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$1,725,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 1 Partial Bath
  • 1,690 Sq. Ft.
  • 1 Car Garage
  • Updated 2 hours ago

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Open House: 12:30 PM - 2:30 PM

Sunday 4/12 12:30 PM - 2:30 PM

21 Sound Beach Avenue,Old Greenwich, CT 06870

21 Sound Beach AvenueOld GreenwichCT06870

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The best of Coastal New England! This charming home set on .23 acre is close to village of Old Greenwich, Binney Park, Train and Tod's Point. Beautifully appointed and renovated with open floor plan and hardwood floors throughout. Spacious and bright family Room adjoins gourmet kitchen opening to large deck overlooking spacious backyard perfect for entertaining and play. First floor has dining room and formal living room anchored by wood burning fireplace & office space. 3 generously sized bedrooms on second floor with exercise and office options. New Central air throughout, new windows, new bathrooms with laundry on 1st floor and new roof. Fully unfurnished basement with extra laundry and walk up attic. 1 car attached garage. International School at Dundee and Eastern Middle School.

Full Property Details for 21 Sound Beach Ave

General

  • Price: $1,725,000
  • Taxes: $9,612
  • Status: Active
  • Type: Single Family
  • Source: Greenwich
  • MLS ID: 124659
  • Updated: Today (4/9/2026)
  • Added to Site: Today

Interior

  • Number of Fireplaces: 1

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 1
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 3

Additional Information

  • Security/Safety: Security System

Exterior

  • Porch/Patio/Deck: Deck

Parking

  • Garage: Yes
  • Garage Spaces: 1

Location

  • Area: 2 - Old Greenwich
  • County: Fairfield

School Information

  • Elementary School: Dundee
  • Middle School: Eastern

Heating & Cooling

  • Central air: Yes
  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Natural Gas, Hot Water
  • Heating Fuel: Gas
  • Water Heater: Gas

Utilities

  • Gas: Public Utility
  • Sewer: Town Sewer
  • Water: Public

Structural Information

  • Architectural Style: Cottage
  • Construction: Vinyl Siding
  • Basement Desc.: Full
  • Roof: Architectural Shingles
  • Windows: Double Pane Windows
  • Square Feet: 1,690
  • Sq. Ft. Source: Taxcard
  • Year Built: 1941
  • Remodeled/Updated: 2022

Lot Features

  • Lot Size (Acres): 0.23
  • Lot Size (Sq. Ft.): 10,018.8
  • Lot Features: Level
  • Zoning: R-7
  • Lot Description: Level

Financial Considerations

  • Price Per Sq. Ft.: $1,020.71
  • Tax Amount: $9,612

Disclosures and Reports

  • Exclusions: Call LB
  • Inclusions: Washer/Dryer, All Kitchen Applncs
  • Property ID: 05-1806/S

Listed by Sotheby's International Realty

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— 21 Sound Beach Ave —

  • Sotheby's International Realty

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with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Price & Sales History for 21 Sound Beach Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/09/2026
Listed
$1,725,000
80.25%
MLS
4/14/2020
Sold
$957,000
—
Public Record
Get Price Alerts and Save Property
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 for 21 Sound Beach Ave

Year
Property Taxes
Change
Tax Assessment
Change
2025
$9,612
4%
$777,770
—
2023
$9,283
3%
$777,770
—
2023
$9,050
1%
$777,770
—
2022
$8,968
6%
$777,770
11%
2021
$8,438
—
$700,840
—
2020
$8,424
-1%
$700,840
—
2019
$8,489
2%
$699,230
—
2018
$8,300
-1%
$699,230
—
2017
$8,404
2%
$699,230
—
2016
$8,271
6%
$699,230
6%
2015
$7,832
2%
$660,170
—
2014
$7,674
3%
$660,170
—
2013
$7,467
—
$660,170
—
2011
$7,467
—
$660,170
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Sotheby's International Realty

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21 Sound Beach Avenue, Old Greenwich, CT 06870 (MLS# 124659) is a Single Family property with 3 bedrooms, 1 full bathroom and 1 partial bathroom. 21 Sound Beach Avenue is currently listed for $1,725,000 and was received on April 09, 2026. Want to learn more about 21 Sound Beach Avenue? Do you have questions about finding other Single Family real estate for sale in Old Greenwich? You can browse all Old Greenwich real estate or contact a Coldwell Banker agent to request more information.

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