401 Sandy Valley Rd, Westwood MA 02090
Westwood, MA 02090
$9,690,000
$8,800,000
Est. $52,288/month
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About this home
Set at the end of a long winding drive, this remarkable 16+ acre estate abuts more than 100 acres of conservation land, creating a rare sense of privacy and natural beauty. Suited for formal entertaining, intimate gatherings, and gracious family living, it includes a welcoming main entrance hall, a wonderful living room with an attached library, a spacious formal dining room with adjoining butler’s pantry, and a stunning chef’s kitchen that overlooks a fireplaced family room and a covered patio. There are 7 bedrooms highlighted by a stunning primary suite, as well as two offices, a playroom, an exercise room, and an attached, heated three-car garage. Outdoor amenities include a heated pool with a well-appointed pool house, a sport court, a stream-fed pond, and a barn-garage with a greenhouse and two horse stalls, along with a charming two-bedroom cottage. This exceptional property offers access to excellent public and private schools, Legacy Place, the train, and Boston via Rte. 95/128
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Recently Sold Nearby
Property History
Market Insights
3
Price Changes
9.2%
Price Range
Property Timeline
Price Reduced
May 7, 2026
$8,800,000
$200,000
(-2.22%)
From $9,000,000 to $8,800,000 (-2.2%)
Price Reduced
Mar 13, 2026
$9,000,000
$300,000
(-3.23%)
From $9,300,000 to $9,000,000 (-3.2%)
Price Reduced
Feb 13, 2026
$9,300,000
$390,000
(-4.02%)
From $9,690,000 to $9,300,000 (-4.0%)
Listed for Sale
Nov 21, 2025
$9,690,000
Original listing
Agent: John Boyle
Office: LandVest, Inc.
| Date | Event | Price | Change | $/sqft | Details |
|---|---|---|---|---|---|
| 05/07/2026 | ↓ Price Reduced | $8,800,000 | $200,000 | - | From $9,000,000 to $8,800,000 (-2.2%) |
| 03/13/2026 | ↓ Price Reduced | $9,000,000 | $300,000 | - | From $9,300,000 to $9,000,000 (-3.2%) |
| 02/13/2026 | ↓ Price Reduced | $9,300,000 | $390,000 | - | From $9,690,000 to $9,300,000 (-4.0%) |
| 11/21/2025 | 🏠 Listed for Sale | $9,690,000 | - | - | Original listing |
Tax History
| Year | Taxes | Assessment |
|---|---|---|
| 2026 | $91,088 | $7,077,600 |
Financial Details
Annual Property Tax
$91,088
Tax Year 2026
Assessed Value
$7,077,600
Facts & Features
6 Car Garage
Central AC
Home Facts
Type
Residential
Style
Single Family Residence
Year Built
1936
Living Area
12,762 sq ft
Lot Size
16.78 acres
Bedrooms
7
Full Baths
5
Half Baths
3
Total Rooms
26
Interior
Heating
Central, Propane, Hydro Air, Active Solar
Cooling
Central Air, Active Solar
Flooring
Tile, Hardwood, Stone / Slate
Appliances
Water Heater
Fireplace
None
Fireplaces
7
Basement
Full, Partially Finished, Bulkhead
Laundry
None
Features
High Speed Internet
Exterior
Construction
Frame, Brick
Architecture
Colonial
Roof
Slate
Features
Porch, Deck, Patio, Balcony, Pool - Inground Heated, Cabana, Rain Gutters, Barn/stable, Paddock, Greenhouse, Professional Landscaping, Sprinkler System, Decorative Lighting, Fruit Trees, Garden, Horses Permitted
Pool
Pool - Inground Heated
Spa
None
Fencing
None
Patio/Porch
Porch, Deck, Patio
Parking
Garage Spaces
6
Has Garage
Yes
Features
Attached, Detached, Garage Door Opener, Heated Garage, Garage Faces Side, Off Street, Paved
Total Spaces
26
Utilities
Electric
Net Meter, Other (see Remarks)
Water
Public
Sewer
Public Sewer
Gas
None
Other
None
Financial
Annual Tax
$91,088
Assessed Value
$7,077,600
HOA & Community
Fee Includes
None
Amenities
None
Optional Fee Includes
None
MA Disclosures
Lead Paint
Unknown
Seller Disclosures
600 Amp Electric Service;
Additional Details
Possession
None
Accepted Financing
Contract
Structure Type
[]
Sq Ft Source
Measured
Sq Ft Disclosures
Living area excludes: 2 br cottage and pool house
Documents
None
County
Norfolk
Total market time (incl. prior listings)
266 days
Property Overview
Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1936
Bedrooms
7
Full Bathrooms
5
Half Bathrooms
3
Living Area
12,762 sq ft
Total Rooms
26
Floor Layout
Interactive room guide
Floor Layout
Finished Area
12,012 sq ft above grade
750 sq ft below grade
FeaturesYes
Display Options
Outdoor Areas
PoolPool - Inground Heated
Patio & porchPorch, Deck, Patio
Room Markers
BABathroom (4)
BRBedroom (5)
DDining (1)
KKitchen (1)
LLiving (2)
OOffice (1)
Conceptual diagram based on MLS room data. It is not to scale and is not a substitute for architectural plans or on-site measurements.
