OFF MARKET

Off market may 2024 for $2.8M

$3,861,185

•

4,645

sq ft

550 River Rd, Cos Cob, CT 06807

About this home

Upscale Riverview development, this modern newer construction (2019) boasts superior craftsmanship, light filled expansive rooms, high ceilings, hardwood floors, and upscale luxurious finishes. Revel in serene privacy, surrounded by woodlands, wonderful river views, (Not in a flood zone) & private dock with direct access to the Mianus River. The grand foyer leads to a living room, dining room, and family room with fireplace. Offering 2 primary suites (1st and 2nd flr's), 2nd floor Bedrooms all with en-suite Baths, office, finished 3rd floor w/ Bath and an expansive 2024 sq ft lower level (Not incl. in the sq footage). Outdoor features include Patio, fenced-in yard & irrigation system. A 10 KW Generator ensures peace of mind. Conveniently located near schools, shops, and transportation

Single-familyProperty Type

2017Year Built

0.36 acresLot Size

$831Est. Price/Sq.Ft.

2 car garageParking

Listed by Cora Lynch-O'Meara • Brown Harris Stevens CT, LLC

Bought with Joanna Michael • Coldwell Banker Realty

Redfin checked: a minute ago

•Source:GMLS #120170

Redfin Estimate

$3,861,185

$996K since sold in May 2024$403K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.9% higher than the average sale price ($3.75M) of 6 comparable homes.

SOLD JUL 16, 2026
$4,000,000
A
5 beds4.5 baths4,916 sq ft
27 Cognewaugh Rd, Cos Cob, CT 06807
SOLD JUL 16, 2026
$4,802,500
B
5 beds6.5 baths5,426 sq ft
20 Old Wagon Rd, Old Greenwich, CT 06870
SOLD JUL 2, 2026
$3,900,000
C
5 beds5.5 baths4,627 sq ft
48 North Ridge Rd, Old Greenwich, CT 06870
SOLD JUN 24, 2026
$3,710,000
D
5 beds4.5 baths4,302 sq ft
74 Long Meadow Rd, Riverside, CT 06878
SOLD OCT 5, 2026
$2,929,162
E
6 beds5.5 baths5,442 sq ft
219 Orchard St, Cos Cob, CT 06807
SOLD SEP 21, 2026
$3,175,000
F
5 beds4.5 baths4,332 sq ft
23 Riverside Ln, Riverside, CT 06878

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$1,447,468

Est. take-home

List your home with Redfin and save $38,612

Rent

$4,375/mo

Redfin rental estimate

List your home for rent

Market trends in 06807, CT

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

105.6%

0.4% MoM

Median sale price

$1.9M

$87K MoM

Avg. days on market

19d

4 days MoM

Recently sold homes

2 MoM

New listings for sale

$3,750,000
5 beds4.5 baths4,000 sq ft
17 Salem St, Cos Cob, CT 06807
3D WALKTHROUGH
$785,000
2 beds2 baths1,287 sq ft
98 Valley Rd #10, Cos Cob, CT 06807
$2,950,000
3 beds3.5 baths2,712 sq ft
19 Daffodil Ln, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 550 River Rd

Date

Event

Price

GMLS #120170

May 29, 2024

Sold

$2,865,000

$617/sq ft

Apr 26, 2024

Pending

—

Apr 4, 2024

Listed

$2,795,000

$602/sq ft

Apr 2, 2024

Coming Soon

$2,795,000

$602/sq ft

Smart MLS #24007838

Apr 4, 2024

Listed

$2,795,000

$602/sq ft

GMLS #114694

Dec 10, 2021

Sold

$2,595,000

$559/sq ft

Nov 29, 2021

Pending

—

Nov 16, 2021

Listed

$2,595,000

$559/sq ft

+28

Set in the new luxury Riverview development, this bright & modern 6 BR, 5.1 BA, 4,645 sf new construction (2019) home features exceptional building quality, state-of-the-art energy efficiency, high ceilings, hardwood floors, spacious rooms & sophisticated finishes. Enjoy peaceful woodland & river views & a dock offering direct access to the Mianus River for kayaking/canoeing. The elegant entry foyer with curved staircase opens to the living room, dining room, & family room with fireplace. The home offers 2 primary bedroom suites (1st & 2nd flr) & two 2nd floor BRs with ensuite BAs. Finished 3rd floor with 2 BRs & BA. Pre-finished lower level offers lots of possibilities. Patio & fenced-in landscaped yard with irrigation system. 10 KW Generator. Convenient to schools, shops, train & I-95.

