12 Cockachoiset Lane
Osterville, MA, 02655 $ 2,950,000
Bedrooms3 Baths3.0 Sq 3,178 Monthly Estimate*
$ 18,164
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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FeaturesGeneralSewer Private Sewer
Cooling Central Air
Roof Shingle
Appliances Dishwasher Gas Range Microwave Electric Water Heater
Zoning R
Garage Spaces 2
Patio/Porch Features Deck Patio
Architectural Style Other
Construction Materials Shingle Siding
Year Built 1858
Stories Count 2
Township Barnstable
Property Subtype Single Family Residence
Tax Year 2026
County Barnstable
New Construction false
Property Type Residential
HOA false
Attached Garage false
Garage Y/N true
Total Rooms 7
Full Baths 3
Status Active
Directions Bridge Street to Cockachoiset Lane
City Osterville
High School District Barnstable
Lot Size Units Acres
Lot Size Square Feet 11761
Carport Y/N false
Property Attached Y/N false
Land Lease Y/N false
Tax Annual Amount 23604
Showing Instructions Robert Kinlin 508.648.2739 rkinlin@robertpaul.com or Donna Aucoin 508.737.0465 daucoin@robertpaul.com.
Home Warranty Y/N false
Property Condition Updated/Remodeled Actual
Building Area Units Square Feet
Primary Bedroom Level Second
Living Area Units Square Feet
Standard Status Active
Middle/Junior School District Barnstable
Elementary School District Barnstable
Tax Assessed Value 2894800
Waterview Y/N Bay/Harbor
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InteriorInterior Amenities Pantry
Basement Bulkhead Access Full Cape Cod
Flooring Wood
Total Fireplaces 2
Kitchen Level First
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Half Baths 0
Laundry Features Laundry Areas First Floor
Total Bedrooms 3
Living Room Level First
Below Grade Finished Area Unit Type Square Feet
Kitchen Features Pantry
Total Baths 3
Primary Bathroom Features Private Full Bath
Living Room Features Beamed Ceilings
Bedroom 3 Features Closet
Bedroom 2 Features Closet Built-in Features
Kitchen Description Flooring: Wood
Primary Bedroom Features Closet Walk-In Closet(s) View Office/Sitting Area
Dining Room Level First
Bedroom 3 Level First
Second Bedroom Level Second
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ExteriorExterior Amenities Outdoor Shower
Fencing Fenced
Lot Features In Town Location School House of Worship Near Golf Course Shopping Marina Cleared Level
Total Parking 2
Lot Size Area 0.27
Foundation Details Poured
Building Area Total 3178
Lot Size Acres 0.27
Road Surface Type Paved
Lot Size Source Assessor
Waterfront Y/N false
Road Frontage Type Private Road
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* Excluded FeaturesList ByRobert B KinlinListing Agent
Berkshire Hathaway Homeservices Robert Paul PropertiesBroker
rkinlin@robertpaul.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $18,164
- Monthly Property Taxes
- $1,967
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% 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.
Learn more about how to save NearbySingle family listings in Osterville, MA
Average List Price $3,657,226
Percent of Sale Price 24%
About Osterville, MA 3,556 Population
-11% Since 2002
$ 73,497 Median Income
54.53 Median Age
14% Households with Children
Trends Information provided by ATTOM Data Solutions.
4795841 Elementary School
4795840 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 5/5/2026 | $2,950,000 | | Listed Price |