863 Boston Post Road · Weston

FOR SALE · MLS #73587759

$3,495,000

beds
6
baths
6
sqft
6,485

863 Boston Post Road

Weston, MA 02493

LOCATION

Property location

Directions

Loading map…

863 Boston Post Road, Weston, MA 02493Open Street View

Route 20, corner of Plain Road.

Home type
Single Family Residence
Interior living area
6,485 sqft
Year built
1827
Lot size
117,499 sqft (about 2.70 acres)
Parking spaces
12
Price per sqft
$539/sqft

About this home

Privately set on 2.7 acre, this distinguished 16-room landmark residence embodies the timeless elegance and gracious scale of a classic New England estate, thoughtfully enhanced for modern living. A stately entry welcomes you to beautifully preserved architectural details, including dramatic ceilings and windows, exquisite millwork and hardwood floors throughout. Designed equally for grand entertaining and intimate gatherings, the formal living room is anchored by a handsome fireplace, while the richly appointed library, with its own fireplace and built-in bookcases, offers a warm and inviting retreat. A comfortable family room provides a relaxed setting for everyday living. At the heart of the home, the exceptional chef’s kitchen features a generous dining area and beautifully appointed butler’s pantry with direct service to the expansive formal dining room, where a fireplace creates an elegant backdrop for memorable occasions. A first-floor guest bedroom or dedicated home office provides exceptional flexibility. The second floor offers a private bedroom level with a spacious primary with full bath, three additional bedrooms and two more full baths. A separate staircase leads to a private accessory apartment with its own kitchen, sitting room, two bedrooms and full bath—ideal for extended family, guests or staff. Expansive covered porches overlook the heated pool and broad open lawns, creating a beautiful setting for summer entertaining and relaxed outdoor living. Rarely does a property combine such gracious proportions, historic character, versatility and convenience. The 2.7 acres include an approximately 1-acre buildable lot currently going through the town of Weston Flexible Development zoning and subdivision process. Ask listing agent for details.

Listed by Denise Mosher · Coldwell Banker Realty - Weston
MLS PIN #73587759 · Updated 10/11/2026, 3:09:00 AM ET

Facts & features

Home overview
Property subtype
Single Family Residence
Property category
Residential
MLS status
Active
Bedrooms
6
Full bathrooms
6
Half bathrooms
0
Total bathrooms
6
Total rooms
16
Living area
6,485 sqft
Living area source
Measured
Above grade finished area
6,485 sqft
Building area
6,485
Building area units
Square Feet
Building area source
Measured
Area includes basement
No
Area disclosures
First: 2525 Second: 2280 Third: 1020 Above Garage: 660
Interior & systems
Heating
Steam · Natural Gas
Heating available
Yes
Heating zones
4
Cooling
None
Cooling available
No
Appliances
Gas Water Heater · Range · Dishwasher · Refrigerator · Wine Refrigerator · Range Hood
Flooring
Tile · Carpet · Laminate · Hardwood · Flooring - Hardwood · Flooring - Wall to Wall Carpet
Interior features
Bathroom - With Shower Stall · Closet/Cabinets - Custom Built · Lighting - Pendant · Crown Molding · Closet · Bathroom - Full · Office · Bedroom · Kitchen
Laundry
Main Level · First Floor · Washer Hookup
Basement
Full · Partially Finished · Concrete
Fireplace
Yes
Fireplaces
6
Fireplace features
Dining Room · Family Room · Living Room · Bedroom
Electrical service
Circuit Breakers · 200+ Amp Service
Accessibility
No
Windows
Window(s) - Bay/Bow/Box
Primary bathroom features
Yes
Room details

Primary bedroom

Level
Second
Area
306 sqft
Length
17 ft
Width
18 ft
Features
Bathroom - Full · Closet · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Dressing Room · Lighting - Overhead

Bedroom 2

Level
Second
Area
240 sqft
Length
16 ft
Width
15 ft
Features
Bathroom - Full · Closet · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Crown Molding

