Skip main navigation
For sale
    • Price cut: $300K (3/13)
    $9,000,000

    401 Sandy Valley Rd, Westwood, MA 02090

    7beds
    12,762sqft
    : 
    Single Family Residence
    Built in 1936
    16.78 Acres Lot
    $-- Zestimate®
    $705/sqft
    $-- HOA

    What's special

    Fireplaced family roomStream-fed pondCharming two-bedroom cottageLong winding driveTwo officesExercise roomCovered patio
    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
    131 days
    |
    3,203
    |
    93
    |

    Zillow last checked: 7 hours ago

    Listing updated: March 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: $705/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
      Get pre-qualifiedBe ready to make an offer.
      Connect with an agentGet info on this home, tour, and more.
      Calculate monthly paymentSee if you can afford this home.

        Estimated market value

        Not available

        Estimated sales range

        Not available

        $5,565/mo

        Price history

        Price history
        DateEventPrice
        3/13/2026Price change$9,000,000-3.2%$705/sqft
        Source: MLS PIN #73457104 Report a problem
        2/13/2026Price change$9,300,000-4%$729/sqft
        Source: MLS PIN #73457104 Report a problem
        11/21/2025Listed for sale$9,690,000-11.1%$759/sqft
        Source: MLS PIN #73457104 Report a problem
        11/18/2025Listing removed$10,900,000$854/sqft
        Source: MLS PIN #73330261 Report a problem
        3/20/2025Price change$10,900,000-8.4%$854/sqft
        Source: MLS PIN #73330261 Report a problem
        1/29/2025Listed for sale$11,900,000-8.1%$932/sqft
        Source: MLS PIN #73330261 Report a problem
        11/27/2024Listing removed$12,950,000$1,015/sqft
        Source: MLS PIN #73250023 Report a problem
        6/10/2024Listed for sale$12,950,000-4.1%$1,015/sqft
        Source: MLS PIN #73250023 Report a problem
        6/3/2024Listing removed$13,500,000$1,058/sqft
        Source: MLS PIN #73157511 Report a problem
        2/9/2024Listed for sale$13,500,000$1,058/sqft
        Source: MLS PIN #73157511 Report a problem
        11/11/2023Listing removed$13,500,000$1,058/sqft
        Source: MLS PIN #73157511 Report a problem
        9/9/2023Listed for sale$13,500,000+2150%$1,058/sqft
        Source: MLS PIN #73157511 Report a problem
        12/18/2017Sold$600,000-84.7%$47/sqft
        Source: Public Record Report a problem
        7/6/2016Sold$3,925,000+35.3%$308/sqft
        Source: Public Record Report a problem
        7/30/2008Sold$2,900,000+14.8%$227/sqft
        Source: Public Record Report a problem
        7/16/2003Sold$2,526,624+68.4%$198/sqft
        Source: Public Record Report a problem
        3/19/2003Sold$1,500,000$118/sqft
        Source: Public Record Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax 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
        $54,148/mo
        Principal & interest
        $46498
        Property taxes
        $7650
        More affordability tools

          Climate risks

          Neighborhood: 02090

          Getting around

          5 / 100
          Car-Dependent
          27 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating
          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.

          Skip to the end of the carouselSkip to the beginning of the carousel

          Local experts in 02090

          Similar homes

          Skip to the end of the carouselSkip to the beginning of the carousel

            Nearby cities

            Nearby zip codes

            Other Westwood Topics