Interior Features
Flooring:
Tile, Hardwood, Stone / Slate
Appliances:
Water Heater
Interior Features:
High Speed Internet
Windows:
Insulated Windows
Basement:
Full, Partially Finished, Bulkhead
Laundry:
Security:
Security System
Construction & Materials
Style:
Colonial
Year Built:
1936
Structure Type:
Exterior Materials:
Frame, Brick
Roof:
Slate
Foundation:
Concrete Perimeter
Heating, Cooling & Utilities
Heating:
Central, Propane, Hydro Air, Active Solar
Heating Zones:
10
Cooling:
Central Air, Active Solar
Cooling Zones:
10
Hot Water:
Water Source:
Public
Sewer:
Public Sewer
Energy Features:
Exterior & Lot
Exterior Features:
Porch, Deck, Patio, Balcony, Pool - Inground Heated, Cabana, Rain Gutters, Barn/Stable, Paddock, Greenhouse, Professional Landscaping, Sprinkler System, Decorative Lighting, Fruit Trees, Garden, Horses Permitted
Patio & Porch:
Porch, Deck, Patio
Fencing:
Other Structures:
Cabana, Barn/Stable, Greenhouse
Lot Features:
Road Frontage:
182.00 ft
Road Surface:
Paved
Parking & Garage
Garage Spaces:
6
Garage Type:
Attached
Total Parking Spaces:
26
Parking Features:
Attached, Detached, Garage Door Opener, Heated Garage, Garage Faces Side, Off Street, Paved
Special Features
Fireplaces:
7
Fireplace Type:
Pool:
Private Pool
Pool Features:
Pool - Inground Heated
View:
Yes
View Type:
Scenic View(s)
Community Amenities:
Nearby Schools
School District
Westwood School District local
A+
Where Graduates Go
Class of 2021
84%
attend college
82%
4-Year
2%
2-Year
47%
Out of State
6%
Working
School Safety
2024-25
0.4%
Low
0.4%
Suspensions
0.7%
In-School
5.1% below state avg
Elementary Schools
3 schools
A
Pine Hill Elementary School
0.7 mi
|
#155 of 824
|
Score: 56.9
Dropped 78 spots from last year
-1.3 below state avg
473 students
Diverse
Strong Attendance
Grades PK-05
Westwood Integrated Preschool
0.8 mi
44 students
Diverse
Grades PK
Dedham Country Day School
1.4 mi
Grades PK-08
Middle Schools
2 schools
A+
E.W. Thurston Middle School
0.9 mi
|
#28 of 352
|
Score: 60.5
Dropped 4 spots from last year
+2.3 above state avg
664 students
Moderate
Strong Attendance
Grades 06-08
A-
Dedham Middle School
2.5 mi
|
#106 of 352
|
Score: 49.0
Improved 23 spots from last year
-9.2 below state avg
555 students
Diverse
Rising School
Grades 06-08
High Schools
3 schools
A+
Westwood High School
0.8 mi
|
#14 of 346
|
Score: 74.6
Improved 24 spots from last year
+16.4 above state avg
837 students
Moderate
20 sports
• 2,114 athletes
Strong AP Program
High Graduation Rate
Rising School
College Ready Curriculum
Grades 09-12
Xaverian Brothers High School
1.0 mi
16 sports
• 3,034 athletes
Strong Athletics
Grades 09-12
Ursuline Academy
1.8 mi
15 sports
• 1,084 athletes
Strong Athletics
Grades 07-12
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Loan Amount
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After down payment
Total Interest
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Over life of loan
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Including down payment
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Down: $0
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Monthly Payment Breakdown
Principal & Interest
$0
Property Tax
$7,591
Homeowners Insurance
$200
PMI (if <20% down)
$0
Loan Summary
Total of 360 payments
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$0
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Rate Impact
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Payment Over Time
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.
Location
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Neighborhood
401 Sandy Valley Rd, Westwood MA 02090
Westwood, MA 02090
Listing Information
Listing Agent
John Boyle
Listing Office
LandVest, Inc.
Office Phone
617-723-1800
Agent MLS ID
BB902299
Office MLS ID
C03800
Listing Data Updated
Aug 14, 2026 6:07 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.
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