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Sold for $10,500,000
  • $10,500,000

    391 Sea View Avenue, Osterville, MA 02655

    6beds
    6,830sqft
    Single Family Residence
    Built in 2020
    1.23 Acres Lot
    $10,460,400 Zestimate®
    $1,537/sqft
    $7,804 Estimated rent

    Home value

    $10,460,400

    $9.52M - $11.51M

    $7,804/mo

    Zestimate® history
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    $61,418/mo

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    $61,418/mo

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    What's special

    Overlooking the shimmering waters of Nantucket Sound, this extraordinary Wianno estate offers an unparalleled blend of elegance, privacy, and coastal charm. With its own private sandy beach and panoramic ocean views, this is a rare opportunity to own a legacy property, along Sea View Avenue, in one of Cape Cod's most coveted enclaves. Surrounded by lush, professionally landscaped gardens, the residence is a contemporary interpretation of classic shingle-style architecture, thoughtfully designed by the acclaimed firm PSD. The home's open floor plan seamlessly integrates refined formal spaces with relaxed gathering areas--perfect for both sophisticated entertaining and fun family events. Inside, bespoke millwork, soaring ceilings, and dramatic architectural details define the living spaces, while expansive walls of glass frame breathtaking vistas of sky and sea. Each room is a celebration of light, luxury, and craftsmanship! A charming two bedroom two bathroom guest house, with its own deck and water views, provides the perfect retreat for visiting friends or family.This is a fabulous opportunity to own a gracious Osterville estate and turn dreams into reality!

    Zillow last checked: 7 hours ago

    Listing updated: December 16, 2025 at 11:03am

    Listed by:

    Gene Orloff 508-364-2907,

    Sotheby's International Realty

    Bought with:

    Paul E Grover, 125463

    Berkshire Hathaway HomeServices Robert Paul Properties

    Source: CCIMLS,MLS#: 22503232MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 7
    • Full bathrooms: 4
    • 1/2 bathrooms: 3
    • Main level bathrooms: 2
    Primary bedroom
    • Description: Flooring: Wood
    • Features: Walk-In Closet(s), View, Office/Sitting Area, Dressing Room, Closet, Cathedral Ceiling(s), Built-in Features
    • Level: Second
    Bedroom 2
    • Features: Private Full Bath, Walk-In Closet(s), Closet
    Primary bathroom
    • Features: Private Full Bath
    Dining room
    • Description: Flooring: Wood,Door(s): French
    • Features: View, Dining Room, Built-in Features
    • Level: First
    Kitchen
    • Description: Countertop(s): Granite,Flooring: Wood,Door(s): French
    • Features: Kitchen, View, Breakfast Nook, Cathedral Ceiling(s), Kitchen Island, Private Full Bath
    • Level: First
    Living room
    • Description: Flooring: Wood,Door(s): French
    • Features: Recessed Lighting, Living Room, View, Wet Bar, Built-in Features
    Heating
    • Other
    Cooling
    • Central Air
    Appliances
    • Included: Dishwasher, Wine Cooler, Washer, Range Hood, Security System, Refrigerator, Gas Range, Freezer, Gas Dryer, Gas Water Heater
    Features
    • Linen Closet, Wet Bar, Sound System, Recessed Lighting, Pantry
    • Flooring: Hardwood, Tile
    • Doors: French Doors
    • Windows: Bay/Bow Windows
    • Basement: Partial,Crawl Space
    • Number of fireplaces: 3
    Interior area
    • Total structure area: 6,830
    • Total interior livable area: 6,830 sqft

    Property

    Parking
    • Total spaces: 6
    • Parking features: Guest
    • Attached garage spaces: 4
    • Has uncovered spaces: Yes
    Features
    • Stories: 2
    • Patio & porch: Patio, Screened Porch
    • Exterior features: Garden
    • Has view: Yes
    • Has water view: Yes
    • Water view: Ocean
    • Waterfront features: Marsh
    • Body of water: Nantucket Sound
    Lot
    • Size: 1.23 Acres
    • Features: Conservation Area, School, Medical Facility, Major Highway, House of Worship, Near Golf Course, Shopping, Marina, South of Route 28
    Details
    • Parcel number: 138031
    • Zoning: RF-1
    • Special conditions: None

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Contemporary, Shingle
    • Property subtype: Single Family Residence
    Materials
    • Shingle Siding
    • Foundation: Poured
    • Roof: Pitched, Shingle, Wood
    Condition
    • Approximate
    • New construction: No
    • Year built: 2020

    Utilities & green energy

    • Sewer: Septic Tank

    Community & neighborhood

    Location
    • Region: Osterville

    Other

    Other facts
    • Listing terms: Cash
    • Road surface type: Paved

    Price history

    DateEventPrice
    12/16/2025Sold$10,500,000-22.2%$1,537/sqft
    Source: CCIMLS #22503232 Report a problem
    11/13/2025Pending sale$13,500,000$1,977/sqft
    Source: CCIMLS #22503232 Report a problem
    10/23/2025Listed for sale$13,500,000$1,977/sqft
    Source: CCIMLS #22503232 Report a problem
    9/26/2025Pending sale$13,500,000$1,977/sqft
    Source: CCIMLS #22503232 Report a problem
    9/15/2025Price change$13,500,000-10%$1,977/sqft
    Source: CCIMLS #22503232 Report a problem
    7/2/2025Listed for sale$15,000,000+140%$2,196/sqft
    Source: CCIMLS #22503232 Report a problem
    8/21/2019Sold$6,250,000$915/sqft
    Source: CCIMLS #21904825 Report a problem
    7/25/2019Pending sale$6,250,000$915/sqft
    Source: Robert Paul Properties #21904825 Report a problem
    7/1/2019Listed for sale$6,250,000$915/sqft
    Source: Robert Paul Properties, Inc. #21904825 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$89,928 +3.8%$11,115,900 +0.2%
    2024$86,649 +7.4%$11,094,600 +14.7%
    2023$80,650 +30.5%$9,670,300 +50.8%
    2022$61,812 +41%$6,412,000 +53.4%
    2021$43,838 -24.5%$4,179,000 -21.1%
    2020$58,084 +10.1%$5,299,600 +13.3%
    2019$52,779 -0.5%$4,679,000 -1.1%
    2018$53,065 +5.1%$4,729,500 +0.8%
    2017$50,478 -0.1%$4,691,300 +1.2%
    2016$50,528 +0.6%$4,635,600 +0.1%
    2015$50,225 +2.1%$4,629,000 0%
    2014$49,209 +3.8%$4,629,300 0%
    2013$47,406 +2.4%$4,629,500 -1.5%
    2012$46,312 +4.6%$4,701,700 -0.4%
    2011$44,258 -6%$4,718,300 -9.5%
    2010$47,102 -8.1%$5,216,200 -18.8%
    2009$51,267 +32.4%$6,424,400 +26.3%
    2008$38,708 +20.6%$5,086,500 +0.1%
    2007$32,109 0%$5,080,600 -0.2%
    2006$32,119 +44.9%$5,090,100 +38.9%
    2005$22,171 +12.2%$3,664,700 +108.1%
    2004$19,757 $1,760,900
    2003$19,757 $1,760,900

    Find assessor info on the county website

    Neighborhood: Osterville

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • District: Barnstable

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

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    Estimated market value
    $10,460,400
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $10,460,400