A rare opportunity in Harwich Center! Set on approximately 1.5 acres, this one-of-a-kind property offers endless possibilities with a main home, a separate ADU with its own private driveway, and a detached mixed-use garage. With a total of 6 bedrooms, it's ideal for multigenerational living, extended family, or guests, while the ADU also provides excellent rental history. The detached garage offers incredible flexibility for a business, workshop, storage, hobby space, or additional rental opportunity, with plenty of room for vehicles, bikes, and tools. Outside, enjoy a beautifully landscaped backyard with multiple sheds ready to become a man cave, she shed, home bar, art studio, or your own private retreat around the fire pit. Properties offering this much space, versatility, and potential rarely come to market in Harwich Center. Don't miss your chance to make this truly unique property yours!

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 Premier Commercial are marked with the BR Logo and detailed information about them includes the name of the listing broker. Neither the listing broker nor Premier Commercial shall be responsible for any typographical errors, misinformation, or misprints and shall be held totally harmless.

This site was last updated July 28, 2026 7:24 AM UTC. All properties are subject to prior sale, changes, or withdrawal.

Premier Commercial 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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Property Details of 643 Main Street

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Exterior Features

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