---|
| 10/29/2025 | Listing removed | $12,000$3/sqft |
Source:  Berkshire Hathaway HomeServices New England Properties | ||
| 10/27/2025 | Sold | $2,285,000-2.8%$629/sqft |
Source:  Greenwich MLS, Inc. #121011 | ||
| 10/27/2025 | Listed for rent | $12,000$3/sqft |
Source: Berkshire Hathaway HomeServices New England Properties | ||
| 10/27/2025 | Listing removed | $12,000$3/sqft |
Source: Smart MLS #24116504 | ||
| 10/16/2025 | Pending sale | $2,350,000$647/sqft |
Source: Greenwich MLS, Inc. #121011 | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $15,045 +3.5% | $1,217,300 |
| 2024 | $14,530 +2.6% | $1,217,300 |
| 2023 | $14,165 +0.9% | $1,217,300 |
Find assessor info on the county website
Neighborhood: 06807
Nearby schools
GreatSchools rating
- 9/10North Mianus SchoolGrades: K-5Distance: 0.2 mi
- 9/10Eastern Middle SchoolGrades: 6-8Distance: 1.8 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 2.3 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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$2,301,000
2% more+ $46,020
With Zillow Showcase(estimated)
$2,347,020