Bedroom 3

Level
Second
Area
169 sqft
Length
13 ft
Width
13 ft
Features
Fireplace · Closet · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Lighting - Overhead · Crown Molding

Bedroom 4

Level
Second
Area
238 sqft
Length
17 ft
Width
14 ft
Features
Fireplace · Closet · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Lighting - Overhead

Bedroom 5

Level
Second
Area
378 sqft
Length
21 ft
Width
18 ft
Features
Closet · Flooring - Hardwood · Lighting - Overhead

Living room

Level
Main,First
Area
324 sqft
Length
18 ft
Width
18 ft
Features
Closet/Cabinets - Custom Built · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Chair Rail · Wainscoting · Lighting - Pendant · Crown Molding · Decorative Molding

Dining room

Level
Main,First
Area
280 sqft
Length
20 ft
Width
14 ft
Features
Flooring - Hardwood · Window(s) - Bay/Bow/Box · Exterior Access · Recessed Lighting · Wainscoting · Lighting - Pendant · Crown Molding

Family room

Level
Main,First
Area
252 sqft
Length
18 ft
Width
14 ft
Features
Walk-In Closet(s) · Closet/Cabinets - Custom Built · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Cable Hookup · Crown Molding

Kitchen

Level
Main,First
Area
336 sqft
Length
21 ft
Width
16 ft
Features
Flooring - Hardwood · Window(s) - Bay/Bow/Box · Dining Area · Countertops - Stone/Granite/Solid · Kitchen Island · Cabinets - Upgraded · Country Kitchen · Exterior Access · Recessed Lighting · Remodeled · Stainless Steel Appliances · Wine Chiller · Lighting - Pendant

Office

Level
Main
Area
342 sqft
Length
18 ft
Width
19 ft
Features
Bathroom - With Shower Stall · Closet/Cabinets - Custom Built · Flooring - Hardwood · Window(s) - Bay/Bow/Box · Lighting - Pendant · Crown Molding

Bathroom 1

Level
First
Features
Bathroom - Full · Bathroom - Tiled With Tub & Shower

Bathroom 2

Level
Second
Features
Bathroom - Full · Bathroom - Tiled With Tub & Shower

Bathroom 3

Level
Second
Features
Bathroom - Full · Bathroom - With Tub

Price & tax details

Current asking price$3,495,000
Original asking price$3,495,000
Listed on2026-10-07
Days on market4
Tax record supplied by MLS
YearProperty taxAssessed value
2026$21,058$1,935,500

These records are supplied by the current listing. Assessed value is not market value; confirm taxes with the local assessor.

Mortgage calculator

Estimate principal and interest using the asking price and your loan assumptions.

Enter an interest rate to calculate. Down payment and term are editable.

Results include principal and interest, plus property tax and HOA when MLS lists them; home and mortgage insurance and utilities are excluded. Tax uses the amount in this listing; a buyer’s actual tax may differ with reassessment or residential exemptions. The rate is your assumption, not a current market quote or loan offer.

SCHOOLS & EDUCATION

Schools & performance

2026 MA DESE

School names, grades and state-reported measures are listed below.

Schools named in the listing

—DESE percentile

MLS-listed elementary

Weston

School name supplied by the listing; confirm with the district.

—DESE percentile

MLS-listed middle

Weston Ms

School name supplied by the listing; confirm with the district.

—DESE percentile

MLS-listed high school

Weston Hs

School name supplied by the listing; confirm with the district.

MLS school names do not guarantee attendance. Assignment can vary by school year, grade and admissions policy; confirm with the district before committing.
What do these numbers mean?

DESE accountability percentiles (1–99) compare schools administering similar assessments, using up to two years of indicators. These are not test scores out of 100 or GreatSchools 1–10 ratings. Progress toward targets is a separate state measure. Consider programs, support services and your child’s needs as well.

School names link to available school or district websites.

Information is deemed reliable but is not guaranteed. © 2026 MLS Property Information Network, Inc. All rights reserved.

Listings updated