Spectacular home in the heart of sought after Old Greenwich! Beautifully finished four bedroom 3.5 bath Colonial with open floor plan. First floor includes an eat in chef's kitchen with top of the line stainless steel appliances highlighted by a unique serving window, which flows seamlessly into the living room and dining area, French doors leading out to the expansive deck which overlooks a beautifully landscaped back yard. Primary suite with a luxurious ensuite bath, two additional bedrooms and another full bath complete the second floor. Finished lower level with a fourth bedroom, full bath and gym/playroom or guest area with walk out to yard. White oak hardwood floors throughout. Exterior showcases with white James Hardie siding, sleek black windows and clean architectural lines that create striking curb appeal! Minutes to schools, train, beaches, parks, library, shops, restaurants and I-95 for an easy commute/trip into NYC! Enjoy everything that Greenwich has to offer, including the lowest property taxes in the entire area! As per builder original foundation, and first floor joists and decking under the hardwood is original. Additional sq footage in finished lower level is approx. 682. Great investment opportunity!
Listed by Roberta Jurik
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Berkshire Hathaway NE Prop.
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(203) 561-6602
Listed by Hilary Phillips
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Berkshire Hathaway NE Prop.
Last updated January 23, 2026
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Source: SmartMLS #24145048
Listing Facts
TypeSingle-family
NeighborhoodOld Greenwich
Bedrooms4
Bathrooms4
Days on Prevu44
Taxes$10,770/year
Size1,576 sqft
Price per sqft$1,173
Location
Mortgage Calculator
Listing History
12/17/2025
Listed by Berkshire Hathaway NE Prop.
$1,849,000
Property Details for 18 Sound Beach Avenue
Exterior
Construction
New Construction: No/Resale
Roof: Shingle
Year Built: 2025
Year Built Details: Public Records
Architectural Style: Colonial
Construction Materials: Concrete
Features
Waterfront Features: Not Applicable
Measurements
Lot Features: Level Lot
Lot Size Acres: 0.19
Financial
Taxes
Parcel Number: 1856691
Tax Annual Amount: $10,770.00
Tax Year: 25
Interior
Features
Appliances: Gas Range, Microwave, Range Hood, Refrigerator, Dishwasher
Rooms
Basement: Full, Fully Finished, Full With Walk-Out
Bathrooms Full: 3
Bathrooms Half: 1
Bathrooms Total Integer: 4
Bedrooms Total: 4
Rooms Total: 10
Schools
Elementary School
Elementary School: Per Board Of Ed
High School
High School: Greenwich
Utilities
Equipment
Cooling: Central Air
Heating: Hot Air
Sewer: Public Sewer Connected
Water Source: Public Water Connected
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 4 bedrooms and 4 bathrooms in this single-family home at 18 Sound Beach Avenue.
What schools are nearby to 18 Sound Beach Avenue?
Nearby schools include the Per Board Of Ed Elementary School and Greenwich High School.
What are the annual taxes for 18 Sound Beach Avenue?
Annual taxes for this single-family home are estimated at $10,770.
How does 18 Sound Beach Avenue compare to other single-family homes in Old Greenwich?
This single-family home is listed 54% below the average price for single-family homes in Old Greenwich and has been on the market for 27 less days than the typical home in this area.
What is the square footage on this single-family home?
According to the MLS, this listing is 1,576 sqft.
18 Sound Beach Avenue is a 4-bedroom, 4-bath single-family home for sale in Greenwich CT 06870. On Prevu for 44 days at $1,849,000. This home features 1,576 square feet of living space, located in Old Greenwich. The median listing price for single-family homes in this area is $3,395,000. Nearby schools include Per Board Of Ed Elementary School and Greenwich High School. View other single-family home listings in Fairfield County.
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