Sold
Last Sold Price
5 beds6,296 sqft$512/sqft
56 Frontier Rd, Cos Cob, CT 06807
Single FamilyProperty Type
2.01 acresLot Size
2002Year Built
$512/sq ftPrice per sq ft
3 carsParking Spaces

Description

This beautiful home with 5 en-suite bedrooms has everything you need to enjoy the quiet life of Mid Country: 2 acres of park-like land, 6200+ sq ft with amenities that include Office Space, Theater Room, Exercise/Dance Studio, Playroom. Third floor has a cedar closet, a second office, a hobby room and plenty of storage space. Updates include fresh paint and new flooring. Enjoy entertaining inside and outside!This beautiful home with 5 en-suite bedrooms has everything you need to enjoy the quiet life of Mid Country: 2 acres of park-like land, 6200+ sq ft with amenities that include Office Space, Theater Room, Exercise/Dance Studio, Playroom. Third floor has a cedar closet, a second office, a hobby room and plenty of storage space. Updates include fresh paint and new flooring. Enjoy entertaining inside and outside!
  • Listed by: Juliana Serrao 203.637.1300 • Coldwell Banker Realty
Listing closed: 05/27/2022 12:00 AM • Source: GMLS, MLS#: 115118

Recent comparable sales

Median sold price

$3,760,000

Avg days on market

42

Sale-to-list ratio

101.4%

Cos Cob, CT

9 comparable properties found

an aerial view of a house
1/2
1

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Sold 08/21/25

6
Bedrooms
6,066
Square Feet
0.51
Acres
$4,350,000 | 5 Cat Rock Road, Cos Cob, CT 06807
1/43
2

$4,350,000

Sold 06/12/25

5
Bedrooms
6,219
Square Feet
0.64
Acres
$4,550,888 | 8 Fado Lane, Cos Cob, CT 06807
1/46
3

$4,550,888

Sold 08/29/25

5
Bedrooms
7,041
Square Feet
0.35
Acres
$3,600,000 | 18 Cat Rock Road, Cos Cob, CT 06807
1/51
4

$3,600,000

Sold 07/18/25

6
Bedrooms
6,272
Square Feet
0.56
Acres
a front view of a house with windows
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5

$4,630,000

Sold 05/09/25

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7,150
Square Feet
1
Acres
a front view of house with a garden and yard
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6

$4,000,000

Sold 04/22/25

5
Bedrooms
7,500
Square Feet
2.15
Acres
a front view of a house with garden and trees
1/34
7

$3,760,000

Sold 05/12/25

5
Bedrooms
4,862
Square Feet
1
Acres
$3,200,000 | 100 Orchard Street, Cos Cob, CT 06807
1/2
8

$3,200,000

Sold 11/12/25

5
Bedrooms
4,782
Square Feet
0.42
Acres
$3,314,000 | 2 Daffodil Lane, Cos Cob, CT 06807
1/55
9

$3,314,000

Sold 06/26/26

5
Bedrooms
4,777
Square Feet
1.01
Acres

Location

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$18,508 per month

30 year fixed, 6.55% Interest

Principal and Interest

$16,392

Property Taxes

$2,116

HOA Dues

$0

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Property Information for 56 Frontier Road