OneKey® MLS as Distributed by MLS Grid #H6154827

Dec 10, 2021

Sold

$2,595,000

$559/sq ft

Nov 29, 2021

Pending

—

Nov 16, 2021

Listed

$2,595,000

$559/sq ft

OneKey® MLS as Distributed by MLS Grid #H4844215

Jun 19, 2019

Listing Removed

—

Apr 18, 2019

Price Changed

$2,100,000

$452/sq ft

Apr 12, 2019

Price Changed

$2,350,000

$506/sq ft

Nov 7, 2018

Listing Removed

—

Sep 20, 2018

Listed

$3,200,000

$689/sq ft

Smart MLS #170126036

Jun 18, 2019

Listing Removed

—

Apr 18, 2019

Price Changed

$2,100,000

$452/sq ft

Apr 12, 2019

Price Changed

$2,350,000

$506/sq ft

Nov 7, 2018

Listing Removed

—

Sep 18, 2018

Listed

$3,200,000

$689/sq ft

GMLS #104499

Apr 18, 2019

Price Changed

$2,100,000

$452/sq ft

Apr 12, 2019

Price Changed

$2,350,000

$506/sq ft

Sep 18, 2018

Listed

$3,200,000

$689/sq ft

Join or sign in to view all info

Public record

Beds

—

Baths

—

Stories

—

Lot width

—

Lot depth

—

Lot size

—

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Fairfield County

APN

12-1555/S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jan 30, 2024.

Property details

Parking

Parking and Garage Information
Has Garage
# of Garage Spaces: 2
Parking Features: Garage Door Opener

Interior

Virtual Tour Information

Bathroom Information
# of Full Bathrooms: 5
# of Half Bathrooms: 1
Bathrooms Total Integer: 6
Bathrooms Total Decimal: 5.5

Heating & Cooling
Has Cooling
Cooling: Central A/C
Has Heating
Heating: Forced Air, Natural Gas

Interior Features
Interior Features: Sep Shower, Eat-in Kitchen
Has Fireplace(s)
# of Fireplaces Total: 1
Basement: Unfinished

Exterior

Exterior Features
Patio And Porch Features: Terrace

Property Information
Property Sub-Type: Single Family Residence
Year Built: 2017
Roof: Architectural Shngle
Construction Materials: Shingle Siding
Other Equipment: Generator
Building Area Total: 4645.0
Building Area Source: Architect

Lot Information
Lot Features: Adjcnt Conservation, Parklike
On Waterfront
Waterfront Features: River
Lot Size Area: 0.36
Lot Size Units: Acres
Lot Size Square Feet: 15681.6
Lot Size Acres: 0.36
Zoning: R-12

Financial

Tax Information
Tax Annual Amount: $16,195

Utilities

Utilities Information
Sewer: Public Sewer
Water Source: Well

Location

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

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Fairfield County
APN: 12-1555/S

Home facts updated by county records on Jan 29, 2024

Around this home

Schools

K - 12
Preschool & daycare

North Mianus School

Public K-5 • Assigned • 0.2mi

10/10

Eastern Middle School

Public 6-8 • Assigned • 1.8mi

10/10

Greenwich High School

Public 9-12 • Assigned • 2.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 16 days in 30 years

6/10 Wind Factor

67% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Cos Cob, CT • 06807

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.67M – $4.44M

Reach more buyers when you sell with Redfin. Save up to $38,612 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

NEW CONSTRUCTION

$4,595,000

5 beds8 baths7,079 sq ft

17 Stuart Dr, Old Greenwich, CT 06870

Wellness center • Golf simulator • Wine room

$1,429,000

4 beds2.5 baths1,750 sq ft

5 Griffith Rd, Riverside, CT 06878

Chef's kitchen • Quartz countertops • Large center island

$1,699,000

5 beds2 baths2,047 sq ft

25 Westview Pl, Riverside, CT 06878

Expanded cape • Cul-de-sac • Renovated in 2021

$2,999,000

5 beds4 baths5,042 sq ft

59 Dandy Dr, Cos Cob, CT 06807

Private one acre lot • Gourmet kitchen • Stone patio

$1,695,000

4 beds3 baths3,597 sq ft

28 Gregory Rd, Cos Cob, CT 06807

New roof • Flexible floor plan • 0.25 acre lot

VIDEO TOUR

$3,495,000

4 beds2.5 baths3,670 sq ft

14 Highview Ave, Old Greenwich, CT 06870

Coffered ceiling • Expansive back deck • Stone patio

New listings for sale in 06807

$3,750,000

5 beds4.5 baths4,000 sq ft

17 Salem St, Cos Cob, CT 06807

10 foot ceilings • Butler pantry • Sub zero appliances

3D WALKTHROUGH

$785,000

2 beds2 baths1,287 sq ft

98 Valley Rd #10, Cos Cob, CT 06807

Private stone patio • Replacement windows • New dishwasher

$2,950,000

3 beds3.5 baths2,712 sq ft

19 Daffodil Ln, Cos Cob, CT 06807

1.08 acre lot • 2 garage spots • Pool

Home values near 550 River Rd

Data from public records.

