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434 Sea View Avenue
Osterville MA 02655 US

$6,600,000

Active Listing ID 22605173
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5 bed
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4,955 square feet
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7.00 Bath (5 Full , 3 Half)
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Lot: 2.44 Acres
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Single Family Residence

$6,600,000

Active Listing ID 22605173
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434 Sea View Avenue 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.

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Property Features

  • Facts
  • Lot Size: 2.44 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 5
  • 1/2 Bathrooms: 3
  • Cooling System: Central Air
  • Exterior Finish: Private Yard, Outdoor Shower
  • Floor Covering: Tile, Wood
  • Roof Type: Asphalt
  • Heating Fuels: Forced Air, Natural Gas
  • Additional Features
  • Fireplace
  • Patio
  • Pool

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 6600000
  • unparsedaddress: 434 Sea View Avenue
  • postalcity: Osterville
  • stateorprovince: MA
  • country: US
  • postalcode: 02655
  • bathroomsfull: 5
  • bathroomshalf: 3
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 2.44
  • lotsizeunits: Acres
  • lotsizearea: 2.44
  • livingarea: 4955
  • livingareaunits: Square Feet
  • latitude: 41.613456
  • longitude: -70.381486
  • listagentfullname: Robert B Kinlin
  • listagentemail: rkinlin@robertpaul.com
  • listagentkey: 3yd-CCIAORMA-U0Y3
  • listagentmlsid: U0Y3
  • listagentpreferredphone: 5084201414
  • listagentofficephone: 5084201414x204
  • listofficekey: 3yd-CCIAORMA-CENCOM2
  • listofficemlsid: CENCOM2
  • disclaimer: Copyright © 2026 Cape Cod & Islands Association of REALTORS®, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: CCIAORMA
  • yearbuilt: 2003
  • listingcontractdate: 2026-10-09
  • listagentfax: 5084207114
  • countyorparish: Barnstable
  • parcelnumber: OSTE M:0138 B:0002 L:0004
  • elementaryschooldistrict: Barnstable
  • middleorjuniorschooldistrict: Barnstable
  • highschooldistrict: Barnstable
  • appliances: Water Heater, Range Hood, Gas Range, Countertop Range, Dishwasher, Microwave, Refrigerator, Wall/Oven Cook Top
  • cooling: Central Air
  • constructionmaterials: Shingle Siding
  • flooring: Tile, Wood
  • heating: Forced Air, Natural Gas
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 6
  • parkingfeatures: Open, Off Street
  • roof: Asphalt
  • waterfrontyn: False
  • franchiseaffiliation: None
  • interiorfeatures: Walk-In Closet(s), HU Cable TV, Sound System, Wet Bar
  • exteriorfeatures: Private Yard, Outdoor Shower
  • architecturalstyle: Other
  • rooms: Bathroom 7, Bathroom 4, Bathroom 8, Bathroom 3, Bathroom 2, Bedroom 5, Bedroom 1, Bathroom 1, Bathroom 6, Bedroom 4, Bedroom 3, Bathroom 5, Bedroom 2
  • securityfeatures: Security System
  • otherstructures: Outbuilding
  • patioandporchfeatures: Porch, Patio, Deck
  • dock: False
  • poolprivateyn: True
  • spayn: False
  • fencing: Fenced
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -70.381485, 41.613457
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Robert Paul Properties, Inc.", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"rkinlin@robertpaul.com", "ListBrokerageCity":"Sandwich", "ListBrokerageCountry":"US", "ListBrokerageEmail":null, "ListBrokerageLogoUrl":null, "ListBrokerageName":"Robert Paul Properties, Inc.", "ListBrokeragePhone":"(508) 863-4663", "ListBrokeragePostalCode":null, "ListBrokerageStateOrProvince":"MA", "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"68 Tupper Road, Unit 7", "ListBrokerageWebsiteUrl":null, "ListOfficeAddress1":"867 Main Street ", "ListOfficeAddress2":"", "ListOfficeBrokerMlsId":"CENCOM2", "ListOfficeCity":"Osterville", "ListOfficeCountry":"US", "ListOfficeEmail":"george.patsio@commonmoves.com", "ListOfficePostalCode":"02655", "ListOfficeStateOrProvince":"MA", "ListPriceCurrencyType":"USD", "ListingTitle":"Residential, Osterville, MA", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/434-Sea-View-Ave_Osterville_MA_02655_M43987-94889?f=listhub&s=CCIAORMA&m=22605173&c=rexren", "MLSModificationTimestamp":"2026-10-10 11:00:22", "Neighborhoods":[{"Description":null, "Name":"Barnstable"}], "PostalCode":null, "RoomCount":10, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":34658, "TaxDescription":null, "TaxYear":"2026"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 10/10/2026 11:13:21 AM GMT
Source Updated Date: 10/11/2026 12:52:36 AM GMT

Courtesy of: Robert B Kinlin, Berkshire Hathaway HomeServices Robert Paul Properties, rkinlin@robertpaul.com

Copyright © 2026 Cape Cod & Islands Association of REALTORS®, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.