12 Circle Drive Ext, Greenwich, CT 06830

Off market dec 2013 for $665K

$2,053,333

•

2,850

sq ft

12 Circle Drive Ext, Greenwich, CT 06830

About this home

This is a wonderful opportunity to build new or renovate this home at the end of a cul-de-sac in the Cos Cob School area and located in a very calm, pedestrian happy neighborhood. This 4 bedroom, 2B, CA house has HWflrs throughout and a lovely deep private backyard that backs up to the Millbrook Assoc. The total FAR per standard FAR calculations is 4700 Sq. Ft. The attch oversized 1 car garage has two side by side bays and may be possibly easily converted to a two car gar. Easy walk to CC station, parks and all the best Greenwich has to offer.

Single-familyProperty Type

1952Year Built

0.31 acresLot Size

$720Est. Price/Sq.Ft.

1 car garageParking

Listed by Jennifer O'Connell • William Raveis Real Estate

Bought with Lucy Ann Macaluso • Coldwell Banker Realty

Source:Smart MLS #99041180

Redfin Estimate

$2,053,333

$1.4M since sold in December 2013$42K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 1.9% lower than the average sale price ($2.09M) of 6 comparable homes.

SOLD SEP 10, 2026
$2,450,000
A
4 beds4 baths2,941 sq ft
58 Arch St, Greenwich, CT 06830
SOLD OCT 9, 2026
$2,355,000
B
4 beds3.5 baths2,461 sq ft
5 Bayside Ter, Riverside, CT 06878
SOLD JUL 24, 2026
$2,850,000
C
4 beds4 baths3,106 sq ft
22 Mallard Dr, Greenwich, CT 06830
SOLD FEB 24, 2026
$1,999,000
D
4 beds2.5 baths2,540 sq ft
37 Miltiades Ave, Riverside, CT 06878
SOLD JUL 7, 2026
$1,150,000
E
4 beds2 baths1,954 sq ft
50 Valleywood Rd, Cos Cob, CT 06807
SOLD OCT 7, 2026
$1,750,000
F
3 beds3 baths2,972 sq ft
33 Sachem Rd, Greenwich, CT 06830

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Earn from this home

Sell

$1,557,387

Est. take-home

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Rent

$7,871/mo

Redfin rental estimate

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Market trends in 06830, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

1.2% MoM

Median sale price

$2.6M

$778 MoM

Avg. days on market

37d

5 days MoM

Recently sold homes

11 MoM

New listings for sale

OPEN TODAY, 12PM TO 3PM
$4,195,000
4 beds4.5 baths3,660 sq ft
80 Milbank Ave Unit A, Greenwich, CT 06830
$1,350,000
3 beds2.5 baths2,120 sq ft
145 Putnam Park #145, Greenwich, CT 06830
$4,895,000
4 beds3.5 baths2,310 sq ft
19 Davenport Ave, Greenwich, CT 06830
Mike Parelli Real Estate LLC
OPEN TODAY, 1PM TO 3PM
$1,195,000
4 beds2 baths2,018 sq ft
351 Delavan Ave, Greenwich, CT 06830
$1,850,000
4 beds3 baths2,365 sq ft
59 Stanwich Rd, Greenwich, CT 06830
$479,000
1 bed1 bath585 sq ft
52 Lafayette Pl Unit 2B, Greenwich, CT 06830
$1,495,000
4 beds3 baths1,822 sq ft
127 Lake Ave, Greenwich, CT 06830
$2,000,000
2 beds1 bath783 sq ft
7 Idlewild Mnr, Greenwich, CT 06830
$2,195,000
5 beds3 baths2,688 sq ft
27 Sachem Ln, Greenwich, CT 06830
OPEN TODAY, 12PM TO 3PM
$4,795,000
5 beds4.5 baths4,870 sq ft
151 Stanwich Rd, Greenwich, CT 06830
See all

Provided by Redfin

Sale history for 12 Circle Drive Ext

Date

Event

Price

GMLS #86261

Dec 3, 2013

Sold

$665,000

$233/sq ft

Sep 9, 2013

Listed

$695,000

$244/sq ft

THIS IS A WONDERFUL OPPORTUNITY TO BUILD NEW OR RENO. THIS HOME LOCATED AT THE END OF A CUL-DE-SAC IN THE COS COB SCHOOL AREA. THIS 4 BEDROOM, CAC HOUSE, HAS HW FLRS THROUGHOUT AND A LOVELY DEEP PRIV BACKYARD THAT BACKS UP TO THE MILLBROOK ASSOC. THE TOTAL FAR PER STANDARD FAR CALCULATIONS IS 4700 SQ. FT. THE ATTCH OVERSIZED 1 CAR GARAGE CAN POSSIBLY BE CONVERTED TO A STILL VERY ORGANIZED 2 CAR GARAGE. EASY WALK TO CC STATION, PARKS AND ALL THE BEST GREENWICH OFFERS.

