Off market sep 2020 for $1M

$1,768,037

•

1,922

sq ft

3 Walnut St, Cos Cob, CT 06807

About this home

Look no further. Live under an hour from Manhattan in the quiet and beautiful Cos Cob neighborhood of Greenwich. This home is a charming colonial that has a little bit of everything. When you first pull up to 3 Walnut you will notice the white fence and a wrap around porch that is to die for. Upon entering, the first floor warmingly welcomes you with an open floor plan that is very versatile for many uses. The living room features vaulted ceilings with beams, a bay window, fireplace, full bath, and French doors leading out to the large back deck. The dine in kitchen compliments this part of the house with ample countertop and cabinet space, and two sinks. On this level of the home you will also find a separate dining room and living room/family room. There are truly endless configuration possibilities for all needs. The second level of this home sports 3 bedrooms, a full bath and a walk up attic with plenty of storage. The second level also has a cozy sitting area great for studying or relaxing. 3 Walnut is situated on a flat and level grassy lot that is fully fenced in and tastefully landscaped. Don’t miss the barn garage and spacious driveway perfect for parking multiple vehicles! Public water and sewer! Don’t let this one get away!

Single-familyProperty Type

1900Year Built

0.26 acresLot Size

$920Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Stephen Lasko • Lasko Real Estate, LLC

Bought with Laura Ince • Houlihan Lawrence

Source:Smart MLS #170318502

Redfin Estimate

$1,768,037

$743K since sold in September 2020$93K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.8% higher than the average sale price ($1.54M) of 6 comparable homes.

SOLD SEP 9, 2026
$2,200,000
A
Land1,454 sq ft
23 Nimitz Pl, Old Greenwich, CT 06870
SOLD AUG 28, 2026
$2,127,000
B
Land2,303 sq ft
5 Old Wagon Rd, Old Greenwich, CT 06870
SOLD JUN 17, 2026
$1,100,000
C
3 beds2 baths1,080 sq ft
100 Havemeyer Ln, Old Greenwich, CT 06870
SOLD JUL 7, 2026
$799,000
D
3 beds2.5 baths2,256 sq ft
250 High Ridge Rd, Stamford, CT 06905
SOLD APR 14, 2026
$1,300,000
E
4 beds2.5 baths1,601 sq ft
420 Valley Rd, Cos Cob, CT 06807
SOLD SEP 17, 2026
$1,715,000
F
4 beds2.5 baths2,033 sq ft
5 Old Kings Hwy, Old Greenwich, CT 06870

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Earn from this home

Sell

$942,467

Est. take-home

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Rent

$2,997/mo

Redfin rental estimate

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Market trends in 06807, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

106.0%

+2.0% MoM

Median sale price

$2.0M

$320K MoM

Avg. days on market

15d

2 days MoM

Recently sold homes

4 MoM

New listings for sale

OPEN SUN, 12PM TO 2PM
$4,295,000
4 beds4.5 baths6,553 sq ft
23 Daffodil Ln, Cos Cob, CT 06807
$1,850,000
3 beds2 baths1,739 sq ft
10 Mill Pond Ct, Cos Cob, CT 06807
OPEN SUN, 2PM TO 4PM
$2,650,000
4 beds4 baths3,150 sq ft
316 Valley Rd, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 3 Walnut St

Year

Property tax

Land + Additions

Assessment*

2023

$7,503 (+0.9%)

$484,470 + $160,370

$644,840

2022

$7,435 (+8.6%)

$484,470 + $160,370

$644,840

2021

$6,848 (+2.7%)

$418,460 + $150,290

$568,750

2020

$6,669 (−1.4%)

$418,460 + $136,360

$554,820

2019

$6,764 (+2.3%)

$418,460 + $138,740

$557,200

2018

$6,614 (−1.2%)

$418,460 + $138,740

$557,200

2017

$6,697 (+1.6%)

$418,460 + $138,740

$557,200

2016

$6,591 (+56.4%)

$418,460 + $138,740

$557,200

2014

$4,215

$258,020 + $104,580

$362,600

Tax history for 3 Walnut St

Year

Property tax

Land + Additions

Assessment*

2023

$7,503 (+0.9%)

$484,470 + $160,370

$644,840

2022

$7,435 (+8.6%)

$484,470 + $160,370

$644,840

2021

$6,848 (+2.7%)

$418,460 + $150,290

$568,750

2020

$6,669 (−1.4%)

$418,460 + $136,360

$554,820

2019

$6,764 (+2.3%)

$418,460 + $138,740

$557,200

2018

$6,614 (−1.2%)

$418,460 + $138,740

$557,200

2017

$6,697 (+1.6%)

$418,460 + $138,740

$557,200

2016

$6,591 (+56.4%)

$418,460 + $138,740

$557,200

2014

$4,215

$258,020 + $104,580

$362,600

*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

Stories

Lot width

—

Lot depth

—

Lot size

11,325

Year renovated

2023

Sq. Ft.

