Off Market Sep 2021 for $1.4M

$2,359,345

Est. refi paymentEst. refi $7,546/mo

•

4,692

sq ft

23 Frontier Rd, Cos Cob, CT 06807

About this home

Ready for a quick closing! This inviting Cos Cob home is located in the North Street School district and is close to town, schools and trains. The upper level offers the master suite with sitting area, gas fireplace, 2 walk-in closets and full bath. The remaining 4 bedrooms are generously sized. The main level boasts a stately Library, Formal Dining room and Formal Living room, with a fireplace. The Family room has French doors leading out to the back terrace. The renovated Kitchen has plenty of room for entertaining. The sun filled breakfast area leads out to the terrace and heated in-ground pool. The lower level has a playroom, laundry/storage room and a media room. Photos are of the home before the tenant moved in. This is a short sale and requires third party approval. Short sale is well underway! Property to be sold in as-is condition. No repairs will be made by the seller. Inspections are for informational purposes only. Buyer to pay premium of $2,000.00 payable to seller’s attorney at closing for short sale negotiation services. Personal items may remain with the property at closing. All offers to be submitted on Smart MLS Standard Form Contract. Agents – please see agent remarks.

Single-familyProperty Type

1969Year Built

1.05 acresLot Size

$503Est. Price/Sq.Ft.

2 car garageParking

Listed by Heather Weber • Coldwell Banker Realty

Bought with Nancy Fogwell • Berkshire Hathaway NE Prop.

Source:Smart MLS #170378639

Redfin Estimate

$2,359,345

$889K since sold in September 2021$49K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 33.3% lower than the average sale price ($3.54M) of 6 comparable homes.

SOLD JUN 26, 2026
$3,314,000
A
5 beds4 baths4,777 sq ft
2 Daffodil Ln, Cos Cob, CT 06807
SOLD JUL 15, 2026
$3,857,000
B
5 beds3 baths3,679 sq ft
6 Wyngate Rd, Greenwich, CT 06830
SOLD MAY 21, 2026
$3,000,000
C
4 beds4.5 baths3,734 sq ft
29 Old Stone Bridge Rd, Cos Cob, CT 06807
SOLD JUL 14, 2026
$4,700,000
D
5 beds5.5 baths5,169 sq ft
34 Dunwoodie Pl, Greenwich, CT 06830
SOLD MAY 15, 2026
$2,550,000
E
4 beds4.5 baths4,161 sq ft
150 N Old Stone Bridge Rd, Cos Cob, CT 06807
SOLD JUL 16, 2026
$3,800,000
F
5 beds4.5 baths4,870 sq ft
151 Stanwich Rd, Greenwich, CT 06830

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

Earn from this home

Sell

$1,155,834

Est. take-home

List your home with Redfin and save $23,593

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$4,370/mo

Redfin rental estimate

List your home for rent

Market trends in 06807, CT

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.2%

+1.3% MoM

Median sale price

$1.7M

$147K MoM

Avg. days on market

24d

15 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SUN, 1PM TO 3PM
$1,379,000
2 beds2.5 baths1,732 sq ft
115 River Rd #5, Cos Cob, CT 06807
$869,500
2 beds3 baths1,428 sq ft
49 Harold St #2, Cos Cob, CT 06807
$869,500
2 beds3 baths1,428 sq ft
49 Harold St #1, Cos Cob, CT 06807
$1,800,000
3 beds2.5 baths2,550 sq ft
55 Cos Cob Ave, Cos Cob, CT 06807
$1,699,000
4 beds3.5 baths3,120 sq ft
24 Harold St Unit B, Cos Cob, CT 06807
$1,739,000
4 beds6 baths2,856 sq ft
49 Harold St, Cos Cob, CT 06807
$759,000
2 beds2 baths1,368 sq ft
453 E Putnam Ave Unit 4G, Cos Cob, CT 06807
See all

