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
For sale
Price cut: $390K (2/13)
$9,300,000
401 Sandy Valley Rd, Westwood, MA 02090
7beds
12,762sqft
Est.:
Single Family Residence
Built in 1936
16.78 Acres Lot
$-- Zestimate®
$729/sqft
$-- HOA
What's special
Fireplaced family roomStream-fed pondCharming two-bedroom cottageLong winding driveTwo officesExercise roomCovered patio
- 95 days |
- 3,820 |
- 107 |
Zillow last checked: 8 hours ago
Listing updated: February 17, 2026 at 12:09am
Listed by:
John Boyle 617-733-6723,
LandVest, Inc. 617-723-1800
Source: MLS PIN,MLS#: 73457104
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 7
- Bathrooms: 8
- Full bathrooms: 5
- 1/2 bathrooms: 3
Primary bathroom
- Features: Yes
Heating
- Central, Propane, Hydro Air, Active Solar
Cooling
- Central Air, Active Solar
Appliances
- Included: Water Heater
Features
- High Speed Internet
- Flooring: Tile, Hardwood, Stone / Slate
- Windows: Insulated Windows
- Basement: Full,Partially Finished,Bulkhead
- Number of fireplaces: 7
Interior area
- Total structure area: 12,762
- Total interior livable area: 12,762 sqft
- Finished area above ground: 12,012
- Finished area below ground: 750
Video & virtual tour
Property
Parking
- Total spaces: 26
- Parking features: Attached, Detached, Garage Door Opener, Heated Garage, Garage Faces Side, Off Street, Paved
- Attached garage spaces: 6
- Uncovered spaces: 20
Features
- Patio & porch: Porch, Deck, Patio
- 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
- Has private pool: Yes
- Pool features: Pool - Inground Heated
- Has view: Yes
- View description: Scenic View(s)
- Frontage length: 182.00
Lot
- Size: 16.78 Acres
Details
- Additional structures: Cabana, Barn/Stable, Greenhouse
- Parcel number: M:015 L:014 & L:027,300173
- Zoning: RE
- Horses can be raised: Yes
- Horse amenities: Paddocks
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence
Materials
- Frame, Brick
- Foundation: Concrete Perimeter
- Roof: Slate
Condition
- Year built: 1936
Utilities & green energy
- Electric: Net Meter, Other (See Remarks)
- Sewer: Public Sewer
- Water: Public
Green energy
- Energy generation: Solar
Community & HOA
Community
- Security: Security System
HOA
- Has HOA: No
Location
- Region: Westwood
Financial & listing details
- Price per square foot: $729/sqft
- Tax assessed value: $6,262,500
- Annual tax amount: $80,160
- Date on market: 11/21/2025
- Listing terms: Contract
- Road surface type: Paved
Estimated market value
Not available
Estimated sales range
Not available
$5,144/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 2/13/2026 | Price change | $9,300,000-4%$729/sqft |
Source: MLS PIN #73457104 Report a problem | ||
| 11/21/2025 | Listed for sale | $9,690,000-11.1%$759/sqft |
Source: MLS PIN #73457104 Report a problem | ||
| 11/18/2025 | Listing removed | $10,900,000$854/sqft |
Source: MLS PIN #73330261 Report a problem | ||
| 3/20/2025 | Price change | $10,900,000-8.4%$854/sqft |
Source: MLS PIN #73330261 Report a problem | ||
| 1/29/2025 | Listed for sale | $11,900,000-8.1%$932/sqft |
Source: MLS PIN #73330261 Report a problem | ||
| 11/27/2024 | Listing removed | $12,950,000$1,015/sqft |
Source: MLS PIN #73250023 Report a problem | ||
| 6/10/2024 | Listed for sale | $12,950,000-4.1%$1,015/sqft |
Source: MLS PIN #73250023 Report a problem | ||
| 6/3/2024 | Listing removed | $13,500,000$1,058/sqft |
Source: MLS PIN #73157511 Report a problem | ||
| 2/9/2024 | Listed for sale | $13,500,000$1,058/sqft |
Source: MLS PIN #73157511 Report a problem | ||
| 11/11/2023 | Listing removed | $13,500,000$1,058/sqft |
Source: MLS PIN #73157511 Report a problem | ||
| 9/9/2023 | Listed for sale | $13,500,000+2150%$1,058/sqft |
Source: MLS PIN #73157511 Report a problem | ||
| 12/18/2017 | Sold | $600,000-84.7%$47/sqft |
Source: Public Record Report a problem | ||
| 7/6/2016 | Sold | $3,925,000+35.3%$308/sqft |
Source: Public Record Report a problem | ||
| 7/30/2008 | Sold | $2,900,000+14.8%$227/sqft |
Source: Public Record Report a problem | ||
| 7/16/2003 | Sold | $2,526,624+68.4%$198/sqft |
Source: Public Record Report a problem | ||
| 3/19/2003 | Sold | $1,500,000$118/sqft |
Source: Public Record Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $57,057 | $4,454,100 |
| 2024 | $57,057 +13.6% | $4,454,100 +26.8% |
| 2023 | $50,240 +6.5% | $3,513,300 +10.4% |
| 2022 | $47,176 -1.1% | $3,181,150 -1.4% |
| 2021 | $47,682 +1.3% | $3,226,100 -0.6% |
| 2020 | $47,080 +13.5% | $3,244,650 +14.6% |
| 2019 | $41,466 -0.6% | $2,830,450 +2.4% |
| 2018 | $41,728 +3.1% | $2,765,300 -0.4% |
| 2017 | $40,457 -3.9% | $2,776,700 -3.3% |
| 2016 | $42,103 -1.1% | $2,871,950 +2.8% |
| 2015 | $42,565 +8.1% | $2,793,000 +9.3% |
| 2014 | $39,369 +3.5% | $2,556,400 +0.1% |
| 2013 | $38,037 +2.8% | $2,554,500 |
| 2012 | $36,989 -0.9% | $2,554,500 -5.3% |
| 2011 | $37,317 +5.1% | $2,698,250 -0.6% |
| 2010 | $35,496 -2.5% | $2,715,850 -10.4% |
| 2009 | $36,409 +19.7% | $3,031,550 +17.1% |
| 2008 | $30,405 +9.4% | $2,589,850 |
| 2007 | $27,789 | $2,589,850 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$54,141/mo
Principal & interest
$46236
Property taxes
$7905
Climate risks
Neighborhood: 02090
Nearby schools
GreatSchools rating
- NADeerfield SchoolGrades: K-5Distance: 0.6 mi
- 8/10E W Thurston Middle SchoolGrades: 6-8Distance: 0.9 mi
- 10/10Westwood High SchoolGrades: 9-12Distance: 0.8 mi
Schools provided by the listing agent
- Elementary: Pine Hill
- Middle: Thurston
- High: Westwood High
Source: MLS PIN. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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