12 Cockachoiset LaneBarnstable, MA 02655MLS Number 22601973

  • Price: $2,950,000
  • Est. Mortgage of $/month
  • 10 Days on Market
$
$
%
$/month over payments
Federal 30-year interest rate: 6.37% last updated on May 7, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • 3Bedrooms
  • 0.27Acreage
  • 3Bathrooms
  • 1858Year Built
New Seabury Sotheby's International Realty
New Seabury Sotheby's International Realty
Office: 508.477.8300
12 Mallway
Mashpee, MA 02649
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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Listed by Robert B Kinlin of Berkshire Hathaway HomeServices Robert Paul Properties (rkinlin@robertpaul.com)

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Location Information

  • Directions Bridge Street to Cockachoiset Lane

School Information

  • High School DistrictBarnstable

Rooms

  • Bathroom3
  • Bathrooms Total Decimal 3
  • Bedrooms3
  • Full Bath3
  • Laundry Features Laundry Areas, First Floor
  • Room Bedroom 2 Features Closet, Built-in Features
  • Room Master Bathroom Features Private Full Bath
  • Room Master Bedroom Features Closet, Walk-In Closet(s), View, Office/Sitting Area

Interior

  • Flooring Wood
  • Interior Features Pantry
  • Room Bedroom 2 Description Flooring: Wood

Property Information

  • Living Area Units Square Feet
  • Lot Size Square Feet 11,761
  • Lot Size Units Acres
  • Property Condition Updated/Remodeled, Actual
  • Square Feet3,178

Basic Information

  • Lot Features
    • Cleared
    • House of Worship
    • In Town Location
    • Level
    • Marina
    • Near Golf Course
    • School
    • Shopping
  • Mls Status Active
  • Parcel Number OSTE M:116 L:012
  • Road Frontage DescriptionPaved

Location

  • Address12 Cockachoiset Lane
  • Building Number12
  • CountyBarnstable
  • StateMA
  • StreetCockachoiset Lane
  • TownBarnstable
  • Zip02655

Property

  • Acreage0.27

Exterior

  • Exterior Features Outdoor Shower
  • Fencing Fenced
  • RoofShingle

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heating YN Yes
  • Sewer Private Sewer

Other

  • Date Listed05/05/2026
  • Nitrogen Sensitive AreaYes
  • View Count2

Tax Information

  • Tax Assessed Value $2,894,800
  • Tax Year 2026
  • Taxes$23,604

Parking

  • Parking Spaces2

Basic Information

  • List Price$2,950,000
  • MLS Number22601973
  • Modification Date05/06/2026
  • Property SubTypeSingle Family Residence

Building

  • BasementBulkhead Access, Full, Cape Cod
  • Building Area Units Square Feet
  • Construction Materials Shingle Siding
  • Fireplace YN Yes
  • Fireplaces Total 2
  • FoundationPoured
  • GarageYes
  • Patio And Porch Features Deck, Patio
  • Property StyleOther
  • Rooms7
  • Year Built1858

Amenities

  • Appliances IncludedDishwasher, Gas Range, Microwave, Electric Water Heater
  • Other AmenitiesBasement, Fireplace, Golf, Waterfront, Water View

broker reciprocity The 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. Summary or thumbnail real estate listings held by brokerage firms other than New Seabury Sotheby's International Realty are marked with the BR Logo and detailed information about them includes the name of the listing broker. Neither the listing broker nor New Seabury Sotheby's International Realty shall be responsible for any typographical errors, misinformation, or misprints and shall be held totally harmless.

This site was last updated May 14, 2026 1:52 PM EDT. All properties are subject to prior sale, changes, or withdrawal.

New Seabury Sotheby's International Realty has chosen to display only certain towns and/or types or styles of properties. This site may not show all listings that are available through the Cape Cod & Islands Multiple Listing Service, Inc.

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