Smart MLS #99041180

Dec 3, 2013

Sold

$665,000

$233/sq ft

Sep 9, 2013

Listed

$695,000

$244/sq ft

GMLS #86262

Sep 9, 2013

Listed

$695,000

$244/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$13,332 (+0.9%)

$474,880 + $670,880

$1,145,760

2022

$13,211 (+9.1%)

$474,880 + $670,880

$1,145,760

2021

$12,107 (+0.2%)

$350,770 + $654,780

$1,005,550

2020

$12,087 (−1.0%)

$350,770 + $654,780

$1,005,550

2019

$12,207 (+2.3%)

$350,770 + $654,780

$1,005,550

2018

$11,936 (+3.6%)

$350,770 + $654,780

$1,005,550

2017

$11,517 (+20.5%)

$350,770 + $607,460

$958,230

2016

$9,555 (+86.7%)

$350,770 + $456,960

$807,730

2014

$5,118

$371,560 + $68,740

$440,300

Tax history for 12 Circle Drive Ext

Year

Property tax

Land + Additions

Assessment*

2023

$13,332 (+0.9%)

$474,880 + $670,880

$1,145,760

2022

$13,211 (+9.1%)

$474,880 + $670,880

$1,145,760

2021

$12,107 (+0.2%)

$350,770 + $654,780

$1,005,550

2020

$12,087 (−1.0%)

$350,770 + $654,780

$1,005,550

2019

$12,207 (+2.3%)

$350,770 + $654,780

$1,005,550

2018

$11,936 (+3.6%)

$350,770 + $654,780

$1,005,550

2017

$11,517 (+20.5%)

$350,770 + $607,460

$958,230

2016

$9,555 (+86.7%)

$350,770 + $456,960

$807,730

2014

$5,118

$371,560 + $68,740

$440,300

*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

3.5

Stories

Lot width

—

Lot depth

—

Lot size

0.31 Acres

Year renovated

—

Sq. Ft.

3,265

Year built

2015

Style

Single Family Residential

County

Fairfield County

APN

1848761

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Dec 11, 2023.

Property details

Parking

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

Interior

Interior Information
Total Rooms: 7
Cooling System: Ceiling Fans, Central Air
Appliances Included: Dishwasher, Dryer, Oven/Range, Refrigerator, Washer

Bathroom Information
# of Baths (Full): 2

Bedroom Information
Beds Total: 4

Room Information
Room Count: 8
Basement Description: Full, Partially Finished, Storage, Walk-out
Has Attic

Exterior

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

Lot Information
Lot Description: On Cul-De-Sac, Level Lot, Fence - Partial

Building Information
Foundation Type: Block
Color: Blue

Property Information
Waterfront Description: Beach Rights
Property Type: Single Family For Sale
Living Area SQFT Per Public Record: 1425

Financial

Assessments Information
Assessed Value: $440,300

Utilities

Utility Information
Water Source: Public Water Connected
Sewage System: Public Sewer Connected
Heat Fuel Type: Natural Gas

Location

School Information
Middle Jr High School: Central
High School: Greenwich
Elementary School: Cos Cob

Location Information
State: Connecticut
Directions: Indian Field to Morningside to Circle Dr. To Circle Dr. Ext.
County: Fairfield

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 3,265
Stories: 2.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 2015
Year Renovated: —
County: Fairfield County
APN: 1848761

Home facts updated by county records on Dec 11, 2023

Around this home

Schools

Cos Cob School

Public PreK-5 • Assigned • 1.2mi

6/10

Central Middle School

Public 6-8 • Assigned • 1.6mi

8/10

Greenwich High School

Public 9-12 • Assigned • 1.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

4/10 Flood Factor

Estimated 10-16% chance 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, 15 days in 30 years

6/10 Wind Factor

67% chance of strong winds in next 30 years

6/10 Air Factor

9 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Greenwich, CT • 06830

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

$1.95M – $2.36M

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Home values near 12 Circle Drive Ext

Data from public records.

Address	Redfin Estimate
21 Circle Drive Extension, Greenwich, CT 3 Beds \| 1 Baths \| 1390 Sq. Ft.	$1,254,922
2 Circle Drive Extension, Greenwich, CT 3 Beds \| 2 Baths \| 2220 Sq. Ft.	—

Address	Redfin Estimate
10 Circle Drive Extension, Greenwich, CT 5 Beds \| 5 Baths \| 5420 Sq. Ft.	$4,393,578
6 Circle Drive Extension, Greenwich, CT 3 Beds \| 2 Baths \| 1675 Sq. Ft.	$1,678,545

Address	Redfin Estimate
15 Circle Drive Extension, Greenwich, CT 3 Beds \| 2 Baths \| 1882 Sq. Ft.	$1,388,200
9 Circle Drive Extension, Greenwich, CT 2 Beds \| 2 Baths \| 1260 Sq. Ft.	$1,133,575

Property information provided by Smart MLS when last listed in 2013. This data may not match . Learn more.

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