Address	Redfin Estimate
551 River Rd, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3634 Sq. Ft.	$3,014,483
566 River Rd, Cos Cob, CT 3 Beds \| 1 Baths \| 1474 Sq. Ft.	—
567 River Rd, Cos Cob, CT 4 Beds \| 2 Baths \| 1326 Sq. Ft.	$1,452,936
536 River Rd, Cos Cob, CT 5 Beds \| 3.5 Baths \| 2944 Sq. Ft.	$2,905,939
335 Valley Rd, Cos Cob, CT 4 Beds \| 3.5 Baths \| 5212 Sq. Ft.	$3,953,855
2 Sweet Briar Ln, Cos Cob, CT 3 Beds \| 2.5 Baths \| 2796 Sq. Ft.	$1,738,157
3 Sweet Briar Ln, Cos Cob, CT 2 Beds \| 2 Baths \| 2471 Sq. Ft.	$1,501,762

Address	Redfin Estimate
552 River Rd, Cos Cob, CT 4 Beds \| 4.5 Baths \| 4078 Sq. Ft.	$3,148,494
561 River Rd, Cos Cob, CT 5 Beds \| 3 Baths \| 2465 Sq. Ft.	$1,664,917
565 River Rd, Cos Cob, CT 3 Beds \| 1.5 Baths \| 2007 Sq. Ft.	$1,602,976
554 River Rd, Cos Cob, CT 4 Beds \| 4.5 Baths \| 4150 Sq. Ft.	$3,388,887
2 Sweet Briar Ln, Cos Cob, CT 4 Beds \| 2 Baths \| 1578 Sq. Ft.	$1,461,245
337 Valley Rd, Cos Cob, CT 3 Beds \| 1.5 Baths \| 1210 Sq. Ft.	$1,203,860
341 Valley Rd, Cos Cob, CT 3 Beds \| 2 Baths \| - Sq. Ft.	$1,816,354

Address	Redfin Estimate
560 River Rd, Cos Cob, CT 4 Beds \| 3 Baths \| 1726 Sq. Ft.	$1,628,700
558 River Rd, Cos Cob, CT 4 Beds \| 3.5 Baths \| 2838 Sq. Ft.	$2,142,890
564 River Rd, Cos Cob, CT 3 Beds \| 2 Baths \| 1896 Sq. Ft.	$1,252,573
1 Sweet Briar Ln, Cos Cob, CT 4 Beds \| 1 Baths \| 1963 Sq. Ft.	$1,424,980
4 Sweet Briar Ln, Cos Cob, CT 3 Beds \| 2 Baths \| 2146 Sq. Ft.	$1,576,513
139 Hillcrest Park Rd, Cos Cob, CT 4 Beds \| 2 Baths \| 1536 Sq. Ft.	$1,374,382
5 Sweet Briar Ln, Cos Cob, CT 3 Beds \| 2.5 Baths \| 2796 Sq. Ft.	$1,256,020

Property information provided by GMLS when last listed in 2024. This data may not match . Learn more.

More real estate resources

Minor Civil Divisions
Neighborhoods
Cities
Zip Codes
Popular Searches

Wilton homes for sale
Teaneck Township homes for sale
Monroe homes for sale
Fairfield homes for sale
New Canaan homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

06830 homes for sale
06902 homes for sale
06905 homes for sale
06906 homes for sale
10580 homes for sale

Houses for rent in Greenwich	Agents near me	Westport, CT homes for sale	Greenwich Housing Market
Houses for sale near me	Greenwich, CT homes for sale	New Haven, CT homes for sale
Land for sale near me	Stamford, CT homes for sale	Milford, CT homes for sale
Open Houses near me	West Hartford, CT homes for sale	Greenwich Property Records
Condos for sale near me	Norwalk, CT homes for sale	CT New Listings

Manhattan homes for sale
New York homes for sale
Stamford homes for sale