850 Sea View Avenue, Barnstable MA 02655

Barnstable, MA 02655 • Wianno
$7,950,000
Est. $42,313/month
8
Beds
8
Baths
7,350
Sq Ft
$1,082
Price/Sq Ft
1.22
Acres
2005
Year Built
Single Family Residence
Type
16
Days on Market
Active Listed Sep 26, 2025 • MLS# 73427916

About this home

At the west end of Osterville’s iconic Sea View Avenue in Wianno, this extraordinary estate is more than a home—it is a masterpiece of craftsmanship and artistry. Set on 1.2 acres of horticultural privacy with glimpses of West Bay, the 7,350 sq. ft. residence showcases hand-built mahogany windows and doors, quartersawn oak floors, curved walls and bespoke cabinetry and moldings—all created with skill from a bygone era. Seven bedrooms in the main house are complemented by a one-bedroom apartment above the three-car garage, complete with radiant floors. Outdoors, a 50-foot gunite pool and stone terrace shaded by Japanese maples invite alfresco dining, while waves on Nantucket Sound echo just across the avenue. Ownership includes rare deeded access to a private Nantucket Sound beach and to Eel River for kayaking and paddle boarding. At 850 Sea View Avenue, every visit reveals new beauty and discoveries making this home a true legacy property. Please verify all information contained herein

Facts & Features

Property Overview

Property Type
Single Family Residence
Property Category
Residential
Year Built
2005
Bedrooms
8
Full Bathrooms
7
Half Bathrooms
2
Living Area
7,350 sq ft
Total Rooms
12

Interior Features

Flooring
Wood, Tile
Heating
Central, Natural Gas
Has Heating
Yes
Cooling
Central Air
Has Cooling
Yes
Fireplace Features
Living Room
Has Fireplace
Yes
Number of Fireplaces
3
Appliances
Gas Water Heater, Water Heater, Range, Dishwasher, Microwave, Refrigerator, Freezer, Washer, Dryer
Laundry Features
In Basement
Basement Details
Partial, Partially Finished
Door Features
French Doors

Exterior & Structure

Construction Materials
Frame
Architectural Style
Shingle
Roof
Wood
Foundation
Concrete Perimeter
Exterior Features
Porch - Screened, Covered Patio/Deck, Balcony, Pool - Inground, Professional Landscaping, Sprinkler System
Patio/Porch Features
Screened, Covered
Has Spa
No
Pool Features
In Ground
Private Pool
Yes
View
Scenic View(s)
Has View
Yes
Waterfront Features
Sound, 3/10 to 1/2 Mile To Beach, Beach Ownership(Deeded Rights)
Waterfront Property
No

Lot & Land

Lot Size
1.22 acres
Lot Size
53,143 sq ft
Lot Size Area
1.2200
Lot Features
Level
Road Surface Type
Paved

Parking & Garage

Garage Spaces
3
Has Garage
Yes
Attached Garage
No
Has Carport
No
Total Non-Garage Parking Spaces
6
Parking Features
Detached, Garage Door Opener, Paved Drive, Off Street, Driveway
Covered Parking Spaces
3

Utilities & Systems

Utilities Available
for Gas Range
Water Source
Public
Sewer
Private Sewer
Security Features
Security System

Community & HOA

Community Features
Shopping, House of Worship, Marina
HOA
No
Senior Community
No

Financial & Tax Information

Annual Tax Amount
$38,329
Tax Year
2025
Tax Assessed Value
$4,820,400
Tax Lot
003
Tax Block
001
Tax Map Number
114
Parcel Number
114/001/003,2231785
Zoning
RF-1

Additional Details

Year Built Source
Public Records
Year Built Details
Approximate
Attached Property
No
Exclusions
Custom Area Rugs

Location

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Neighborhood

Wianno

850 Sea View Avenue, Barnstable MA 02655

Barnstable, MA 02655

Walkability

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Schools

High School
Barnstable
Rating information coming soon

Monthly Payment Calculator

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Estimated Monthly Payment $0

Payment Breakdown

Principal & Interest $0
Property Tax $3,194
Homeowners Insurance $200
PMI $0

Property History

Property Timeline

🏠
Listed for Sale
Sep 9, 2025
$7,950,000
Original listing
Agent: Jack Cotton Office: Sotheby's International Realty

Price & Status History

Date Event Price Change
Sep 9, 2025 New Listing Added $7,950,000

Market Statistics

Days on Market
16 days
Price per Sq Ft
$1,082

Tax History

Year Taxes Assessment
2025 $38,329 $4,820,400

Financial Details

Annual Property Tax
$38,329
Tax Year 2025
Assessed Value
$4,820,400

Listing Information

Listing Agent Jack Cotton
Listing Office Sotheby's International Realty
Agent MLS ID A9501779
Office MLS ID AN0730

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