Single Family Residence at 21 Westerly, Weston
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$4,585,000

21 Westerly
Weston, MA 02493
Listed by Mizner + Montero
Bedrooms
6
Bathrooms
6
Living area
8,000 sqft
Year built
2006

About this home

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.

Highlights

Fireplace

Property details

MLS
MLS Property Information Network
MLS #
73575514
Property type
Single Family Residence
Subdivision
Weson Estates
Status
Active
Days on market
55
On market date
September 10, 2026
Stories
N/A
Total bathrooms
6
Garage spaces
3
Parking spaces
16
Lot size
1.38 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
Claypit Hill School
1.49 mi away · Grades 0-5
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
516
Student:teacher ratio
12.3:1
District
Wayland
Middle
Weston Middle
1.75 mi away · Grades 6-8
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
452
Student:teacher ratio
10.3:1
District
Weston
High
Weston High
1.63 mi away · Grades 9-12
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
638
Student:teacher ratio
11.4:1
District
Weston

Walkability

Blended score for Weston's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

24
Car-dependent
out of 100
EPA National Walkability Index
6.7 / 20 -- Below average walkable
Google Places amenity density
10 / 100
Restaurants & cafes0
Grocery stores0
Parks1
Schools1
Transit stops0
Pharmacies0

Market position

How this listing compares to current activity in Weston, from live MLS data.

On the market 55 days -- 64 fewer days than Weston's current average of 119 days.
For reference, the median list price across 95 active listings in Weston right now is $2,850,000.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

Adjust tax / insurance estimates
Est. monthly payment
$27,761/mo
$917,000 down
$3,668,000 loan
Principal & interest$23,791
Property tax (est.)$3,821
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network. Last updated September 14, 2026.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.