$8,800,000
7 bd · 5.5 ba · 12,762 sqft · 16.78 acre lot
401 Sandy Valley Rd, Westwood, MA 02090
Single family · Built 1936 · $690/sqft ·
$52,320/mo est. payment
- Garage
- 6 cars
3D tourFlood factor 1/10
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
Facts and features
Bedrooms
- Bedrooms: 7
Other Rooms
- Total Rooms: 26
- Basement Features: Full, Partially Finished, Bulkhead
Bathrooms
- Total Bathrooms: 6.5
- Full Bathrooms: 5
- 1/2 Bathrooms: 3
- Primary Bathroom Features: Yes
Interior Features
- High speed internet
- Flooring: Tile, Hardwood, Stone / Slate
- Window Features: Insulated Windows
Appliances
- Water heater
Heating and Cooling
- Cooling Features: Central Air, Active Solar
- Heating Features: Central, Propane, Hydro Air, Active Solar
- Heating: Yes
- Number of Fireplaces: 7
Exterior and Lot Features
- Porch
- Deck
- Patio
- Balcony
- Pool - inground heated
- Cabana
- Rain gutters
- Barn/stable
Pool and Spa
- Pool Features: Pool - Inground Heated
- Pool Private: Yes
Schools
- 10
Westwood High School
high · 9-12 · 0.8 mi
- 8
E W Thurston Middle School
middle · 6-8 · 0.9 mi
Deerfield School
elementary · K-5 · 0.6 mi
Xaverian Brothers High School
middle · 7-12 · 1.0 mi
- 9
Pine Hill Elementary School
elementary · K-5 · 0.8 mi
Dedham Country Day School
elementary · K-8 · 1.4 mi
Price history
- Aug 15, 2026 · Listed For Rent$30,000
- May 7, 2026 · Price Changed$8,800,000
- Mar 13, 2026 · Price Changed$9,000,000
- Feb 13, 2026 · Price Changed$9,300,000
- Nov 21, 2025 · Listed$9,690,000
- Nov 18, 2025 · Listing Removed$10,900,000
- Mar 20, 2025 · Price Changed$10,900,000
- Mar 20, 2025 · Listing Removed$12,950,000
Tax history
- 2026$73,410 tax · $5,704,000 assessed
- 2023$50,240 tax · $3,513,300 assessed
- 2022$47,176 tax · $3,181,150 assessed
- 2021$47,682 tax · $3,226,100 assessed
- 2020$47,080 tax · $3,244,650 assessed
- 2019$41,466 tax · $2,830,450 assessed
- 2018$41,728 tax · $2,765,300 assessed
- 2017$40,457 tax · $2,776,700 assessed
Home value
$8,681,200
- Cotality$8,681,200
- Collateral Analytics$8,712,000
- Quantarium$6,551,751
Where it is
Listed by John Boyle · LANDVEST, INC. - Boston · MLSPIN
