4390 Main Barnstable, MA ^$ 4,975,000

4390 Main

^$ 4,975,000

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4390 Main

Barnstable, MA, 02637

^$ 4,975,000

Bedrooms6 Baths3.2 Sq 5,442

Monthly Estimate*

^$ 31,038

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Single Family Home for sale in Barnstable, MA

for $4,975,000 with 6 bedrooms and 3 full baths, 2 half baths. This 5,442 square foot home was built in 1994 on a lot size of 3.81.

WATERFRONT ESTATE – Offered for the first time in 25 years, this rare Cape Cod retreat blends classic coastal architecture with modern refinement. Built in 1994 and refreshed with new siding and a Red Cedar roof (August 2025), the home offers 6 bedrooms and 5 baths. A chef’s kitchen with Viking professional gas range, Sub-Zero refrigerator, and center island with prep sink flows seamlessly into the sun-filled living room, dining area, and waterfront sunroom. The main residence includes a 2-car garage and full basement, while a versatile guest house with its own 2-car garage and striking fieldstone fireplace invites endless possibilities as a two-bedroom retreat, artist’s studio, game room, or workshop. Set on 3.8 private acres, the estate features a heated in-ground pool, landscaped grounds, and direct access to tidal waters. More than a residence, it is a private Cape Cod sanctuary offering beauty, privacy, and an unparalleled coastal lifestyle. Some photos virtually staged.

Single Family Active

Price

^$ 4,975,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 27,742

Style

Lot Size

3.81

Year Built

1994

Town/City

Barnstable

County/Region

Barnstable

MLS | Web ID

73426596

List By

Robert MacKinnon

Listing Agent

Exp Realty

Broker

Affordability Calculator

$33,349

Per Month

Monthly Principal & Interest: $31,038
Monthly Property Taxes: $2,312
Monthly Home Insurance: --

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Default based on a 30-year fixed rate of 6.375% 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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Trends

Single family listings in Barnstable, MA

Average List Price ^$2,687,666

Percent of Sale Price 46%

About Barnstable, MA

45,501 Population

-5% Since 2002

^$64,834 Median Income

49.53 Median Age

21% Households with Children

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Trends Information provided by ATTOM Data Solutions.

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Pricing History

Date	Price	Price Change	Description
9/21/2025	$4,975,000	-0.50%	Price Down
9/5/2025	$5,000,000		Listed Price

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4390 Main, Barnstable, MA, 02637 is a Single Family Home for sale at $4,975,000 with 5,442 sqft and a lot size of 3.81. 4390 Main has 6 bedrooms, 3.2 baths, and was built in 1994. The property's zip code is 02637 which is in Barnstable, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.375% 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.

Data is updated as of 12/27/2025.

The real estate information and related content displayed on this site is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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4390 Main

Single Family Home for sale in Barnstable, MA

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