643 Main Street, Harwich, MA 02645

bedrooms 6
bathrooms 3
|House
AUD $1,870,155
USD $1,299,000
Published on: 28 Jul 2026
Last updated on: 16 Sep 2026
643 Main Street, Harwich, MA 02645
643 Main Street, Harwich, MA 02645
643 Main Street, Harwich, MA 02645
+44
643 Main Street, Harwich, MA 02645
  • 44
Property ID: 110109549070
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Residential, Harwich, MA

643 Main Street, Harwich, MA 02645
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 automotive repair 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!

Property Details

Basic Info

Property Type
House
Listing Status
Active
Land Size
5,787.01 m2
Building Size
266.82 m2
Year Built
1919
Rooms
6 bedroom(s), 3 bathroom(s)
Num Floors
2
County
Barnstable
Parcel ID
HARW M:40 B: L:E4-0
Provider
Cape Cod & Islands Association of REALTORS®, Inc.
Brokerage Office Name
MA Realty Partners LLC, DBA Keller Williams Realty, Mid Upper Cape Cod
Brokerage Office Phone
508-534-7200
Neighbourhoods
Harwich
Address
643 Main Street, Harwich, MA 02645

Tax History

YearTax amount
2026USD $5664AUD $8,154*

*Converted price in your currency provided by Open Exchange Rates. Exchange rates are subject to continuous change. Neither realestate.com.au nor its affiliates guarantee that the conversion reflects current conversion rates and are not responsible for any inaccuracies. realestate.com.au recommends that you independently verify any information before relying on it.

Contact Agent
Richard J Waystack
Keller Williams Realty
1600 Falmouth Rd., Suite 2 , Centerville, MA 02632
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Richard J Waystack
1600 Falmouth Rd., Suite 2 , Centerville, MA 02632
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      Property ID: 110109549070

      Original Property ID: 3yd-CCIAORMA-22603623
      Data provided by Cape Cod & Islands Association of REALTORS®, Inc., MLS #: 22603623
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      Copyright © 2026 Cape Cod & Islands Association of REALTORS®, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.