850 Sea View Avenue, Osterville, MA 02655 (MLS# 22504438)

850 Sea View Avenue, Osterville, MA 02655

$7,500,000
Property Type: Residential Bedrooms: 8 Baths: 9 Square Footage: 7,350 Lot Size (sq. ft.): 53,143 Status: Closed
Current Price: $7,500,000 List Date: 10/17/2025 Last Modified: 8/20/2026

Overview

Description

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.

Supplements: 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 au ...

Listing Details MLS# 22504438

Contract Info

Original List Price
7950000
List Price/SqFt
1081.63

Legal and Taxes

Street #
850
Street Name
Sea View
Street Suffix
Avenue
County
Barnstable
Town
Barnstable
Village
Osterville
State
MA
Zip Code
02655
Tax ID
114-001-003
Estimated Annual Taxes
42248
Tax Year
2026
Building Assessments
2522200
Other Assessments
354500
Total Assessment
5181300
Land Court Cert #
C212153
Lead Base Paint
Unknown
Flood Ins Required
No
Mass Use Code
101 - Residential, single family
Nitrogen Sensitive Area
No

General Property Info

Region
Mid-Cape
School District
Barnstable
Zoning
RF-1
Property Sub-Type
Single Family Residence
Year Built
2005
Renovated
Yes
Year Renovated
2017
Total Finished Space
7350
Field Card SqFt
6342
Additional Finished Space
1008
Additional SqFt Source
Public Records
Total Rooms
12
Stories
2
Private Pool
Yes
Private Dock
No
Leased Land
No
Lot Size SqFt
53143
Lot Size Source
Field Card
Acres
1.22
Irregular
Yes
Garage
Yes
# of Cars
3
# of Parking Spaces
6
Year Round
Yes
Bedrooms - Total
8
Baths - Full
7
Baths - Half
2
Baths - Total
9
Separate Living Qtrs
Yes
Golf Course Front
No
Golf Course View
No
Waterfront
No
Waterview
Yes
Water Body View
West Bay
Waterview Type
Bay/Harbor
Miles to Beach
.3 - .5
Mi. to Beach Comments
Deeded beach rights on Nantucket Sound, Eel River
Fireplace
Yes
# Fireplaces
3
Warranty Available
No
Property Includes Recording Devices
No

Status Change Info

Concessions
No
Estimated Selling Date
2026-06-15
Under Contract Date
2026-04-13
Sold Date
2026-06-15
Sold Price/SqFt
1020.41
SP/AV
1.45

Sep Living Qtrs Info

Beds
Yes
Baths - Full
Yes
Baths - Total
Yes

Convenient To

Convenient to Water Body 1
Nantucket Sound

More Information

Sewer

Septic Tank Description
Title V Grade Level

DPR Eligibility

DPR Eligible
No

Room Types

Bedroom 2 Level
Second
Bedroom 3 Level
Second
Bedroom 4 Level
Second
Dining Room Level
First
Family Room Level
First
Foyer Level
First
Kitchen Level
First
Laundry Level
Basement
Living Room Level
First
Office Level
First
Primary Bedroom Level
Second

Property Features

Street Description: Paved Location Description: South of Route 28 Special Listing Cond: None Architectural Style: Shingle Year Built Desc: Approximate Basement Description: Finished; Interior Access; Partial; Walk-Out Access Foundation Details: Concrete Perimeter Lot Features: Level Garage Description: Detached; Storage Parking Features: Other Separate Living Qtrs: Detached; Second Floor Convenient To: Golf Course; House of Worship; Marina; Public Tennis; Shopping Appliances: Dishwasher; Gas Range; Microwave; Refrigerator; Security System Floors: Hardwood Interior Features: Interior Balcony; Recessed Lighting; Wet Bar Private Pool Description: Gunite; In Ground Exterior Features: Outdoor Shower; Underground Sprinkler System Fencing: Partial Roof Description: Shingle; Wood Siding Description: Shingle Sewer: Septic Tank Heating: Forced Air Cooling: Central Air Fuel Type: Natural Gas Water: Public Hot Water: Water Heater Hot Water Source: Natural Gas Room Types: Bedroom 2; Bedroom 3; Bedroom 4; Dining Room; Family Room; Foyer; Kitchen; Laundry; Living Room; Office; Primary Bedroom

Room Information

Room Name Length Width Level
Primary Bedroom 11.00 20.00 Second
Bedroom 2 11.00 17.00 Second
Bedroom 3 14.00 19.00 Second
Bedroom 4 16.00 18.00 Second
Foyer 16.00 16.00 First
Laundry 7.00 7.00 Basement
Dining Room 15.00 24.00 First
Living Room 23.00 21.00 First
Kitchen 17.00 14.00 First
Family Room 22.00 15.00 First
Office 17.00 42.00 First
IDX
Listing Office: Sotheby's International Realty
Listing Agent: Jack B Cotton, Jr
Source MLS Verified
Last Updated: August - 20 - 2026
Broker Attribution: jack@jackcotton.com

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