391 Sea View Avenue, Osterville, MA 02655 (MLS# 22503232)
391 Sea View Avenue, Osterville, MA 02655
$10,500,000
Property Type:
Residential
Bedrooms:
6
Baths:
7
Square Footage:
6,830
Lot Size (sq. ft.):
53,579
Status:
Closed
Current Price:
$10,500,000
List Date:
10/23/2025
Last Modified:
12/16/2025
Description
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!
More Information MLS# 22503232
Contract Info
List Price/SqFt: 1976.57
Status: Closed
Original List Price: 15000000
Sold Price: $10,500,000
Current Price: $10,500,000
List Date: 2025-07-02
Legal and Taxes
Town: Barnstable
Village: Osterville
Estimated Annual Taxes: 92242
Building Assessments: 3160800
Other Assessments: 114400
Total Assessment: 11115900
Title Reference - Book: C220322
Title Reference - Page: 0
Underground Fuel Tank: No
Flood Ins Required: Yes: verify w/insurance agent
Lead Base Paint: No
Asbestos: Unknown
Mass Use Code: 109 - Residential, multiple houses
Nitrogen Sensitive Area: Yes
Street #: 391
Street Name: Sea View
Street Suffix: Avenue
County: Barnstable
State: MA
Zip Code: 02655
Tax ID: 138-031
Tax Year: 2025
General Property Info
Region: Mid-Cape
School District: Barnstable
Zoning: RF-1
Property Sub-Type: Single Family Residence
Renovated: No
Stories: 2
Total Rooms: 9
Field Card SqFt: 5502
Additional Finished Space: 1328
Additional SqFt Source: Public Records
Basement: Yes
Baths - Half: 3
Association: No
Private Dock: No
Private Pool: No
Lot Size SqFt: 53579
Leased Land: No
Membership Required: No
Lot Size Source: Assessor
Acres: 1.23
Irregular: Yes
Garage: Yes
# of Cars: 4
# of Parking Spaces: 6
Year Round: Yes
Separate Living Qtrs: Yes
Golf Course Front: No
Golf Course View: No
Waterfront: Yes
Water Body: Nantucket Sound
Waterfront Type: Oceanfront
Water Body Type: Salt
Water Access Type: Private
Waterview: Yes
Water Body View: Nantucket Sound
Waterview Type: Ocean
Miles to Beach: 0 - .1
Mi. to Beach Comments: Private beach
Fireplace: Yes
# Fireplaces: 3
Property Includes Recording Devices: Yes
Year Built: 2020
Total Finished Space: 6830
Bedrooms - Total: 6
Baths - Full: 4
Baths - Total: 7
Remarks & Misc
Public Remarks: 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!
Directions to Property: From Wianno Ave South continue to the end of Wianno Avenue and take a right on Sea View Avenue past the Wianno Club, 391 Sea View Avenue is on your left.
Status Change Info
Concessions: No
Estimated Selling Date: 2025-12-16
Sold Price/SqFt: 1537.34
SP/AV: 0.94
Under Contract Date: 2025-11-13
Sold Date: 2025-12-16
Sold Price: $10,500,000
Street Description
Paved: 1
Public: 1
Special Listing Cond
None: 1
Location Description
South of Route 28: 1
Lot Features
Marsh: 1
Views: 1
Year Built Desc
Approximate: 1
Basement Description
Partial: 1
Parking Features
Driveway: 1
Guest: 1
Other: 1
Waterview Direction
South: 1
West: 1
Architectural Style
Contemporary: 1
Shingle: 1
Garage Description
Attached: 1
Direct Access: 1
Storage: 1
Under: 1
Baths Per Level
Baths - Level 1: 2
Baths - Level 2: 3
Sep Living Qtrs Info
Baths - Full: 2
Beds: 2
Baths - Total: 2
Foundation Details
Crawl Space: 1
Poured: 1
Convenient To
Conservation Area: 1
Golf Course: 1
House of Worship: 1
Major Highway: 1
Marina: 1
Medical Facility: 1
School: 1
Shopping: 1
Convenient to Water Body 1: Nantucket Sound
