$2,307,900
- 5 Beds
- 4 Baths
- 3,444 sqft (on 1.05 acres)
23 Frontier Rd, Cos Cob, CT 06807
Est. Refi. Payment $15,534/mo*
Refinance Your HomeCurrently Off Market - Sold Sep 30, 2021 for $1,470,000
Home Value
Trulia Estimate
$2.31MSince last month
Decreased$3K (-0.1%)Since last year
Increased$145K (+6.7%)Since last sale
Increased$842K (+57.3%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +54% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $2.31M |
| August 2026 | $2.31M |
| July 2026 | $2.32M |
| June 2026 | $2.37M |
| May 2026 | $2.32M |
| April 2026 | $2.27M |
| March 2026 | $2.27M |
| February 2026 | $2.17M |
| January 2026 | $2.14M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.38 | Single-Family Home | $2,000,000 | 07/16/26 | 4 | 3 | 2,899 | |
0.36 | Single-Family Home | $1,900,000 | 04/23/26 | 3 | 2.5 | 2,832 | |
0.64 | Single-Family Home | $2,550,000 | 05/15/26 | 4 | 4.5 | 4,161 | |
0.36 | Single-Family Home | $3,100,000 | 07/07/26 | 5 | 5.5 | 5,114 | |
0.69 | Single-Family Home | $3,314,000 | 06/26/26 | 5 | 4 | 4,777 | |
0.83 | Single-Family Home | $3,000,000 | 05/21/26 | 4 | 4.5 | 3,734 | |
1.01 | Single-Family Home | $1,300,000 | 05/29/26 | 4 | 2.5 | 3,412 | |
0.93 | Single-Family Home | $1,500,000 | 02/10/26 | 3 | 2.5 | 2,600 | |
0.92 | Single-Family Home | $2,840,000 | 04/10/26 | 3 | 3.5 | 3,648 | |
0.57 | Single-Family Home | $4,700,000 | 07/14/26 | 5 | 5.5 | 5,169 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.07 | $2,692,000 | 6 | 4 | 3,704 | Off Market | |
0.08 | $2,686,500 | 5 | 3.5 | 3,738 | Off Market | |
0.12 | $2,250,300 | 3 | 3 | 2,938 | Off Market | |
0.18 | $4,216,600 | 5 | 4.5 | 5,365 | Off Market | |
0.23 | $1,554,000 | 3 | 1.5 | 2,712 | Off Market | |
0.23 | $2,640,200 | 4 | 4 | 3,153 | Off Market | |
0.24 | - | 3 | 2.5 | 2,100 | Off Market | |
0.25 | $2,098,800 | 4 | 4 | 3,143 | Off Market | |
0.30 | $7,995,000 | 6 | 6.5 | 7,391 | Recently Sold | |
0.30 | $3,065,100 | 5 | 5 | 4,118 | Off Market | |
0.34 | $10,723,600 | 6 | 8 | 10,212 | Off Market | |
0.33 | $3,585,400 | 5 | 4.5 | 5,776 | Off Market |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1969
1.05 acre lot
3,444 sqft
$670/sqft
Garage
About this House
Minutes from Cos Cob town center and train. A renovated classic colonial close to amenities with a back country feel. Modern floor plan and finished basement playroom make for seamless living.
23 Frontier Rd, Cos Cob, CT 06807 is a 5 bedroom, 4 bathroom, 3,444 sqft single-family home built in 1969. It last sold for $1,470,000 on Sep 30, 2021. More recently, it was listed as a rental in February 2020 with an asking price of $7,500 per month. That rental listing was removed on March 10, 2020. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $2,307,900.
Home Details for 23 Frontier Rd
|
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Interior Details Basement |
Heating & Cooling Heating: Forced AirAir ConditioningHeating Fuel: Forced Air |
Appliances & Utilities DryerRefrigeratorWasher |
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Exterior Home Features Roof: AsphaltExterior: Wood |
Pool Pool |
Parking & Garage GarageParking Spaces: 2Parking: Garage Attached |
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Year Built Year Built: 1969 |
Property Type / Style Property Type: Single Family HomeArchitecture: Colonial |
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Lot Area: 1.05 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Sep 30, 2021 Source: Smart MLS #170378639 | Sold | $1,470,000 |
Aug 10, 2021 Source: Smart MLS #170378639 | Contingent | $1,550,000 |
Jul 15, 2021 Source: Smart MLS #170378639 | PriceChange | $1,550,000 Price decreased by 2% |
Jul 11, 2021 Source: Smart MLS #170378639 | PendingToActive | $1,575,000 |
Jul 8, 2021 Source: Smart MLS #170378639 | Contingent | $1,575,000 |
Jun 26, 2021 Source: Smart MLS #170378639 | PendingToActive | $1,575,000 |
Mar 21, 2021 Source: Smart MLS #170378639 | Contingent | $1,575,000 |
Mar 16, 2021 Source: Smart MLS #170378639 | Listed For Sale | $1,575,000 |
Mar 10, 2020 Source: Agent Provided | ListingRemoved | $7,500 |
Feb 6, 2020 Source: Agent Provided | Listed For Rent | $7,500 |
May 26, 2018 Source: Agent Provided | ListingRemoved | $7,900 |
May 1, 2018 Source: Agent Provided | PriceChange | $7,900 Price decreased by 4% |
Apr 23, 2018 Source: Agent Provided | Listed For Rent | $8,200 |
Apr 23, 2018 Source: Agent Provided | ListingRemoved | $1,695,000 |
Apr 3, 2018 Source: Agent Provided | Listed For Sale | $1,695,000 |
Jun 20, 2003 Source: N/A | Sold | $1,865,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | $11,721 | $973,490 |
Home facts updated by county records
Market trends in Greenwich
Last updated August 2026
Avg. sale price
$2.58M
$150KMoM
Sale-to-List Price
104.8%
1.0%MoM
Price per sq ft
$825
$1MoM
Available listings
152
30MoM
Around this home
What Locals Say about Greenwich
At least 470 Trulia users voted on each feature.
88 % Say it's dog friendly
83 % Say car is needed
77 % Say parking is easy
76 % Say there's holiday spirit
74 % Say people would walk alone at night
73 % Say yards are well-kept
69 % Say kids play outside
67 % Say it's walkable to restaurants
67 % Say they plan to stay for at least 5 years
67 % Say it's quiet
60 % Say there are sidewalks
60 % Say there's wildlife
58 % Say neighbors are friendly
57 % Say streets are well-lit
55 % Say it's walkable to grocery stores
45 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 23 Frontier Rd
- What is 23 Frontier Rd estimated to be worth?Trulia's estimated value for 23 Frontier Rd in Cos Cob, CT is $2,307,900.
- What is the price history for 23 Frontier Rd?23 Frontier Rd in Cos Cob, CT last sold for $1,470,000 in September 2021.
- Is Cos Cob a buyer's or seller's market?Cos Cob is currently a seller's market, based on recent for-sale activity.
- What's the median sale price in Cos Cob?The median sale price in Cos Cob is $2.58M. That is up $150K from the prior month.
- Does 23 Frontier Rd have a pool?Yes, 23 Frontier Rd in Cos Cob, CT has a pool.
- Does 23 Frontier Rd have laundry facilities?Yes, 23 Frontier Rd in Cos Cob, CT has in-unit laundry.