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For sale
  • $5,950,000

    833 Blackburn Rd, Sewickley, PA 15143

    7beds
    9,102sqft
    : 
    Single Family Residence
    Built in 1935
    10.37 Acres Lot
    $-- Zestimate®
    $654/sqft
    $-- HOA

    What's special

    Reflecting poolExquisite millworkResort-sized swimming poolModern luxuryPrivate resort-like settingExpansive stone terracesFormal gardens
    Set on 10 breathtaking acres in Sewickley Heights, this extraordinary 1935 estate is one of the area’s most iconic properties. Thoughtfully reimagined, it blends timeless architecture with refined interiors and modern luxury. Beautifully scaled rooms feature high ceilings, exquisite millwork, and abundant natural light. Formal living spaces include an elegant library and gracious living room with limestone fireplace. A custom kitchen centers on a La Cornue Château range and opens to a light-filled breakfast and gathering room. A dramatic Great Room with vaulted ceilings and exposed beams provides a spectacular venue for entertaining. Outside, expansive stone terraces, formal gardens, a reflecting pool, greenhouse, bocce court, and resort-sized swimming pool create a private, resort-like setting. A six-car garage completes this exceptional property.
    154 days
    |
    5,147
    |
    174
    |

    Zillow last checked: 7 hours ago

    Listing updated: November 21, 2025 at 01:54pm

    Listed by:

    Kathleen Barge 412-471-4900,

    PIATT SOTHEBY'S INTERNATIONAL REALTY 412-471-4900

    Source: WPMLS,MLS#: 1725399MLS LogoOriginating MLS: West Penn Multi-List

    Tour with a local agent

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 7
      • Bathrooms: 11
      • Full bathrooms: 8
      • 1/2 bathrooms: 3
      Heating
      • Gas
      Cooling
      • Central Air
      Features
      • Flooring: Hardwood, Tile
      • Basement: Walk-Out Access
      • Number of fireplaces: 9
      Interior area
      • Total structure area: 9,102
      • Total interior livable area: 9,102 sqft

      Property

      Parking
      • Total spaces: 6
      • Parking features: Detached, Garage
      • Has garage: Yes
      Features
      • Levels: Three Or More
      • Stories: 3
      • Pool features: Pool
      Lot
      • Size: 10.37 Acres
      • Dimensions: 10.37 acres
      Details
      • Parcel number: 0508D00279000000

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Three Story
      • Property subtype: Single Family Residence
      Materials
      • Shingle Siding
      Condition
      • Resale
      • Year built: 1935

      Utilities & green energy

      • Sewer: Septic Tank
      • Water: Public

      Community & HOA

      Location
      • Region: Sewickley

      Financial & listing details

      • Price per square foot: $654/sqft
      • Tax assessed value: $1,632,800
      • Annual tax amount: $53,557
      • Date on market: 10/16/2025
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        Estimated market value

        Not available

        Estimated sales range

        Not available

        $3,147/mo

        Price history

        Price history
        DateEventPrice
        10/16/2025Listed for sale$5,950,000-37.4%$654/sqft
        Source: WPMLS #1725399 Report a problem
        1/14/2021Listing removed--
        Source: WPMLS Report a problem
        6/15/2020Listed for sale$9,500,000$1,044/sqft
        Source: PIATT SOTHEBY'S INTERNATIONAL REALTY #1451300 Report a problem

        Public tax history

        Public tax history
        YearProperty taxesTax assessment
        2025$53,349 +7.1%$1,614,800
        2024$49,829 +552.4%$1,614,800
        2023$7,638 $1,614,800
        2022$7,638 $1,614,800
        2021$7,638 +2%$1,614,800
        2020$7,485 -2%$1,614,800
        2019$7,638 -83.5%$1,614,800
        2018$46,232 +4.2%$1,614,800
        2017$44,359 +480.8%$1,614,800
        2016$7,638 -81.7%$1,614,800
        2015$41,791 $1,614,800
        2014-- $1,614,800 -0.2%
        2013-- $1,617,800 +20.2%
        2012-- $1,346,300
        2011-- $1,346,300 +0.1%
        2010-- $1,345,000
        2009-- $1,345,000
        2008-- $1,345,000
        2007-- $1,345,000
        2006-- $1,345,000
        2005-- $1,345,000
        2004-- $1,345,000 -1.1%
        2003-- $1,360,000
        2002-- $1,360,000

        Find assessor info on the county website

        BuyAbility℠ payment

        Est. payment
        $37,357/mo
        Principal & interest
        $29622
        Property taxes
        $7735
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          Climate risks

          Neighborhood: Sewickley Heights

          Getting around

          6 / 100
          Car-Dependent
          2 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • District: Quaker Valley

          Source: WPMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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