Convenient to Water Body 2: Dowses
Floors
Hardwood: 1
Tile: 1
Sewer
Septic Tank: Title V Grade Level
Separate Living Qtrs
Basement: 1
Detached: 1
First Floor: 1
Roof Description
Pitched: 1
Shingle: 1
Wood: 1
Siding Description
Shingle: 1
Primary Bedroom
Primary Bedroom: 1
Primary Bedroom Level: Second Floor
Built-Ins: 1
Cathedral Ceiling: 1
Closet: 1
Dressing Room: 1
Flooring: Wood
Office/Sitting Area: 1
Private Full Bath: 1
View: 1
Walk-in Closet: 1
Heating
Other: 1
Bedroom 2
Closet: 1
Private Full Bath: 1
Walk-in Closet: 1
Cooling
Central Air: 1
Fuel Type
Natural Gas: 1
Water
Public: 1
Hot Water
Water Heater: 1
Hot Water Source
Natural Gas: 1
Living Room
Living Room: 1
Built-Ins: 1
Flooring: Wood
Recessed Lighting: 1
Special Door Access: French
View: 1
Wet Bar: 1
Dining Room
Dining Room: 1
Dining Room Level: First Floor
Built-Ins: 1
Flooring: Wood
Special Door Access: French
View: 1
Kitchen/Dining Combo
No: 1
Kitchen
Eat-in Kitchen: 1
Kitchen: 1
Kitchen Level: First Floor
Bay/Bow Windows: 1
Breakfast Nook: 1
Cathedral Ceiling: 1
Countertops: Granite
Flooring: Wood
Kitchen Island: 1
Private Full Bath: 1
Special Door Access: French
View: 1
Exterior Features
Garden: 1
Private Yard: 1
Underground Sprinkler System: 1
Appliances
Dishwasher: 1
Freezer: 1
Gas Dryer: 1
Gas Range: 1
Range Hood: 1
Refrigerator: 1
Security System: 1
Washer: 1
Wine Cooler: 1
Interior Features
Elevator: 1
Linen Closet: 1
Pantry: 1
Recessed Lighting: 1
Sound System: 1
Walk-In Closet(s): 1
Wet Bar: 1
Patio And Porch Features
Patio: 1
Screened Porch: 1
Property Features
Street Description: Paved; Public
Location Description: South of Route 28
Special Listing Cond: None
Architectural Style: Contemporary; Shingle
Year Built Desc: Approximate
Basement Description: Partial
Foundation Details: Crawl Space; Poured
Lot Features: Marsh
Garage Description: Attached; Direct Access; Storage; Under
Parking Features: Driveway; Guest; Other
Separate Living Qtrs: Basement; Detached; First Floor
Convenient To: Conservation Area; Golf Course; House of Worship; Major Highway; Marina; Medical Facility; School; Shopping
Waterview Direction: South; West
Primary Bedroom: Primary Bedroom; Built-Ins; Cathedral Ceiling; Closet; Dressing Room; Office/Sitting Area; Private Full Bath; View; Walk-in Closet
Bedroom 2: Closet; Private Full Bath; Walk-in Closet
Living Room: Living Room; Built-Ins; Recessed Lighting; View; Wet Bar
Dining Room: Dining Room; Built-Ins; View
Kitchen: Kitchen; Bay/Bow Windows; Breakfast Nook; Cathedral Ceiling; Eat-in Kitchen; Kitchen Island; Private Full Bath; View
Appliances: Dishwasher; Freezer; Gas Dryer; Gas Range; Range Hood; Refrigerator; Security System; Washer; Wine Cooler
Floors: Hardwood; Tile
Interior Features: Elevator; Linen Closet; Pantry; Recessed Lighting; Sound System; Walk-In Closet(s); Wet Bar
Patio And Porch Features: Patio; Screened Porch
Exterior Features: Garden; Private Yard; Underground Sprinkler System
Roof Description: Pitched; Shingle; Wood
Siding Description: Shingle
Heating: Other
Cooling: Central Air
Fuel Type: Natural Gas
Water: Public
Hot Water: Water Heater
Hot Water Source: Natural Gas
Documents
Listing Office:
Sotheby's International Realty
Listing Agent:
Gene Orloff
Last Updated: December - 16 - 2025
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