Off market feb 2014 for $670K

$1,899,875

Est. refi paymentEst. refi $4,580/mo

•

2,465

sq ft

561 River Rd, Cos Cob, CT 06807

About this home

Single-familyProperty Type

1900Year Built

0.28 acresLot Size

$771Est. Price/Sq.Ft.

1 car garageParking

Listed by Kimberly Frattaroli Horlacher • William Raveis Real Estate

Bought with Dawn Turner • William Raveis Real Estate

Source:Smart MLS #99044812

Redfin Estimate

$1,899,875

$1.2M since sold in February 2014$29K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.6% higher than the average sale price ($1.78M) of 5 comparable homes.

SOLD SEP 10, 2026
$1,450,000
A
4 beds3 baths2,412 sq ft
21 Windsor Ln, Cos Cob, CT 06807
SOLD JUL 31, 2026
$1,800,000
B
4 beds3 baths2,568 sq ft
14 Neil Ln, Riverside, CT 06878
SOLD SEP 30, 2026
$1,600,000
C
4 beds3 baths2,259 sq ft
52 Center Dr, Old Greenwich, CT 06870
SOLD AUG 21, 2026
$2,350,000
D
4 beds3.5 baths2,902 sq ft
9 Deluca Dr, Cos Cob, CT 06807
SOLD SEP 17, 2026
$1,715,000
E
4 beds2.5 baths2,033 sq ft
5 Old Kings Hwy, Old Greenwich, CT 06870

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Earn from this home

Sell

$1,405,737

Est. take-home

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Refinance

Est. cash available

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Rent

$3,553/mo

Redfin rental estimate

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Market trends in 06870, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

108.4%

+0.5% MoM

Median sale price

$2.5M

$622K MoM

Avg. days on market

16d

2 days MoM

Recently sold homes

0 MoM

New listings for sale

$3,750,000
5 beds4.5 baths3,983 sq ft
5 Butler St, Cos Cob, CT 06807
$1,495,000
4 beds3 baths1,774 sq ft
4 Tremont St, Cos Cob, CT 06807
$1,395,000
5 beds3 baths2,805 sq ft
73 Cos Cob Ave, Greenwich, CT 06830
$1,395,000
5 beds3 baths2,805 sq ft
73 Cos Cob Ave, Cos Cob, CT 06807
VIDEO TOUR
$4,295,000
4 beds4.5 baths6,553 sq ft
23 Daffodil Ln, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 561 River Rd

Date

Event

Price

GMLS #125413

Jul 13, 2026

Rental Removed

$7,500

$3/sq ft

Jul 2, 2026

Listed for Rent

$7,500

$3/sq ft

Smart MLS #170358781

Dec 28, 2020

Listing Removed

—

Dec 21, 2020

Listed

$999,000

$405/sq ft

GMLS #86614

Feb 21, 2014

Sold

$670,000

$272/sq ft

Oct 16, 2013

Listed

$730,000

$296/sq ft

+11

Smart MLS #99044812

Feb 21, 2014

Sold

$670,000

$272/sq ft

Oct 16, 2013

Listed

$730,000

$296/sq ft

GMLS #32214

Apr 19, 1995

Sold

—

Apr 19, 1995

Listed

$410,000

$166/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$9,656 (+0.9%)

$497,210 + $332,640

$829,850

2022

$9,568 (+19.6%)

$497,210 + $332,640

$829,850

2021

$8,001 (+0.2%)

$403,550 + $260,960

$664,510

2020

$7,987 (−1.0%)

$403,550 + $260,960

$664,510

2019

$8,067 (+2.3%)

$403,550 + $260,960

$664,510

2018

$7,888 (−1.2%)

$403,550 + $260,960

$664,510

2017

$7,987 (+1.6%)

$403,550 + $260,960

$664,510

2016

$7,860 (+34.9%)

