12 Cockachoiset Lane Osterville, MA $ 2,950,000
12 Cockachoiset Lane
$ 2,950,000
Open House 10/10 11am - 12:30pm
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12 Cockachoiset Lane

Osterville, MA, 02655
$ 2,950,000
Bedrooms3 Baths3.0 Sq 3,178

Monthly Estimate*

$ 20,375

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Single Family Home for sale in Osterville, MA

for $2,950,000 with 3 bedrooms and 3 full baths. This 3,178 square foot home was built in 1858 on a lot size of 0.27.

Located in the heart of Osterville - one of Cape Cod's most desirable seaside villages along Nantucket Sound - 12 Cockachoiset, known as the iconic ''Windmill House,'' offers a distinctive blend of coastal charm and architectural character. Recognized for its unique two-story windmill adorned with seaside murals, the home features a balcony with water views and serves as a memorable focal point of this special property. The main living spaces are designed for comfort and gathering, highlighted by a generous great room with a custom fireplace that opens to a covered patio and private side yard. A well-appointed kitchen adjoins the dining room, while the first floor also includes a bedroom with attached sitting room, laundry, and multiple inviting outdoor living areas. Upstairs, the primary suite is anchored by its own fireplace, private bath, and walk-in closet. An additional sitting room with balcony access and a third bedroom complete the second level, offering flexible space for guests and relaxation. Ideally located just moments from Osterville Village, this property enjoys close proximity to boutiques, dining, and nearby beaches, while also being near some of the area's most renowned marinas, including Nauticus Marina, Crosby Yacht Yard, and Oyster Harbors Marine - offering convenient access to premier boating and waterfront amenities. The adjacent property at 30 Cockachoiset Lane is also available for sale (MLS 22601972). Together, the properties offer a rare opportunity to create a side-by-side coastal compound, with a demonstrated history of significantly strong, high-value rentals and private gatherings.

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Open House

10/10/2026 11:00 AM - 12:30 PM
12 Cockachoiset Lane Osterville, MA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 2,950,000

Bedrooms

3

Full Bath

3

Property Type

Single Family

Taxes

$ 23,604

Style

Other

Lot Size

0.27

Year Built

1858

Town/City

Osterville

County/Region

Barnstable

MLS | Web ID

22601973

Features
General
Heating Natural Gas
Cooling Central Air
Roof Shingle
Appliances Dishwasher Microwave Gas Range Water Heater
Garage Spaces 2
Patio/Porch Features Deck Patio
Architectural Style Other
Construction Materials Shingle Siding
Year Built 1858
Stories Count 2
Property Subtype Single Family Residence
Tax Year 2026
Waterfront Features Waterview
County Barnstable
Property Type Residential
Attached Garage false
Garage Y/N true
Total Rooms 7
Full Baths 3
Status Active
Directions Bridge Street to Cockachoiset Lane
City Osterville
MLS Area Barnstable
Lot Size Units Acres
Lot Size Square Feet 11761
Tax Annual Amount 23604
Showing Instructions Robert Kinlin 508.648.2739 rkinlin@robertpaul.com or Donna Aucoin 508.737.0465 daucoin@robertpaul.com. Please give 24-48 hours notice for showings. Best times are 11am-2:30pm.
Building Area Units Square Feet
Standard Status Active
Tax Assessed Value 2894800
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Interior
Interior Amenities Pantry Walk-In Closet(s)
Basement Full
Flooring Wood
Total Fireplaces 2
Air Conditioning Y/N true
Heating Y/N true
Half Baths 0
Laundry Features Electric Dryer Hookup Washer Hookup
Total Bedrooms 3
Total Baths 3
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Exterior
Exterior Amenities Outdoor Shower
Parking Features Detached Garage Door Opener Storage Off Street Gravel
Lot Features Cleared Level Views
Water Source Public
Total Parking 2
Lot Size Area 0.27
Building Area Total 3178
Lot Size Acres 0.27
Waterfront Y/N false
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* Excluded Features
List By
Robert B Kinlin

Listing Agent

Berkshire Hathaway Homeservices Robert Paul Properties

Broker

rkinlin@robertpaul.com

Email

Affordability Calculator

$22,342
Per Month
91%
9%
0%
Monthly Principal & Interest
$20,375
Monthly Property Taxes
$1,967
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
0 Elementary School
0 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
8/11/2026$2,950,000 Listed Price

Map


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12 Cockachoiset Lane, Osterville, MA, 02655 is a Single Family Home for sale at $2,950,000 with 3,178 sqft and a lot size of 0.27. 12 Cockachoiset Lane has 3 bedrooms, 3.0 baths, and was built in 1858. The property's zip code is 02655 which is in Osterville, MA