850 Sea View Avenue Osterville, MA $ 7,950,000
850 Sea View Avenue
$ 7,950,000
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850 Sea View Avenue

Osterville, MA, 02655
$ 7,950,000
Bedrooms8 Baths7.2 Sq 7,350

Monthly Estimate*

$ 49,598

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Single Family Home for sale in Osterville, MA

for $7,950,000 with 8 bedrooms and 7 full baths, 2 half baths. This 7,350 square foot home was built in 2005 on a lot size of 1.22.

At the western end of Osterville's legendary Sea View Avenue--a road many believe is one of the most beautiful and valuable on all of Cape Cod reveals a property that transcends the idea of a residence. On over one acre of sweeping, tree-lined greensward with glimpses of West Bay shimmering in the distance, here is a residence that is not simply lived in, but experienced.Accessed by a winding drive of hand-laid paver stones with more than 6,342 square feet of living space, this Merle Thorpe designed home is a masterpiece of craftsmanship from a bygone era. Every lovingly maintained detail speaks to a time when artistry, skill, and pride shaped construction: mahogany windows and doors, wide-plank quarter-sawn oak floors, artisan cabinetry and moldings and graceful curved walls and rooflines that play against the endless blue of Cape Cod skies. It is at once a home and a work of art--a sculpture you inhabit, revealing new secrets and surprises with every visit. The accommodations are generous: seven bedrooms in the main house, and a generously oversized bespoke 1,000+- square foot one-bedroom guest suite with full bath, Pullman refreshment bar and laundry room above the three-car garage complete with radiant heated floors. Even the practical details carry refinement, from a dedicated trash room with an automatic air-venting system to carefully considered storage and systems. The partially finished terrace level offers a bedroom, full bath, laundry room, an additional washing room and space for your imagination to run wild. Outside, the grounds invite leisure and celebration. A 50-foot gunite pool with auto-cover is framed by a stone terrace shaded by Japanese maplesan idyllic setting for alfresco dining on summer evenings, where the sound of waves rolling onto the shore drifts from across the avenue. Ownership here includes something rare: deeded rights to a private pristine Nantucket Sound beach, just steps away, and access to Eel River, perfect for launching kayaks and paddleboards. Welcome to 850 Sea View Avenue, more than a residence; it is a legacy. Built with unmatched skill and devotion, it offers its next steward more than shelter. It is a place where cherished memories are ingrained against a backdrop of beauty and heritage and where every wall, every curve and every view reveal a story of timeless artistry. Please verify all information contained herein.

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Single Family Active

Price

$ 7,950,000

Bedrooms

8

Full Bath

7

Half Bath

2

Property Type

Single Family

Taxes

$ 38,329

Style

Shingle

Lot Size

1.22

Year Built

2005

Town/City

Osterville

County/Region

Barnstable

MLS | Web ID

22504438

Features
Interior
Interior Amenities Interior Balcony Wet Bar Recessed Lighting
Basement Finished Partial Interior Entry
Flooring Hardwood
Total Fireplaces 3
Fireplace Features Wood Burning
Kitchen Level First
Air Conditioning Y/N true
Heating Y/N true
Window Features Bay/Bow Windows
Fireplace Y/N true
Half Baths 2
Laundry Features Laundry Room In Basement
Total Bedrooms 8
Entry Level 1
Living Room Level First
Below Grade Finished Area Unit Type Square Feet
Kitchen Features Kitchen Upgraded Cabinets
Total Baths 9
Primary Bathroom Features Private Full Bath
Living Room Features View Living Room
Bedroom 4 Features Bedroom 4 Closet Private Full Bath
Bedroom 3 Features Bedroom 3 Closet Private Full Bath
Bedroom 2 Features Bedroom 2 Closet Private Full Bath
Dining Room Features Recessed Lighting Dining Room
Kitchen Area 238
Kitchen Description Flooring: Wood
Kitchen Length 17
Kitchen Width 14
Primary on Main 187
Second Bedroom Length 11
Second Bedroom Width 17
Bedroom 3 Area 266
Bedroom 3 Length 14
Bedroom 3 Width 19
Bedroom 4 Area 288
Bedroom 4 Length 16
Bedroom 4 Width 18
Dining Room Area 15 360
Dining Room Width 24
Living Room Area 483
Living Room Length 23
Living Room Width 21
Primary Bedroom Area 220
Primary Bedroom Features Laundry Areas Balcony Walk-In Closet(s) Recessed Lighting Built-in Features
Primary Bedroom Length 11
Primary Bedroom Width 20
Dining Room Level First
Bedroom 4 Level Second
Bedroom 3 Level Second
Second Bedroom Level Second
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General
Sewer Septic Tank
Cooling Central Air
Roof Wood Shingle
Appliances Dishwasher Security System Refrigerator Gas Range Microwave Gas Water Heater
Zoning RF-1
Garage Spaces 3
Architectural Style Shingle
Pool Features Gunite In Ground
Construction Materials Shingle Siding
Year Built 2005
Stories Count 2
Township Barnstable
Property Subtype Single Family Residence
Tax Year 2025
County Barnstable
New Construction false
Property Type Residential
HOA false
Attached Garage false
Garage Y/N true
Total Rooms 12
Full Baths 7
Status Active
Directions Parker Road or Eel River Road to right onto Sea View Avenue. House is on the right.
City Osterville
Entry Location First Floor
High School District Barnstable
Lot Size Units Acres
Lot Size Square Feet 53143
Carport Y/N false
Property Attached Y/N false
Land Lease Y/N false
Tax Annual Amount 38329
Showing Instructions Please call 508-957-5500 (Don't text this is a landline) or email jack@jackcotton.com to show. Sellers in residence-would prefer 24 hours notice to show.
Home Warranty Y/N false
Property Condition Updated/Remodeled Approximate
Virtual Tour https://my.matterport.com/show/?m=CSB5e3bC3KX https://my.matterport.com/show/?m=CSB5e3bC3KX
Building Area Units Square Feet
Primary Bedroom Level Second
Living Area Units Square Feet
Standard Status Active
Middle/Junior School District Barnstable
Elementary School District Barnstable
Tax Assessed Value 4820400
Waterview Y/N Bay/Harbor
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Exterior
Exterior Amenities Outdoor Shower
Fencing Partial
Lot Features Marina House of Worship Near Golf Course Shopping Public Tennis Level South of Route 28
Total Parking 6
Lot Size Area 1.22
Foundation Details Concrete Perimeter
Building Area Total 7350
Lot Size Acres 1.22
Road Surface Type Paved
Lot Size Source Field Card
Waterfront Y/N false
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* Excluded Features
List By
John B Cotton, Jr

Listing Agent

Sotheby's International Realty

Broker

jack.cotton@sir.com

Email

Affordability Calculator

$52,792
Per Month
94%
6%
0%
Monthly Principal & Interest
$49,598
Monthly Property Taxes
$3,194
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
0 Elementary School
0 Middle School
Pricing History
DatePricePrice ChangeDescription
9/9/2025$7,950,000 Listed Price

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850 Sea View Avenue, Osterville, MA, 02655 is a Single Family Home for sale at $7,950,000 with 7,350 sqft and a lot size of 1.22. 850 Sea View Avenue has 8 bedrooms, 7.2 baths, and was built in 2005. The property's zip code is 02655 which is in Osterville, MA