434 Sea View Avenue, Osterville, MA 02655 (MLS# 22605173)

434 Sea View Avenue, Osterville, MA 02655

$6,600,000

Property Type: Residential Bedrooms: 5 Baths: 8 Square Footage: 4,955 Lot Size (sq. ft.): 106,286 Status: Active

Current Price: $6,600,000 List Date: 10/09/2026 Last Modified: 10/15/2026

Overview

Description

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 sen ... (Read more)

Supplements: 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 lon ... (Read more)

Listing Details MLS# 22605173

Contract Info

Original List Price: 6600000
List Price/SqFt: 1331.99

Legal and Taxes

Street #: 434
Street Name: Sea View
Street Suffix: Avenue
County: Barnstable
Town: Barnstable
Village: Osterville
State: MA
Zip Code: 02655
Tax ID: OSTE M:0138 B:0002 L:0004
Estimated Annual Taxes: 34658
Tax Year: 2026
Building Assessments: 1722700
Total Assessment: 4250500
Land Court Cert #: 225736
Lead Base Paint: Unknown
Flood Ins Required: Yes: verify w/insurance agent
Mass Use Code: 101 - Residential, single family
Nitrogen Sensitive Area: Yes

General Property Info

Comp Sale YN: No
Region: Mid-Cape
School District: Barnstable
Zoning: RF-1
Property Sub-Type: Single Family Residence
Year Built: 2003
Renovated: Yes
Year Renovated: 2022
Renovated Comments: Pool and Pool House
Total Finished Space: 4955
Field Card SqFt: 4955
Basement: No
Total Rooms: 10
Stories: 2
Private Pool: Yes
Private Dock: No
Leased Land: No
Lot Size SqFt: 106286
Lot Size Source: Assessor
Acres: 2.44
Irregular: Yes
Garage: Yes
# of Cars: 2
# of Parking Spaces: 6
Year Round: Yes
Bedrooms - Total: 5
Baths - Full: 5
Baths - Half: 3
Baths - Total: 8
Separate Living Qtrs: No
Golf Course Front: No
Golf Course View: No
Waterfront: No
Waterview: No
Miles to Beach: 1 to 2
Mi. to Beach Comments: Dowses Beach
Fireplace: Yes
# Fireplaces: Yes
Property Includes Recording Devices: Yes
Device Records: Both Audio and Video

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
Bedroom 5 Level: Second
Dining Room Level: First
Family Room Level: Second
Kitchen Level: First
Laundry Level: First
Living Room Level: First
Media Room Level: Second
Office Level: First
Primary Bedroom Level: First
Sunroom Level: First

More Information

Property Features

Street Description: Paved; Public Location Description: South of Route 28 Special Listing Cond: None Architectural Style: Gambrel Year Built Desc: Actual Foundation Details: Poured Lot Features: Cleared; Interior Lot; Level; Wooded Garage Description: Attached; Garage Door Opener Parking Features: Off Street; Shell Convenient To: Golf Course; House of Worship; Marina; School; Shopping Appliances: Countertop Range; Dishwasher; Gas Range; Microwave; Range Hood; Refrigerator; Security System; Wall/Oven Cook Top Floors: Tile; Wood Interior Features: Electric Dryer Hookup; HU Cable TV; Sound System; Walk-In Closet(s); Washer Hookup; Wet Bar Patio And Porch Features: Deck; Patio; Porch Private Pool Description: Covered; Gunite; In Ground Other Structures: Outbuilding; Pool House Exterior Features: Outdoor Shower; Private Yard Fencing: Fenced Other Equipment: Generator Roof Description: Asphalt Siding Description: Shingle Sewer: Private 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; Bedroom 5; Dining Room; Family Room; Kitchen; Laundry; Living Room; Media Room; Office; Primary Bedroom; Sunroom

Room Information

Room Name	Level
Living Room	First
Dining Room	First
Kitchen	First
Sunroom	First
Primary Bedroom	First
Office	First
Bedroom 2	Second
Bedroom 3	Second
Bedroom 4	Second
Bedroom 5	Second
Media Room	Second

Documents

Home Inspection Disclosure ›

Floor Plan ›

Property Details ›

Listing Office: Berkshire Hathaway HomeServices Robert Paul Properties

Listing Agent: Robert B Kinlin

Last Updated: October - 15 - 2026

Broker Attribution: rkinlin@robertpaul.com

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