Sold
Last Sold Price
$1,392,500
3 beds3.5 baths2,959 sqft

671 River Rd, Cos Cob, CT 06807

Single FamilyProperty Type
2.35 acresLot Size
1945Year Built
$471/sq ftPrice per sq ft
Listing closed: 09/18/2014 08:00 AM
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Recent comparable sales

Median sold price

$1,515,000

Avg days on market

28

Sale-to-list ratio

106.1%

Cos Cob, CT

9 comparable properties found

$1,459,000 | 6 Cos Cob Avenue, Cos Cob, CT 06807
1/2
1

$1,459,000

Sold 03/14/25

3
Bedrooms
2,686
Square Feet
0.15
Acres
2

$1,500,000

Sold 02/06/26

3
Bedrooms
2.5
Bathrooms
2,548
Square Feet
1
Acres
$1,450,000 | 21 Windsor Lane, Cos Cob, CT 06807
1/25
3

$1,450,000

Sold 09/10/26

4
Bedrooms
2,412
Square Feet
0.28
Acres
$1,530,000 | 4 Cos Cob Avenue, Cos Cob, CT 06807
1/27
4

$1,530,000

Sold 08/17/26

4
Bedrooms
2,720
Square Feet
0.14
Acres
$1,900,000 | 484 Cognewaugh Road, Cos Cob, CT 06807
1/36
5

$1,900,000

Sold 04/23/26

3
Bedrooms
2,832
Square Feet
2.35
Acres
a view of a house with a big yard
1/23
6

$1,430,250

Sold 12/10/24

3
Bedrooms
2,007
Square Feet
1
Acres
$2,610,000 | 98 Hillcrest Park Road, Cos Cob, CT 06807
1/28
7

$2,610,000

Sold 05/29/26

4
Bedrooms
3,298
Square Feet
0.33
Acres
$1,915,000 | 95 Valleywood Road, Cos Cob, CT 06807
1/2
8

$1,915,000

Sold 02/21/25

3
Bedrooms
2,405
Square Feet
0.23
Acres
$1,560,000 | 500 River Road, Unit 15, Cos Cob, CT 06807
1/43
9

$1,560,000

Sold 11/19/25

3
Bedrooms
2,500
Square Feet
Unavailable
Acres

Location

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Payment Calculator

$8,617 per month

30 year fixed, 7.03% Interest

Principal and Interest

$7,434

Property Taxes

$1,183

HOA Dues

$0

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Property Information for 671 River Road

Property Details

Building Information

  • Stories: 2
  • Year Built: 1945
  • Lot Size: 2.35 AC / 102,366 SF

Property History for 671 River Road

DateEvent & SourcePriceAppreciation
Sep 18, 2014

Closed (Public Record)

Public Record #942654310

$1,392,500
—
Sep 11, 2014

Closed (Public Record)

Public Record #442654310

$1,392,500
—
DateEvent & SourcePrice
09/18/2014

Closed (Public Record)

Public Record #942654310

$1,392,500
09/11/2014

Closed (Public Record)

Public Record #442654310

$1,392,500

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 671 River Road

Taxable Value

Land

$896,700

Additions

$282,520
Total$1,179,220

Tax Record

2025

$14,198 ($1,183 / month)

Home Facts

Beds

3

Baths

3.5

Total Finished SqFt

2,959 SqFt

Above Grade Finished SqFt

2,959 SqFt

Unfinished Basement SqFt

848 SqFt

Stories

2

Lot Size

102,366 SqFt

Style

Single Family Residence

Year Built

1945

Year Renovated

1960

Zoning

RA-1

County

WESTERN CONNECTICUT

APN

GREE M:12 B:1548

Schools near 671 River Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
North Mianus School
PublicK to 5

Eastern Middle School
Public6 to 8

Greenwich High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Cos Cob
Cos Cob
A relaxed, waterfront haven just 35 miles from New York City. This centuries-old Greenwich neighborhood, once called “Coscobneck”, was home to an Impressionist art colony from the 1890s to the 1920s. With water on two sides (the Cos Cob Harbor to the south and the Mianus River to the east) and...

Similar Homes

New listings in 06807

$3,095,000 | 36 Mianus View Terrace, Cos Cob, CT 06807
1/23
Open: 10/25 01:00PM - 03:00PM

$3,095,000

5
Bedrooms
3,193
Square Feet
0.28
Acres
$775,000 | 102 Valley Road, Unit 20, Cos Cob, CT 06807
1/25
Listed By Coldwell Banker RealtyOpen: 10/25 01:00PM - 03:00PM

$775,000

2
Bedrooms
1,096
Square Feet
$3,995,000 | 681 River Road, Cos Cob, CT 06807
1/49
Open: 10/24 12:00PM - 02:00PM

$3,995,000

4
Bedrooms
4,969
Square Feet
2.32
Acres
$1,495,000 | 4 Tremont Street, Cos Cob, CT 06807
1/31

$1,495,000

4
Bedrooms
3
Bathrooms
3,069
Square Feet
0.19
Acres
$1,495,000 | 4 Tremont Street, Cos Cob, CT 06807
1/31

$1,495,000

4
Bedrooms
3,069
Square Feet
0.19
Acres
$4,295,000 | 23 Daffodil Lane, Cos Cob, CT 06807
1/35
Virtual Tour

$4,295,000

5
Bedrooms
5,629
Square Feet
1.01
Acres
a front view of a house with a yard
1/25
Listed By Coldwell Banker Realty

$2,999,000

5
Bedrooms
5,042
Square Feet
1.01
Acres
$2,795,000 | 340 Valley Road, Unit 2, Cos Cob, CT 06807
1/20
Listed By Compass

$2,795,000

4
Bedrooms
4,088
Square Feet
Unavailable
Acres
an aerial view of a house with a yard
1/37
Listed By Compass

$2,499,000

4
Bedrooms
2,226
Square Feet
2
Acres

Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 671 River Road, Cos Cob, CT 06807
$1,392,500
3
3.5
2,959
102,366
$1,625,000
4
3,025
44,866
$3,535,000
6
5,894
146,361
$1,292,500
4
2,426
45,738
$2,400,000
5
4.5
5,928
43,560
–
3
2.5
2,747
44,431

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.

Based on information from one of the following Multiple Listing Services: Darien MLS, Smart MLS and Greenwich Multiple Listing Service. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Darien MLS, Smart MLS and Greenwich Multiple Listing Service is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.