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$2,695,000
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Property Description
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.
Full Property Details
Full Property Details for 9 Maple St
General
- Price: $2,695,000
- Taxes: (July 2025-June 2026)
- Status: Active
- Type: Single Family
- Source: SMARTMLS
- MLS ID: 24204244
- Updated: 10/10/2026
- Added to Site: 47 day(s) ago
Interior
- Number of Rooms: 17
- Appliances: Gas Cooktop, Wall Oven, Microwave, Refrigerator, Freezer, Dishwasher, Washer, Dryer
Rooms
Bathrooms
- Total Bathrooms: 4
- Full Bathrooms: 3
- Half Bathrooms: 1
- Full Bath: Lower
- Partial Bath: Main
Bedrooms
- Total Bedrooms: 4
- Primary Bedroom: Primary Bedroom - Walk-In Closet, Upper
- Bedroom 1: Bedroom - On 3rd Floor, Other
- Bedroom 2: Bedroom, Upper
- Bedroom 3: Bedroom, Upper
Other Rooms
- Living Room: Living Room, Main
- Family Room: Family Room - Patio/Terrace, Main
- Office: Office, Lower
- Game room: Yes
- Game Room: Rec/Play Room - Book Shelves, Built-Ins, Wet Bar, Lower
- Rec Room: Book Shelves, Built-Ins, Wet Bar, Lower
- Laundry: Lower Level
- Other Room 1: Other - Laundry Hookup, Lower
Location
- County: Fairfield
- Neighborhood: Cos Cob
- Driving Directions: E Putnam Ave to Valley Rd, Left on Maple Street. Number 9 is on the Left.
School Information
- Elementary School: North Mianus
- Middle School: Eastern
- High School: Greenwich
Community
- Community Name: Cos Cob
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Hot Water, Other, Natural Gas
- Heating Fuel: Natural Gas
- Water Heater: Electric, Tankless Hotwater
Utilities
- Sewer: Public Sewer Connected
- Water: Public Water Connected
Structural Information
- Architectural Style: Colonial
- Construction Status: Completed/Never Occupied
- Exterior Const.: Vinyl Siding
- Basement Desc.: Full, Fully Finished
- Roof: Asphalt Shingle
- Attic: Yes
- Square Feet: 2,745
- Above Ground: 2,745 Sq. Ft.
- Year Built: 2025
Lot Features
- Lot Size (Acres): 0.11
- Zoning: R-12
- Lot Description: On Cul-De-Sac
Financial Considerations
- Assessment Amount: $401,240
- Tax Year: July 2025-June 2026
Disclosures and Reports
- Property ID: 999999999
Listed by Houlihan Lawrence, Julie Church
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Schools
Schools serving 9 Maple St
School District:Greenwich School District
| Name | Grades | Distance |
|---|---|---|
North Mianus School 309 Palmer Hill Rd., Greenwich, CT 06878 | K-5 | 0.6 mi |
Eastern Middle School 51 Hendrie Ave., Greenwich, CT 06878 | 6-8 | 2.2 mi |
Greenwich High School 10 Hillside Road, Greenwich, CT 06830 | 9-12 | 2.6 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 9 Maple St
Date
Details
Price
Change
Source
9/10/2026
Listed
$2,695,000
372.81%
MLS
3/03/2023
Sold
$570,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 9 Maple St
Year
Property Taxes
Change
Tax Assessment
Change
2025
$4,959
4%
$401,240
—
2023
$4,789
3%
$401,240
—
2023
$4,669
1%
$401,240
—
2022
$4,626
—
$401,240
-5%
2021
$4,626
-9%
$422,240
—
2020
$5,075
-1%
$422,240
—
2019
$5,126
2%
$422,240
—
2018
$5,012
-1%
$422,240
—
2017
$5,075
2%
$422,240
—
2016
$4,995
12%
$422,240
12%
2015
$4,474
2%
$377,160
—
2014
$4,384
3%
$377,160
—
2013
$4,266
—
$377,160
—
2011
$4,266
—
$377,160
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 9 Maple St
9 Maple Street, Greenwich, CT 06807 (MLS# 24204244) is a Single Family property with 4 bedrooms, 3 full bathrooms and 1 partial bathroom. 9 Maple Street is currently listed for $2,695,000 and was received on September 03, 2026. Want to learn more about 9 Maple Street? Do you have questions about finding other Single Family real estate for sale in Cos Cob? You can browse all Cos Cob real estate or contact a Coldwell Banker agent to request more information.

