30 Cockachoiset Lane Osterville, MA $ 3,900,000
30 Cockachoiset Lane
$ 3,900,000
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30 Cockachoiset Lane

Osterville, MA, 02655
$ 3,900,000
Bedrooms4 Baths4.1 Sq 4,241

Monthly Estimate*

$ 24,013

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Single Family Home for sale in Osterville, MA

for $3,900,000 with 4 bedrooms and 4 full baths, 1 half bath. This 4,241 square foot home was built in 1890 on a lot size of 0.6.

Defined by its water views, generous grounds, and multiple outdoor living spaces, 30 Cockachoiset (''Dillon House'') offers a welcoming coastal retreat designed for gathering, entertaining, and enjoying life by the water. The main level is thoughtfully designed with an open floor plan anchored by a well-equipped kitchen that flows seamlessly into a sun-filled breakfast nook and sitting area, framed by walls of windows overlooking the water. Additional highlights include a living room with fireplace, formal dining room with custom built-ins, and a screened sunroom that invites indoor-outdoor living. The first-floor primary suite offers a private retreat with its own fireplace, water views, walk-in closet, and a spacious bath. Upstairs, three bedrooms and multiple decks capture water vistas, while a third-floor bonus room provides flexible space for additional living or guests. A separate family room with fireplace and full bath, privately situated above the primary suite, offers an ideal accommodation for extended family or visitors. Ideally situated alongside some of Osterville's premier boating facilities-including Nauticus Marina, Crosby Yacht Yard, and Oyster Harbors Marine-this location is particularly appealing for boating enthusiasts, offering convenient access to full-service docking and care. Just moments from Osterville Village, beaches, and waterfront dining, the property captures the essence of Cape Cod living in a highly sought-after setting. Also available for sale is the abutting property at 12 Cockachoiset Lane (MLS 22601973), presenting a unique opportunity to establish a flexible coastal compound, with a proven track record of premium weekly rentals and hosting memorable private events.

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Single Family Active

Price

$ 3,900,000

Bedrooms

4

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 31,281

Style

Other

Lot Size

0.6

Year Built

1890

Town/City

Osterville

County/Region

Barnstable

MLS | Web ID

22601972

Features
General
Sewer Private Sewer
Cooling Central Air
Roof Shingle
Appliances Electric Water Heater
Zoning Rc;Mb-
Garage Spaces 1
Patio/Porch Features Deck Screened Porch Patio
Architectural Style Other
Construction Materials Shingle Siding
Year Built 1890
Stories Count 2
Township Barnstable
Property Subtype Single Family Residence
Tax Year 2026
Community Features Marina
County Barnstable
New Construction false
Property Type Residential
HOA false
Attached Garage false
Garage Y/N true
Total Rooms 11
Full Baths 4
Status Active
Directions Bridge Street to Cockachoiset Lane
City Osterville
High School District Barnstable
Lot Size Units Acres
Lot Size Square Feet 26136
Carport Y/N false
Property Attached Y/N false
Land Lease Y/N false
Tax Annual Amount 31281
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
Virtual Tour https://www.zillow.com/view-imx/8e9b5dcb-9791-4299-869e-764515bf5aa6?setAttribution=mls&wl=true&initialViewType=pano&utm_source=dashboard https://www.zillow.com/view-imx/8e9b5dcb-9791-4299-869e-764515bf5aa6?setAttribution=mls&wl=true&initialViewType=pano&utm_source=dashboard
Building Area Units Square Feet
Primary Bedroom Level First
Living Area Units Square Feet
Standard Status Active
Middle/Junior School District Barnstable
Elementary School District Barnstable
Tax Assessed Value 3836300
Waterview Y/N Bay/Harbor
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Interior
Interior Amenities Pantry
Flooring Wood
Total Fireplaces 3
Kitchen Level First
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Half Baths 1
Total Bedrooms 4
Living Room Level First
Below Grade Finished Area Unit Type Square Feet
Kitchen Features Pantry View Built-in Features
Total Baths 5
Primary Bathroom Features Private Full Bath
Bedroom 4 Features Private Full Bath Balcony View Built-in Features Closet
Bedroom 3 Features Walk-In Closet(s)
Bedroom 2 Features Walk-In Closet(s) View
Dining Room Features View Built-in Features
Kitchen Description Flooring: Wood
Primary Bedroom Features Closet Walk-In Closet(s) View
Dining Room Level First
Bedroom 4 Level Second
Bedroom 3 Level Second
Second Bedroom Level Second
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Exterior
Exterior Amenities Outdoor Shower
Fencing Partial
Lot Features In Town Location School House of Worship Near Golf Course Shopping Marina Cleared Level
Total Parking 3
Lot Size Area 0.6
Foundation Details Block
Building Area Total 4241
Lot Size Acres 0.6
Road Surface Type Paved
Lot Size Source Assessor
Waterfront Y/N false
Door Features French Doors French
Road Frontage Type Private Road
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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

$26,620
Per Month
90%
10%
0%
Monthly Principal & Interest
$24,013
Monthly Property Taxes
$2,607
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.
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Nearby
4795841 Elementary School
4795840 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
5/5/2026$3,900,000 Listed Price

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30 Cockachoiset Lane, Osterville, MA, 02655 is a Single Family Home for sale at $3,900,000 with 4,241 sqft and a lot size of 0.6. 30 Cockachoiset Lane has 4 bedrooms, 4.1 baths, and was built in 1890. The property's zip code is 02655 which is in Osterville, MA