Welcome to 18 Sound Beach Ave—a stunning 4-bedroom, 3.5-bath home in Old Greenwich, with completion expected by the end of May. The exterior showcases white James Hardie siding, black windows, and sleek architectural design. Inside, enjoy white oak hardwood floors, an open-concept layout, and a modern kitchen with a serving window and French doors leading to a large rear deck. Upstairs offers a serene primary suite, two additional bedrooms, and a full bath. The finished lower level features a fourth bedroom with en-suite bath, laundry hookups, and a bonus room perfect for an office, playroom, or in-law setup. Enjoy gas heating, central air, a spacious yard, and proximity to top-rated schools, beaches, parks, and shops.
New construction
$2,199,900
18 Sound Beach Ave, Old Greenwich, CT 06870
4beds
1,977sqft
Est.:
Residential, Single Family Residence
Built in 2025
8,276.4 Square Feet Lot
$2,190,800 Zestimate®
$1,113/sqft
$-- HOA
What's special
Sleek architectural designSerene primary suiteWhite oak hardwood floorsFinished lower levelModern kitchenBlack windowsOpen-concept layout
- 13 days
- on Zillow |
- 1,077 |
- 25 |
Zillow last checked: 7 hours ago
Listing updated: May 30, 2025 at 12:45pm
Listed by:
Brian Barbosa 203-945-8298,
Brian J. Barbosa
Source: Greenwich MLS, Inc.,MLS#: 122825

Travel times
Tour with a buyer’s agent
Tour with a buyer’s agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Forced Air, Natural Gas
Cooling
- Central Air
Features
- Sep Shower, In-Law Floorplan
- Basement: Finished,Walk-Out Access
- Has fireplace: No
Interior area
- Total structure area: 1,977
- Total interior livable area: 1,977 sqft
Property
Features
- Patio & porch: Deck
Lot
- Size: 8,276.4 Square Feet
Details
- Parcel number: 061351/S
- Zoning: R-7
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Residential, Single Family Residence
Materials
- Fiber Cement
- Roof: Shingle
Condition
- Under Construction
- New construction: Yes
- Year built: 2025
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Location
- Region: Old Greenwich
Financial & listing details
- Price per square foot: $1,113/sqft
- Tax assessed value: $563,500
- Annual tax amount: $6,726
- Date on market: 5/20/2025
- Inclusions: Call LB
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