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$4,585,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 5 Full Baths
  • 2 Partial Baths
  • 8,000 Sq. Ft.
  • 1.38 Acres
  • 3 Car Garage
  • Updated 1 day ago
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Introducing an elegant shingle and stone residence prominently situated in the prestigious Weston Estates neighborhood. This custom home is masterfully constructed with fine attention to detail by an acclaimed builder. A striking stone fireplace graces the family room and complements the open concept design. The classic floor plan features a grand two story foyer, charming sun room and fabulous finished lower level. The 6th bedroom suite located on the 3rd floor can be used as an in-home office or as a special getaway for guests. The exceptional grounds are architecturally enhanced with a decorative gazebo with a built-in kitchen. The exquisite backyard has a sprawling stone patio adorned with beautiful perennial gardens and manicured grounds. This unique home has all the desired amenities and gravitas for the most discerning buyer.

Full Property Details for 21 Westerly

General

  • Price: $4,585,000
  • Taxes: $40,583 (2026)
  • Status: Active
  • Type: Single Family
  • MLS ID: 73575514
  • Updated: 9/14/2026
  • Added to Site: 5 day(s) ago

Rooms

Bathrooms

  • Total Bathrooms: 7
  • Full Bathrooms: 5
  • Half Bathrooms: 2
  • Bathroom 1: 9.00 x 5.00, First
  • Bathroom 2: 8.00 x 6.00, First
  • Bathroom 3: Second

Bedrooms

  • Total Bedrooms: 6
  • Primary Bedroom: 16.00 x 24.00, Second
  • Bedroom 2: 15.00 x 17.00, Second
  • Bedroom 3: 13.00 x 14.00, Second
  • Bedroom 4: 13.00 x 14.00, Second

Other Rooms

  • Living Room: 19.00 x 16.00, First
  • Family Room: 18.00 x 21.00, First
  • Kitchen: 16.00 x 17.00, First
  • Dining Room: 16.00 x 16.00, First

Parking

  • Garage: Yes
  • Garage Spaces: 3
  • Parking Features: Attached, Garage Door Opener, Garage Faces Side, Paved Drive, Paved

Location

  • County: Middlesex

Structural Information

  • Architectural Style: Colonial
  • Basement: Yes
  • Square Feet: 8,000
  • Year Built: 2006

Lot Features

  • Lot Size (Acres): 1.38

Financial Considerations

  • Tax Amount: $40,583
  • Tax Year: 2026

Disclosures and Reports

  • Property ID: 868151

Listed by Gibson Sotheby's International Realty, Mizner + Montero and Amy Mizner

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Listing agents

— 21 Westerly —

  • Mizner + Montero

    Gibson Sotheby's International Realty

  • Amy Mizner

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 21 Westerly

School District:Weston School District
NameGradesDistance
Woodland Elementary School, Weston, MA
10 Alphabet Lane, Weston, MA 02493
PK-31.5 mi
Field Elementary School
16 Alphabet Lane, Weston, MA 02493
4-51.7 mi
Country Elementary School
2 Alphabet Lane, Weston, MA 02493
PK-31.8 mi
Weston Middle School
456 Wellesley Street, Weston, MA 02493
6-81.8 mi
Weston High School
444 Wellesley Street, Weston, MA 02493
9-121.6 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 21 Westerly Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/10/2026
Listed
$4,585,000
56.75%
MLS
9/10/2008
Sold
$2,925,000
—
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 Westerly

Year
Property Taxes
Change
Tax Assessment
Change
2025
$40,467
2%
$3,645,700
2%
2024
$39,607
1%
$3,561,800
7%
2023
$39,335
4%
$3,322,200
12%
2022
$37,838
4%
$2,953,800
5%
2021
$36,480
6%
$2,810,500
5%
2020
$34,493
2%
$2,688,500
—
2019
$33,936
—
$2,695,500
-1%
2018
$33,955
—
$2,714,200
-1%
2017
$33,884
3%
$2,732,600
1%
2016
$33,022
2%
$2,715,600
3%
2015
$32,365
-3%
$2,635,600
—
2014
$33,530
—
$2,633,900
—
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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NMLS#: 1598647

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Listed by Gibson Sotheby's International Realty, Mizner + Montero and Amy Mizner

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21 Westerly, Weston, MA 02493 (MLS# 73575514) is a Single Family property with 6 bedrooms, 5 full bathrooms and 2 partial bathrooms. 21 Westerly is currently listed for $4,585,000 and was received on September 10, 2026. Want to learn more about 21 Westerly? Do you have questions about finding other Single Family real estate for sale in Weston? You can browse all Weston real estate or contact a Coldwell Banker agent to request more information.

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