9 Maple St, Cos Cob, CT 06807
Property image
Property image
NEW
COMING SOON

$2,695,000

  • 4 Beds
  • 4.5 Baths
  • 2,745 sqft

9 Maple St, Cos Cob, CT 06807

Cos Cob
Est. Mortgage $17,754/mo*
Get Pre-Qualified

Home Highlights

Property Type
Single-Family Home
Year Built
2025
Price/Sqft
$982

Local Information

  • Map ViewExplore the area around 9 Maple St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

Brand new construction in Cos Cob features four finished levels and an abundance of natural light. The main level offers an inviting open-concept kitchen, breakfast area, and family room, leading to a private deck and backyard, extending the living space outdoors. Glass walls along the staircase create a striking architectural detail while allowing light to flow through the home. The luxurious primary suite features a spa-like bath and custom walk-in closet with beautifully designed built-ins. Two additional bedrooms and a full bath complete the second level, with an optional connection for a stackable washer and dryer in the hall closet. The third floor offers a spacious bedroom, full bath, and versatile bonus space ideal for a playroom or office. The finished lower level provides a private office with custom cabinetry, second family room with wet bar, and full bath. Finished carport accommodates one car and would make a great party room. Set on a residential street, the property offers an ideal balance of privacy and convenience, with an easy route to North Mianus and Eastern schools, local shops, restaurants, parks, and the train station.
Last check for updates: about 3 hours ago
Listing courtesy of Julie Church, (203) 561-9373
Houlihan Lawrence
Source: Greenwich MLS, Inc., MLS#125766
Also Listed on Smart MLS, Smart MLS, Greenwich MLS, Inc..

Home Details for 9 Maple St

Interior Features

Interior Details
Basement: Finished,Full
Beds & Baths
Number of Bedrooms: 4Number of Bathrooms: 5Number of Bathrooms (full): 4Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 2745 Square Feet
Heating & Cooling
Heating: Natural Gas,Forced AirHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Natural Gas
Fireplace & Spa
No Fireplace
Security
Security: Smoke Detector(s)

Exterior Features

Exterior Home Features
Roof: AsphaltPatio / Porch: DeckNo Private Pool

Days on Market

Days on Market: <1 day on Trulia

Property Information

Year Built
Year Built: 2025
Property Type / Style
Property Type: ResidentialProperty Subtype: Residential, Single Family ResidenceArchitecture: Colonial
Building
Construction Materials: Vinyl Siding
Property Information
Included in Sale: Call LBParcel Number: 082345/S

Price & Status

Price
List Price: $2,695,000Price Per Sqft: $982

Active Status

MLS Status: Coming Soon - No Showings

Location

Direction & Address
City: Cos Cob
School Information
Elementary School: North MianusJr High / Middle School: Eastern

Agent Information

Listing Agent
Listing ID: 125766

Building

Building Area
Building Area: 2745 Square Feet

Lot Information

Lot Area: 4791.6 sqft

Mobile R/V

Mobile Home Park
Mobile Home Units: Feet

Miscellaneous

BasementMls Number: 125766

Around this home

Neighborhood Overview

Cos Cob
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Cos Cob

At least 1 Trulia users voted on each feature.

  • 100 % Say neighbors are friendly

  • 100 % Say there are community events

  • 100 % Say there's holiday spirit

  • 100 % Say it's walkable to grocery stores

  • 100 % Say it's walkable to restaurants

  • 100 % Say parking is easy

  • 100 % Say car is needed

  • 100 % Say streets are well-lit

  • 100 % Say it's dog friendly

Sourced by Trulia users. Learn more about our methodology.

Market trends in Greenwich

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.44M
$338KMoM
Sale-to-List Price
103.8%
1.1%MoM
Price per sq ft
$825
$24MoM
Available listings
182
8MoM

Home Value

Trulia Estimate
$866K
Since last month
Increased$23K (+2.7%)
Since last year
Increased$67K (+8.4%)
Since last sale
Increased$296K (+51.9%)
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 +61% in the last 10 years
MonthEstimated value
2026
August 2026$866K
August 2026$861K
July 2026$843K
June 2026$862K
May 2026$841K
April 2026$821K
March 2026$826K
February 2026$807K
January 2026$817K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

