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$15,000,000

391 Sea View Ave Osterville, MA 02655

4 beds
4 full, 3 partial
1.2 acres
House

Property details

About 391 Sea View Ave

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!

Highlights

Home typeSingle Family Residence
HeatingOther
StatusActive
CoolingCentral Air
BasementYes
Lot size1.23 Acres
Year built2020
ParkingGuest, Attached
MLS #22503232
Attached garage4 spaces

Virtual tour

Summary

  • Partial Bathrooms: 3
  • Full Bathrooms: 4
  • Appliances: Dishwasher, Washer, Refrigerator, Freezer, Gas Water Heater
  • Basement: Yes
  • Flooring Type: Hardwood, Tile
  • Interior: Wet Bar, Sound System, Recessed Lighting, Pantry, Walk-in Closet(s)
  • Total Bedroom Count: 4
  • Garage Space: 4 spaces
  • Attached Garage: Yes
  • Parking: Guest, Attached
  • Exterior: Garden
  • Heating: Other
  • Cooling: Central Air
  • List Price: $15,000,000
  • Annual Tax Amount: $86,649
  • Tax Year: 2024
  • Lot: On Golf Course, Near Golf Course, Waterfront
  • Directions: 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.
  • Year Built: 2020
  • Stories: 2
  • Lot Size: 1.23 Acres
  • MLS Number: 22503232
  • MLS Name: CapeCod
  • Office Name: Sothebys International Realty
  • Office Phone: (508) 428-9115
  • Listing Agent: Gene Orloff

IDXThe data relating to real estate for sale on this site comes from the Broker Reciprocity (BR) of the Cape Cod & Islands Multiple Listing Service, Inc. (CCIMLS). Real estate listings provided by CCIMLS and held by other brokerage firms are marked with the CCIMLS BR Logo and detailed information includes, at minimum, the name of the listing agent and broker attribution assigned by the listing broker. Neither the listing broker nor this broker shall be responsible for any typographical errors, misinformation, or misprints and shall be held totally harmless. All properties are subject to prior sale, changes, or withdrawal. The Broker providing this data believes it to be correct but advises interested parties to confirm any item before relying on it in a purchase decision.

Copyright 2025© Cape Cod & Islands Multiple Listing Service, Inc. All rights reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 7/2/2025, 10:45:39 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.

Price information

Property sales

We're sorry, we currently don't have property sales data for this listing.

Tax history

YearAssessmentProperty Tax
2024$11,094,600$86,649
2023$9,670,300$80,650
2022$6,412,000$61,812
2021$4,179,000$43,838
2020$5,299,600$58,084
2019$4,679,000$52,779

History based on county public records data.

Nearby schools

6

Centerville Elementary School

Public District KG-3

2.8 mi

658 Bay Ln

4

Barnstable United Elementary School

Public District 3-5

3.4 mi

730 Osterville West Barnstable Rd

8

West Villages Elementary School

Public District KG-3

3.5 mi

760 Osterville West Barnstable Rd

School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.

All data from GreatSchools

Neighborhood

The neighbors living near this home have an average income of $102,734. The most common annual income of people living in Osterville, MA is between $35k-100k. Typical family type is single, no kids. The majority of residents in this area have post secondary degree education.

How much money do the neighbors make?

11%
<35k
38%
35k-100k
34%
100k-200k
17%
200k+

What level of education do the neighbors have?

High School Diploma
Post Secondary Degree
Masters Degree
Doctorate

What types of families live nearby?

48%
Single, No Kids
5%
Single, with Kids
36%
Married, No Kids
11%
Married, with Kids

Are the neighbors home owners or renters?

Home Owners
Renters

How old are people in this area?

9%
<11 yrs old
7%
12-17 yrs old
7%
18-34 yrs old
40%
35-64 yrs old
37%
65+ yrs old

What do the neighbors do for fun?

  • PGA/LPGAPGA/LPGA
  • Skiing/snowboardingSkiing/snowboarding
  • Figure SkatingFigure Skating

Where do the neighbors shop?

  • Stein MartStein Mart
  • BJs Wholesale ClubBJs Wholesale Club
  • Express/Express For MenExpress/Express For Men

Where do the neighbors go to eat?

  • Bob EvansBob Evans
  • PaneraPanera
  • Cracker BarrelCracker Barrel

What do the neighbors drive?

  • LincolnLincoln
  • InfinitiInfiniti
  • LexusLexus

What do the neighbors listen to?

  • News/Talk/InformationNews/Talk/Information
  • Adult HitsAdult Hits
  • OldiesOldies
All data provided by Home Junction and Claritas

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Frequently asked questions

About 391 Sea View Ave

The listing price of 391 Sea View Ave property is $15,000,000.

The property 391 Sea View Ave is a house located in Osterville, Massachusetts, 02655.

Active Listing: 391 Sea View Ave is For Sale (Active/New) which means the seller is accepting offers.

The nearby schools for 391 Sea View Ave are: Centerville Elementary School (GreatSchools Rating 6/10), Barnstable United Elementary School (GreatSchools Rating 4/10), West Villages Elementary School (GreatSchools Rating 8/10), Barnstable Intermediate School (GreatSchools Rating 5/10), Mattacheese Middle School (GreatSchools Rating 4/10), Morse Pond School (GreatSchools Rating 7/10), Barnstable High School (GreatSchools Rating 4/10), Sturgis Charter Public School (GreatSchools Rating 9/10), Mashpee High School (GreatSchools Rating 6/10).

According to the records, the last property tax for 2024 is $86,649 (source: MLS/based on county public records data).

The property at 391 Sea View Ave has 4 bedrooms and 4 full and 3 half bathrooms.

The year of construction for 391 Sea View Ave is 2020.

This home is located at 391 Sea View Ave in Osterville, MA and zip code 02655. Features: 4 bedrooms, 7 bathrooms. It has been listed on Rocket Homes since July 2, 2025 and is currently priced at $15,000,000.

In June 2025, from all listings sold in Osterville, MA there were more than 0 sold above asking price, over 2 sold below and more than 0 were sold right at the asked price. The inventory of homes for sale in Osterville, MA between May and June 2025 decreased by 17%. While the average time on the market in June 2025 was 16 days, the median list price was $1,150,000.

From Rocket Homes Real Estate and based on county public records data.

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