Property Details
  • Taxes: $25,388 / year
  • MLS Type: Residential / Single Family
  • Section: Cos Cob
  • Design: Colonial
  • Pool: No
  • Basement Type: Partially Finished
  • Garage #: 3.00
  • Garage Desc: Attached
  • Garage: Yes
Building Information
  • Year Built: 2002
  • Lot Size: 2.01 AC / 87,555 SF
Summary
Location and General Information
  • Area: 4 - Cos Cob
  • Elementary School: North Street
  • Middle School: Central
  • Directions: Stanwich to Cat Rock to Frontier
  • City: Cos Cob
  • MLS Area Major: 4 - Cos Cob
  • Longitude: -73.594575
  • Latitude: 41.08
  • Postal Code: 06807
  • County: Fairfield
  • State Or Province: CT
HOA and Fees
  • Parcel Number: 08-3596
  • Association Chg/Yr: $0
  • Taxes: $25,388
Interior and Exterior Features
Interior Features
  • Bathrooms Total Integer: 8
  • Baths Full: 6
  • Baths Half: 2
  • Beds Total: 5
  • Cooling: Yes
  • Heating: Yes
  • Entry Hall Level/FP: 1st: 1
  • Entry Hall Level/FP: 2nd: 1
  • Living Room Level/FP: 1st: 1
  • Living Room Level/FP: FP: 1
  • Dining Room Level/FP: 1st: 1
  • Library/Den Level/FP: 1st: 1
  • Library/Den Level/FP: FP: 1
  • Family Room Level/FP: 1st: 1
  • Family Room Level/FP: LL: 1
  • Family Room Level/FP: FP: 2
  • Powder Room Level/FP: 1st: 2
  • Kitchen Level/FP: 1st: 1
  • Primary Bdrm Level/FP: 2nd: 1
  • Primary Bath Level/FP: 2nd: 1
  • Dbl Bdrms Level/FP: 2nd: 4
  • Bath Level/FP: 2nd: 4
  • Bath Level/FP: LL: 1
  • Laundry Level/FP: 2nd: 1
  • Other Room Level/FP: 2nd: 1
  • Other Room 2 Level/FP: 3rd: 1
  • Other Room 3 Level/FP: LL: 1
  • Attic: Finished: Yes
  • Dining Room Comments: Formal: Yes
  • Entry Hall Ceilings: Double Height: Yes
  • Entry Hall Comments: Grand Entrance: Yes
  • Entry Hall Comments: Hardwood Floor: Yes
  • Family Room Comments: Adjacent Kitchen: Yes
  • Family Room Comments: Bay Window: Yes
  • Family Room Comments: French Doors: Yes
  • Kitchen Comments: Breakfast Room: Yes
  • Kitchen Comments: Pantry: Yes
  • Laundry Comments: Separate Room: Yes
  • LibraryDen Comments: Built-Ins: Yes
  • Other Room Comments: Office Space: Yes
  • Other Room Comments 2: Playroom: Yes
  • Other Room Comments 3: Home Theater: Yes
  • Cooling System: Central AC: Yes
  • Heat System: Forced Air: Yes
  • Primary Bdrm Comments: Walk-in Closet(s): Yes
  • Primary Bth Comments: Luxury Bath: Yes
  • Cooling System: Central A/C
Exterior Features
  • Exterior: Shake Shingle: Yes
  • Court: No
  • Exterior: Shake Shingle
  • Roof: Wood
  • Pool YN: No
Property
Lot Information
  • Location Property Info: SPOLP: $1.08
  • Location Property Info: List PriceSqFt: $472.52
  • Location Property Info: Owner: De Franca, Eduardo & Maria
  • Location Property Info: Zoning: RA-2
  • Location Property Info: # FPs: 5.0
  • Lot Description: Parklike
  • Lot Size Acres: 2.01
  • Lot Size Area: 2.01
  • Lot Size Square Feet: 87555.6
  • Lot Size Units: Acres
  • Lot Description: Parklike: Yes
Property and Assessments
  • General Property Info: Acres -: 2.01
  • General Property Info: Year Renovations: 2013.0
  • General Property Info: Elementary School: North Street
  • General Property Info: Middle School: Central
  • General Property Info: Design: Colonial
  • General Property Info: Design Plan: Traditional
  • General Property Info: SqFt Source: Taxcard
  • Assessment: $2,190,510
  • Year Renovations: 2013
  • Zoning: RA-2
  • Sanitation Source: Septic Tank
  • SqFt Source: Taxcard
  • Excluded: Call LB: Yes
  • Features: Auto Garage Door: Yes
  • Features: Back Stairs: Yes
  • Features: Cedar Closet: Yes
  • Features: Central Vacuum: Yes
  • Features: Generator: Yes
  • Features: Security System: Yes
  • Features: Sprinkler System: Yes
  • Included: All Kitchen Applncs: Yes
  • Included: WasherDryer: Yes
Utilities
  • Gas Source: Public Utility: Yes
  • Heat Fuel: Gas: Yes
  • Hot Water: Gas: Yes
  • Heat System: Forced Air, Natural Gas
  • Water Source: Well
Multi Family
Building Details
  • Public Remarks: This beautiful home with 5 en-suite bedrooms has everything you need to enjoy the quiet life of Mid Country: 2 acres of park-like land, 6200+ sq ft with amenities that include Office Space, Theater Room, Exercise/Dance Studio, Playroom. Third floor has a cedar closet, a second office, a hobby room and plenty of storage space. Updates include fresh paint and new flooring. Enjoy entertaining inside and outside!
  • Parking Desc: Garage Door Opener

Property History for 56 Frontier Road

DateEvent & SourcePriceAppreciation
May 27, 2022

Closed (Public Record)

Public Record #1491366811

$3,225,000

+0.4% / yr

May 15, 2013

Closed (Public Record)

Public Record #853163646

$3,100,000
May 15, 2013

Closed (Public Record)

Public Record #353163646

$3,100,000

+17.4% / yr

DateEvent & SourcePrice
05/27/2022

Closed (Public Record)

Public Record #1491366811

$3,225,000

+0.4% / yr

05/15/2013

Closed (Public Record)

Public Record #853163646

$3,100,000
05/15/2013

Closed (Public Record)

Public Record #353163646

$3,100,000

+17.4% / yr

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

Public Records for 56 Frontier Road

Taxable ValueLand$617,260Additions$1,608,950Total$2,226,210
Tax Record2025$26,804 ($2,234 / month)
Home Facts
Beds5Baths7Total Finished SqFt6,296 SqFtAbove Grade Finished SqFt6,296 SqFtUnfinished Basement SqFt2,541 SqFtStories2Lot Size87,556 SqFtStyleSingle Family ResidenceYear Built2002Year Renovated2002ZoningRA-2CountyWESTERN CONNECTICUTAPNGREE M:08 B:3596

Schools near 56 Frontier Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Public - PK to 5
Public - 6 to 8
Public - 9 to 12
Private - PK to 12
Rating
School
Distance
North Street School
PublicPK to 5

Central Middle School
Public6 to 8

Greenwich High School
Public9 to 12

The Stanwich School
PrivatePK 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...

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Nearby home values

AddressSold priceBedsBathsSqftLot (Sqft)
This home: 56 Frontier Road, Cos Cob, CT 06807
$3,225,000
5
6,296
87,555
$1,625,000
4
3,195
57,499
$1,736,800
4
2,516
62,726
$1,649,000
4
3,143
110,206
$1,800,000
4
3.5
2,416
46,174
$1
5
4
3,333
105,851

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.

Listing Courtesy of Coldwell Banker Realty, Juliana Serrao

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.