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
420 Valley Rd, Cos Cob, CT
0.04
Single-Family Home
$1,300,000
04/14/26
4
2.5
1,601
70 Gregory Rd, Cos Cob, CT
0.14
Single-Family Home
$2,175,000
06/26/26
4
3
3,142
9 Deluca Dr, Cos Cob, CT
0.41
Single-Family Home
$2,350,000
08/24/26
4
3.5
2,902
98 Hillcrest Park Rd, Cos Cob, CT
0.35
Single-Family Home
$2,610,000
05/29/26
4
3.5
3,298
350 Valley Rd, Cos Cob, CT
0.33
Single-Family Home
$1,530,000
11/21/25
4
3
1,982
551 River Rd, Cos Cob, CT
0.40
Single-Family Home
$2,285,000
10/27/25
5
3.5
3,634
552 River Rd, Cos Cob, CT
0.40
Single-Family Home
$2,691,500
03/27/26
4
4.5
4,078
681 River Road, Cos Cob, CT
0.29
Single-Family Home
$2,445,000
07/24/26
4
4.5
3,826
681 River Rd, Cos Cob, CT
0.30
Single-Family Home
$2,445,000
07/24/26
4
4.5
3,826

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
420 Valley Rd, Cos Cob, CT 06807
0.04
$1,300,000
4
2.5
1,601
Recently Sold
15 Ronald Lane, Cos Cob, CT 06807
0.07
$2,870,800
5
6
3,670
Off Market
446 Valley Rd, Cos Cob, CT 06807
0.06
-
2
1.5
2,127
Off Market
9 Ronald Lane, Greenwich, CT 06830
0.09
$2,134,200
4
3.5
3,000
Off Market
7 Chestnut St, Cos Cob, CT 06807
0.07
$2,643,300
5
4.5
4,000
Off Market
53 Gregory Rd, Cos Cob, CT 06807
0.11
$1,966,800
4
2
2,175
Off Market
41 Hillcrest Park Road, Cos Cob, CT 06807
0.10
$2,305,100
4
3
3,152
Off Market
43 Hillcrest Park Road, Cos Cob, CT 06807
0.10
$2,252,100
3
3
2,765
Off Market
51 Hillcrest Park Road, Cos Cob, CT 06807
0.10
-
6
5
6,213
Off Market
50 Hillcrest Park Road, Greenwich, CT 06807
0.11
$4,033,400
6
6
6,062
Off Market
72 Hillcrest Park Road, Cos Cob, CT 06807
0.11
$4,652,800
5
4.5
4,180
Off Market

Price and Tax history

DateEventPrice
Apr 7, 2023
Source: Smart MLS #170550784
Sold
$570,000
Feb 28, 2023
Source: Smart MLS #170550784
Contingent
$599,000
Feb 21, 2023
Source: Smart MLS #170550784
Listed For Sale
$599,000
May 18, 2022
Source: Greenwich MLS, Inc. #114626
ListingRemoved
Nov 4, 2021
Source: Smart MLS #170449887
Listed For Sale
$675,000

LGBTQ Local Legal Protections

Julie Church, Houlihan Lawrence
Agent Phone: (203) 561-9373
Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.

Similar Homes You May Like

Skip to last item
Skip to first item

New Listings near 9 Maple St

Skip to last item
Skip to first item

Frequently asked questions about 9 Maple St

  • What is the estimated monthly payment for 9 Maple St?
    Based on a $2,695,000 list price with 20% down at today's rates, the estimated monthly payment for 9 Maple St in Cos Cob, CT is approximately $18,103 (about $14,233 principal & interest, $3,795 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 9 Maple St compare to homes in Cos Cob?
    9 Maple St in Cos Cob, CT is listed at $2,695,000, about 10% above the $2.44M median sale price in Cos Cob.
  • What are the closest schools to 9 Maple St?
    The closest schools to 9 Maple St in Cos Cob, CT are Eastern Middle School (rated 10/10), Greenwich High School (rated 10/10), North Mianus School (Elementary, rated 9/10).
  • What is 9 Maple St estimated to be worth?
    Trulia's estimated value for 9 Maple St in Cos Cob, CT is $866,000.
  • Does 9 Maple St have air conditioning?
    Yes, 9 Maple St in Cos Cob, CT has air conditioning.
  • How big is the lot at 9 Maple St?
    The lot at 9 Maple St in Cos Cob, CT is about 0.11 acres (4,792 sq ft).
9 Maple St, Cos Cob, CT 06807 is a 4 bedroom, 5 bathroom, 2,745 sqft single-family home built in 2025. 9 Maple St is located in Cos Cob, Cos Cob. This property is currently available for sale and was listed by Greenwich MLS, Inc. on Sep 3, 2026. The MLS # for this home is MLS# 125766.