$403,550 + $260,960

$664,510

2014

$5,825

$353,150 + $147,910

$501,060

Tax history for 561 River Rd

Year

Property tax

Land + Additions

Assessment*

2023

$9,656 (+0.9%)

$497,210 + $332,640

$829,850

2022

$9,568 (+19.6%)

$497,210 + $332,640

$829,850

2021

$8,001 (+0.2%)

$403,550 + $260,960

$664,510

2020

$7,987 (−1.0%)

$403,550 + $260,960

$664,510

2019

$8,067 (+2.3%)

$403,550 + $260,960

$664,510

2018

$7,888 (−1.2%)

$403,550 + $260,960

$664,510

2017

$7,987 (+1.6%)

$403,550 + $260,960

$664,510

2016

$7,860 (+34.9%)

$403,550 + $260,960

$664,510

2014

$5,825

$353,150 + $147,910

$501,060

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

2.5

Stories

Lot width

—

Lot depth

—

Lot size

0.28 Acres

Year renovated

—

Sq. Ft.

2,381

Year built

1900

Style

Single Family Residential

County

Fairfield County

APN

1859006

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Garage Information
Garage & Parking: Attached Garage
Garages Number: 1

Interior

Interior Information
Total Rooms: 9
Fireplaces Total: 1
Cooling System: Central Air
Appliances Included: Dishwasher, Dryer, Refrigerator, Washer

Bathroom Information
# of Baths (Full): 2
# of Baths (Half): 2

Bedroom Information
Beds Total: 5

Room Information
Basement Description: Unfinished
Has Attic
Attic Description: Pull-Down Stairs

Exterior

Exterior Features
Roof Information: Asphalt Shingle
Exterior Siding: Vinyl Siding
Exterior Features: Deck

Building Information
Foundation Type: Concrete

Property Information
Property Type: Single Family For Sale
Living Area SQFT Per Public Record: 1982

Financial

Assessments Information
Assessed Value: $501,550

Utilities

Utility Information
Water Source: Private Well
Sewer Usage Fee Annual: $1,647
Sewage System: Septic
Heat Type: Hot Water
Heat Fuel Type: Oil

Location

School Information
Middle Jr High School: Eastern
High School: Greenwich
Elementary School: North Mianus

Location Information
State: Connecticut
Directions: Palmer Hill Road to River Road
County: Fairfield

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,381
Stories: 2.0
Lot Size: 0.28 acres
Style: Single Family Residential
Year Built: 1900
Year Renovated: —
County: Fairfield County
APN: 1859006

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

North Mianus School

Public K-5 • Assigned • 0.3mi

9/10

Eastern Middle School

Public 6-8 • Assigned • 1.8mi

10/10

Greenwich High School

Public 9-12 • Assigned • 2.2mi

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

$1.81M – $2.19M

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Nearby similar homes

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New listings for sale in 06807

$3,750,000

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$1,495,000

4 beds3 baths1,774 sq ft

4 Tremont St, Cos Cob, CT 06807

$1,395,000

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VIDEO TOUR

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Home values near 561 River Rd

Data from public records.

Address	Redfin Estimate
569 River Road, Cos Cob, CT 3 Beds \| 2 Baths \| 1824 Sq. Ft.	$1,366,318
560 River Road, Cos Cob, CT 4 Beds \| 3 Baths \| 1726 Sq. Ft.	$1,617,806

Address	Redfin Estimate
551 River Road, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3634 Sq. Ft.	$2,958,252
566 River Road, Cos Cob, CT 3 Beds \| 1 Baths \| 1474 Sq. Ft.	—

Address	Redfin Estimate
552 River Road, Cos Cob, CT 4 Beds \| 4.5 Baths \| 4078 Sq. Ft.	$3,147,202
558 River Road, Cos Cob, CT 4 Beds \| 3.5 Baths \| 2838 Sq. Ft.	$2,057,477

Property information provided by GMLS when last listed in 2026. This data may not match . Learn more.

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