434 Sea View Avenue, OstervilleBarnstable, MA 02655MLS Number 73589132

  • Price: $6,600,000
  • Est. Mortgage of $/month
  • 1 Day on Market
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%
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Federal 30-year interest rate: 7.4% last updated on Oct 8, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
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434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655434 Sea View Avenue Barnstable MA 02655
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  • 5Bedrooms
  • 2.44Acreage
  • 8Bathrooms
  • 2003Year Built

Driving Directions

Architecturally stunning and beautifully appointed, this exceptional residence is set within one of Cape Cod’s premier resort communities. Perfectly sited on 2.44 acres, the elegant home combines exquisite craftsmanship and refined detailing with a warm, inviting sense of style and ambiance. Nearly 5,000 square feet of custom-designed living space flows seamlessly from one room to the next, creating an ideal setting for both sophisticated entertaining and relaxed everyday living. The spacious living room is designed for both grand-scale entertaining and comfortable everyday living, featuring a handsome wet bar and seamless access to the light-filled sunroom overlooking the resort style pool. The dining area provides an inviting setting for formal gatherings, while the beautifully appointed kitchen with a generous center island, granite countertops, and custom backsplash, serves as the heart of the home. Refined millwork and thoughtful architectural details throughout add a timeless sense of elegance. The luxurious primary suite offers a spa-inspired bath, private sitting area, and separate office. The second-floor features three en-suite bedrooms, complemented by a fourth en-suite bedroom with a private balcony above the two-car garage. The outdoor setting is a defining feature of the property. A striking in-ground pool, pool house, fire pit, and beautifully designed landscaping create an inviting backdrop for summer entertaining and relaxed afternoons at home. Multiple outdoor spaces are framed by the grounds, while the long driveway and substantial acreage provide a welcome sense of seclusion. A distinctive offering on one of Osterville’s premier residential streets, this is a property that brings together architectural character, exceptional outdoor living, and privacy in a coveted Cape Cod setting. The information contained herein has been obtained through sources deemed reliable but cannot be guaranteed as to its accuracy. Buyers are encouraged to do their own due diligence through independent verification.
Listed by Robert Kinlin of Berkshire Hathaway HomeServices Robert Paul Properties

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More Info

Basic Information

  • Bedrooms5
  • Mls StatusNew
  • Bathroom8
  • Lot Features Wooded, Cleared, Level
  • Parcel Number M:0138 B:0002 L:0004,4253179
  • Road Frontage DescriptionPaved

Location

  • NeighborhoodOsterville
  • SubdivisionOsterville
  • Address434 Sea View Avenue
  • Building Number434
  • CountyBarnstable
  • StateMA
  • StreetSea View Avenue
  • TownBarnstable
  • Zip02655

Interior

  • Flooring Wood, Tile, Flooring - Wood
  • Interior Features
    • Closet/Cabinets - Custom Built
    • Home Office
    • Media Room
    • Recessed Lighting
    • Sun Room
    • Vaulted Ceiling(s)
    • Wet Bar

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Forced Air, Natural Gas
  • Sewer Private Sewer
  • Water Source Public

Amenities

  • Amenities
    • Golf
    • House of Worship
    • Marina
    • Park
    • Private School
    • Shopping
  • Green Energy Efficient Thermostat
  • Pool Features In Ground
  • Pool Private YN Yes
  • Security Features Security System

Tax Information

  • Tax Assessed Value $4,250,500
  • Tax Year 2026
  • Taxes$34,658

Rooms

  • Bathrooms Total Decimal 6.5
  • Bedroom 2 Second
  • Bedroom 3 Second
  • Bedroom 4 Second
  • Bedroom 5 Second
  • Dining Room First
  • Full Bath5
  • Half Baths3
  • Kitchen First
  • Living Room First
  • Master Bedroom First
  • Office First

Property

  • Acreage2.44

Exterior

  • Exterior Features
    • Fenced Yard
    • Outdoor Gas Grill Hookup
    • Patio
    • Pool - Inground
    • Porch
    • Professional Landscaping
    • Storage
  • Fencing Fenced
  • RoofShingle

Property Information

  • Square Feet4,955
  • Building Area Source Public Records
  • Living Area 4,955
  • Lot Size Square Feet 106,286
  • Lot Size Units Acres

Other

  • Date Listed10/09/2026
  • Farm Land Area Units Square Feet

Parking

  • Parking Spaces8
  • Covered Spaces 2
  • Garage YN Yes
  • Parking Features Attached, Garage Door Opener, Garage Faces Side, Off Street

Basic Information

  • List Price$6,600,000
  • MLS Number73589132
  • Modification Date10/09/2026
  • Property SubTypeSingle Family Residence

Building

  • Attached Garage YN Yes
  • BasementCrawl Space
  • Building Area Units Square Feet
  • Door Features French Doors
  • FireplaceYes
  • Fireplace Features Master Bedroom
  • Fireplaces Total 1
  • FoundationConcrete Perimeter
  • Garage Spaces2
  • Patio And Porch Features Porch, Patio
  • Rooms11
  • Utilities For Gas Range, For Gas Oven, For Electric Dryer, Washer Hookup, Outdoor Gas Grill Hookup
  • Year Built2003
  • Year Built Details Actual, Renovated Since
  • Year Built Source Public Records

Water Body

  • Miles to Beach2
  • Waterfront Features Bay,1 to 2 Mile To Beach, Beach Ownership(Public)

Your Local Office

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLSPIN and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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