Provided by Redfin

Sale history for 23 Frontier Rd

Date

Event

Price

Smart MLS #170378639

Sep 30, 2021

Sold

$1,470,000

$313/sq ft

Aug 10, 2021

Contingent

—

Jul 15, 2021

Price Changed

$1,550,000

$330/sq ft

Jul 11, 2021

Relisted

—

Jul 8, 2021

Contingent

—

Jun 26, 2021

Relisted

—

Mar 21, 2021

Contingent

—

Mar 16, 2021

Listed

$1,575,000

$336/sq ft

GMLS #100982

Jun 19, 2018

Delisted

—

Sep 6, 2017

Listed

$1,760,000

$375/sq ft

GMLS #102322

Apr 23, 2018

Delisted

—

Mar 8, 2018

Listed

$1,695,000

$361/sq ft

Smart MLS #170059643

Apr 23, 2018

Listing Removed

—

Mar 8, 2018

Listed

$1,695,000

$361/sq ft

Smart MLS #170012252

Mar 1, 2018

Listing Removed

—

Feb 1, 2018

Price Changed

$1,760,000

$375/sq ft

Sep 6, 2017

Listed

$1,895,000

$404/sq ft

GMLS #97673

Apr 20, 2017

Delisted

—

Aug 30, 2016

Listed

$1,895,000

$404/sq ft

Smart MLS #99158463

Apr 20, 2017

Listing Removed

—

Aug 30, 2016

Listed

$1,895,000

$404/sq ft

GMLS #97095

Jul 28, 2016

Delisted

—

Jun 15, 2016

Listed

$2,147,000

$458/sq ft

GMLS #52510

Jun 19, 2003

Sold

$1,865,000

$397/sq ft

Feb 18, 2003

Listed

$1,875,000

$400/sq ft

GMLS #32352

May 4, 1995

Sold

—

May 4, 1995

Listed

$725,000

$155/sq ft

Public Records

Jul 1, 1989

Sold

$550,000

$117/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$11,088 (+1.0%)

$528,220 + $445,270

$973,490

2022

$10,981 (−6.7%)

$528,220 + $445,270

$973,490

2021

$11,770

$480,200 + $535,290

$1,015,490

2020

$11,770 (−0.8%)

$480,200 + $535,290

$1,015,490

2019

$11,861 (+2.7%)

$480,200 + $535,290

$1,015,490

2018

$11,546

$480,200 + $535,290

$1,015,490

2017

$11,546 (+7.9%)

$480,200 + $535,290

$1,015,490

2016

$10,705 (+10.2%)

$480,200 + $475,580

$955,780

2014

$9,712

$598,500 + $286,790

$885,290

Tax history for 23 Frontier Rd

Year

Property tax

Land + Additions

Assessment*

2023

$11,088 (+1.0%)

$528,220 + $445,270

$973,490

2022

$10,981 (−6.7%)

$528,220 + $445,270

$973,490

2021

$11,770

$480,200 + $535,290

$1,015,490

2020

$11,770 (−0.8%)

$480,200 + $535,290

$1,015,490

2019

$11,861 (+2.7%)

$480,200 + $535,290

$1,015,490

2018

$11,546

$480,200 + $535,290

$1,015,490

2017

$11,546 (+7.9%)

$480,200 + $535,290

$1,015,490

2016

$10,705 (+10.2%)

$480,200 + $475,580

$955,780

2014

$9,712

$598,500 + $286,790

$885,290

*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

1.05 Acres

Year renovated

—

Sq. Ft.

3,444

Year built

1969

Style

Single Family Residential

County

Fairfield County

APN

1855578

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: 2

Interior

Virtual Tour Information
Has Virtual Tour

Interior Information
Total Rooms: 13
Laundry Room Info: Lower Level
Fireplaces Total: 2
Cooling System: Central Air
Appliances Included: Gas Cooktop, Wall Oven, Microwave, Refrigerator

Bathroom Information
# of Baths (Full): 4

Bedroom Information
Beds Total: 5

Room Information
Room Count: 12
Basement Description: Partial, Partially Finished, Heated, Cooled
Has Attic
Attic Description: Access Via Hatch

Exterior

Exterior Features
Roof Information: Tile
Exterior Siding: Wood
Exterior Features: Stone Wall, Terrace

Lot Information
Lot Description: Level Lot, Rolling

Pool Information
Swimming Pool
Pool Description: In Ground Pool, Heated

Building Information
Foundation Type: Concrete
Construction Description: Frame

Property Information
Property Type: Single Family For Sale
Living Area SQFT Per Public Record: 3444
Driveway Type: Paved

Financial

Assessments Information
Assessed Value: $1,015,490

Utilities

Utility Information
Water Source: Private Well
Sewage System: Septic
Hot Water Description: Electric
Heat Type: Hot Air
Heat Fuel Type: Natural Gas

