Single Family Residence at 434 Sea View Ave, Barnstable MA 02655, Barnstable
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$6,600,000

434 Sea View Ave, Barnstable MA 02655
Barnstable, MA 02655
Listed by Robert Kinlin
Bedrooms
5
Bathrooms
6.5
Living area
4,955 sqft
Year built
2003

About this home

Architecturally stunning and beautifully appointed, this exceptional residence is set within one of Cape Cod’s premier resort communities. Perfectly sited on 2.44 acres, the elegant home combines exquisite craftsmanship and refined detailing with a warm, inviting sense of style and ambiance. Nearly 5,000 square feet of custom-designed living space flows seamlessly from one room to the next, creating an ideal setting for both sophisticated entertaining and relaxed everyday living. The spacious living room is designed for both grand-scale entertaining and comfortable everyday living, featuring a handsome wet bar and seamless access to the light-filled sunroom overlooking the resort style pool. The dining area provides an inviting setting for formal gatherings, while the beautifully appointed kitchen with a generous center island, granite countertops, and custom backsplash, serves as the heart of the home. Refined millwork and thoughtful architectural details throughout add a timeless sense of elegance. The luxurious primary suite offers a spa-inspired bath, private sitting area, and separate office. The second-floor features three en-suite bedrooms, complemented by a fourth en-suite bedroom with a private balcony above the two-car garage. The outdoor setting is a defining feature of the property. A striking in-ground pool, pool house, fire pit, and beautifully designed landscaping create an inviting backdrop for summer entertaining and relaxed afternoons at home. Multiple outdoor spaces are framed by the grounds, while the long driveway and substantial acreage provide a welcome sense of seclusion. A distinctive offering on one of Osterville’s premier residential streets, this is a property that brings together architectural character, exceptional outdoor living, and privacy in a coveted Cape Cod setting. The information contained herein has been obtained through sources deemed reliable but cannot be guaranteed as to its accuracy. Buyers are encouraged to do their own due diligence through independent verification.

Highlights

Private poolFireplace

Property details

MLS #
73589132
Property type
Single Family Residence
Subdivision
N/A
Status
Active
Days on market
3
On market date
October 9, 2026
Stories
N/A
Total bathrooms
6.5
Garage spaces
2
Parking spaces
8
Lot size
2.44 acres
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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary
Centerville Elementary
2.74 mi away · Grades 0-3
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
247
Student:teacher ratio
11.2:1
District
Barnstable
Middle
Barnstable Intermediate School
4.45 mi away · Grades 6-7
Nearest school -- attendance-zone data not available here
5.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
682
Student:teacher ratio
12.0:1
District
Barnstable
High
Barnstable High
4.25 mi away · Grades 8-12
Nearest school -- attendance-zone data not available here
4.0
Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating
Enrollment
1,762
Student:teacher ratio
12.2:1
District
Barnstable

Walkability

Blended score for Barnstable's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). 60% EPA National Walkability Index + 40% nearby-amenity density (Google Places).

64
Walkable
out of 100
EPA National Walkability Index
14.2 / 20 -- Above average walkable
Google Places amenity density
53 / 100
Restaurants & cafes10
Grocery stores1
Parks8
Schools1
Transit stops1
Pharmacies0

Market position

How this listing compares to current activity in Barnstable, from live MLS data.

On the market 3 days -- 109 fewer days than Barnstable's current average of 112 days.
For reference, the median list price across 299 active listings in Barnstable right now is $799,000.

Mortgage calculator

Estimate only - actual rate and payment depend on your lender, credit, and loan program.

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Est. monthly payment
$39,896/mo
$1,320,000 down
$5,280,000 loan
Principal & interest$34,246
Property tax (est.)$5,500
Home insurance (est.)$150

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Data source: Listing information provided by MLS Property Information Network via Trestle/CoreLogic. Last updated 3 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.