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18 Sound Beach AvenueGreenwich, CT 06870

For Sale

$1,849,000

Smart Buyer Rebate $18,490

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

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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.

The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. Copyright 2026 SmartMLS, Inc.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.