Location

School Information
High School: Greenwich
Elementary School: North Street

Location Information
State: Connecticut
Directions: Stanwich Rd to Cat Rock to Frontier.
County: Fairfield

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 3,444
Stories: 2.0
Lot Size: 1.05 acres
Style: Single Family Residential
Year Built: 1969
Year Renovated: —
County: Fairfield County
APN: 1855578

Home facts updated by county records on Jul 12, 2023

Other

Documents & Disclosures
Supplement Count Public: 1

Around this home

Schools

North Street School

Public PreK-5 • Assigned • 1.7mi

9/10

Central Middle School

Public 6-8 • Assigned • 2.0mi

8/10

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, 14 days in 30 years

6/10 Wind Factor

62% 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

$2.24M – $2.71M

Reach more buyers when you sell with Redfin. Save up to $23,593 in fees. 3 minutes to get started.

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

Nearby similar homes

OPEN FRI, 10AM TO 12PM

$825,000

3 beds2 baths2,333 sq ft

325 Den Rd, Stamford, CT 06903

VIDEO TOUR

$13,100,000

6 beds7 baths10,286 sq ft

7 Parsonage Rd, Greenwich, CT 06830

$1,900,000

4 beds4 baths3,164 sq ft

47 Summit Ridge Rd, Stamford, CT 06902

$19,950,000

9 beds11 baths16,154 sq ft

16 Doubling Rd, Greenwich, CT 06830

$2,195,000

6 beds4.5 baths10,746 sq ft

677 W Hill Rd, Stamford, CT 06902

$8,995,000

6 beds7 baths11,567 sq ft

31 Sawmill Ln, Greenwich, CT 06830

New listings for sale in 06807

OPEN SUN, 1PM TO 3PM

$1,379,000

2 beds2.5 baths1,732 sq ft

115 River Rd #5, Cos Cob, CT 06807

$869,500

2 beds3 baths1,428 sq ft

49 Harold St #2, Cos Cob, CT 06807

$869,500

2 beds3 baths1,428 sq ft

49 Harold St #1, Cos Cob, CT 06807

$1,800,000

3 beds2.5 baths2,550 sq ft

55 Cos Cob Ave, Cos Cob, CT 06807

$1,699,000

4 beds3.5 baths3,120 sq ft

24 Harold St Unit B, Cos Cob, CT 06807

$1,739,000

4 beds6 baths2,856 sq ft

49 Harold St, Cos Cob, CT 06807

$759,000

2 beds2 baths1,368 sq ft

453 E Putnam Ave Unit 4G, Cos Cob, CT 06807

Home values near 23 Frontier Rd

Data from public records.

Address	Redfin Estimate
24 Frontier Road, Cos Cob, CT 4 Beds \| 2.5 Baths \| 3022 Sq. Ft.	$2,603,363
27 Frontier Road, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3338 Sq. Ft.	$3,059,284

Address	Redfin Estimate
12 Frontier Road, Cos Cob, CT 5 Beds \| 3.5 Baths \| 3568 Sq. Ft.	$3,103,488
35 Frontier Road, Cos Cob, CT 4 Beds \| 3 Baths \| 3880 Sq. Ft.	$2,473,394

Address	Redfin Estimate
19 Frontier Road, Cos Cob, CT 4 Beds \| 3.5 Baths \| 3787 Sq. Ft.	$2,923,596
38 Frontier Road, Cos Cob, CT 4 Beds \| 5.5 Baths \| 3518 Sq. Ft.	$2,754,773

Property information provided by Smart MLS when last listed in 2021. This data may not match . Learn more.

More real estate resources

Neighborhoods
Minor Civil Divisions
Zip Codes
Cities
Popular Searches

Newfield-Westover-Turn of River homes for sale
Mid Country West homes for sale
Eastern Greenwich homes for sale
North Old Greenwhich homes for sale
North Riverside 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.

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.

Wilton homes for sale
Weston homes for sale
Monroe homes for sale
Fairfield homes for sale
New Canaan homes for sale

06830 homes for sale
06902 homes for sale
06831 homes for sale
06870 homes for sale
06878 homes for sale

Houses for rent in Cos Cob	Agents near me	Norwalk, CT homes for sale	Cos Cob 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	Cos Cob Property Records
Condos for sale near me	Westport, CT homes for sale	CT New Listings

Greenwich homes for sale
New York homes for sale
Stamford homes for sale