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
Listing Office: Sotheby's International Realty
Listing Agent: Gene Orloff
IDX
Last Updated: December - 16 - 2025
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