1,922

Year built

1900

Style

Single Family Residential

County

Fairfield County

APN

1858726

Parking Spaces

Basement

Yes

Accessible

HOA Dues

—

Garage

Yes

Features

—

Last updated by owner on Jan 22, 2023.

Property details

Parking

Garage Information
Garage & Parking: Detached Garage, Barn
Garages Number: 1

Interior

Virtual Tour Information
Has Virtual Tour

Interior Information
Total Rooms: 7
Laundry Room Info: Main Level
Interior Features: Open Floor Plan
In-Law Apartment: No
Fireplaces Total: 1
Cooling System: Window Unit
Appliances Included: Gas Range, Microwave, Range Hood, Refrigerator, Dishwasher, Washer, Electric Dryer

Bathroom Information
# of Baths (Full): 2

Bedroom Information
Beds Total: 3

Room Information
Basement Description: Full, Unfinished, Hatchway Access, Storage
Has Attic
Attic Description: Walk-up

Exterior

Exterior Features
Roof Information: Asphalt Shingle
Exterior Siding: Wood
Exterior Features: Deck, French Doors, Garden Area, Gutters, Lighting, Patio, Porch, Stone Wall, Wrap Around Deck

Lot Information
Lot Description: Dry, Level Lot, Fence - Full, Fence - Stone, Fence - Wood

Building Information
Foundation Type: Block, Stone
Construction Description: Frame
Color: White

Property Information
Property Type: Single Family For Sale
Living Area SQFT Per Public Record: 1922
Driveway Type: Private, Paved

Financial

Assessments Information
Assessed Value: $554,820

Utilities

Utility Information
Water Source: Public Water Connected
Sewer Assess Description: ask agent
Sewage System: Public Sewer Connected
Hot Water Description: Natural Gas
Heat Type: Baseboard
Heat Fuel Type: Natural Gas

Location

School Information
Middle Jr High School: Eastern
Intermediate School: Per Board of Ed
High School: Greenwich
Elementary School: North Mianus

Location Information
State: Connecticut
Nearby Amenities: Park, Playground/Tot Lot
Directions: Valley to Walnut
County: Fairfield

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,922
Stories: 1.0
Parking Spaces: 6
Basement: Yes
Accessible: No
Lot Size: 0.26 acres
Style: Single Family Residential
Year Built: 1900
Year Renovated: 2023
County: Fairfield County
APN: 1858726
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on Jan 22, 2023

Other

Documents & Disclosures
Supplement Count Public: 1

Around this home

Schools

North Mianus School

Public K-5 • Assigned • 0.8mi

9/10

Eastern Middle School

Public 6-8 • Assigned • 2.4mi

10/10

Greenwich High School

Public 9-12 • Assigned • 2.5mi

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

5/10 Heat Factor

7 days above 99° expected this year, 15 days in 30 years

6/10 Wind Factor

66% 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

$1.68M – $2.03M

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New listings for sale in 06807

OPEN SUN, 12PM TO 2PMVIDEO TOUR

$4,295,000

4 beds4.5 baths6,553 sq ft

23 Daffodil Ln, Cos Cob, CT 06807

$1,850,000

3 beds2 baths1,739 sq ft

10 Mill Pond Ct, Cos Cob, CT 06807

OPEN SUN, 2PM TO 4PMVIDEO TOUR

$2,650,000

4 beds4 baths3,150 sq ft

316 Valley Rd, Cos Cob, CT 06807

Home values near 3 Walnut St

Data from public records.

Address	Redfin Estimate
9 Walnut St, Cos Cob, CT 3 Beds \| 1 Baths \| 1482 Sq. Ft.	$1,365,590
1 North St, Cos Cob, CT 4 Beds \| 2.5 Baths \| 2375 Sq. Ft.	$1,892,497

Address	Redfin Estimate
14 Walnut St, Cos Cob, CT 3 Beds \| 1.5 Baths \| 1898 Sq. Ft.	$1,346,940
664 River Rd, Cos Cob, CT 3 Beds \| 2.5 Baths \| 3312 Sq. Ft.	$2,646,657

Address	Redfin Estimate
3 North St, Cos Cob, CT 2 Beds \| 1 Baths \| 1881 Sq. Ft.	$1,474,985
2 North St, Cos Cob, CT 3 Beds \| 2 Baths \| 1861 Sq. Ft.	$1,459,207

Property information provided by Smart MLS when last listed in 2020. This data may not show owner updates. Learn more.

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