643 Main StreetHarwich, MA 02645MLS Number 73555500

  • Price: $1,399,000
  • Est. Mortgage of $/month
  • 1 Day on Market
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Federal 30-year interest rate: 6.58% last updated on Jul 23, 2026
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643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645643 Main Street Harwich MA 02645
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  • 6Bedrooms
  • 1.43Acreage
  • 3Bathrooms
  • 1919Year Built

Driving Directions

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!

Open Houses

July 31st
Starts: 4:00pm
Ends: 5:30pm
August 1st
Starts: 11:00am
Ends: 12:30pm
August 2nd
Starts: 11:00am
Ends: 12:30pm
Listed by Richard J. Waystack of Keller Williams Realty

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More Info

Basic Information

  • Bedrooms6
  • Mls StatusNew
  • Bathroom3
  • Lot Features Cleared, Level
  • Parcel Number M:0040 B:0000 L:00E40,2334131
  • Road Frontage DescriptionPaved

Basic Information

  • List Price$1,399,000
  • MLS Number73555500
  • Modification Date07/27/2026
  • Property SubTypeSingle Family Residence

Building

  • BasementFull, Interior Entry, Bulkhead
  • Building Area Units Square Feet
  • Construction Materials Frame
  • FireplaceYes
  • Fireplace Features Family Room
  • Fireplaces Total 1
  • FoundationBlock
  • Foundation Area 1392
  • Garage Spaces2
  • Property StyleCape
  • Rooms11
  • Utilities For Electric Range, For Electric Dryer, Washer Hookup
  • Year Built1919
  • Year Built Details Approximate
  • Year Built Source Public Records

Amenities

  • AmenitiesGolf, Bike Path, Conservation Area, House of Worship, Public School
  • Appliances IncludedElectric Water Heater, Water Heater, Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer

Tax Information

  • Tax Assessed Value $974,800
  • Tax Year 2026
  • Taxes$5,664

Parking

  • Parking Spaces10
  • Covered Spaces 2
  • Garage YN Yes
  • Open Parking YN Yes
  • Parking Features
    • Detached
    • Garage Door Opener
    • Heated Garage
    • Off Street
    • Paved
    • Workshop in Garage

Location

  • Address643 Main Street
  • Building Number643
  • CountyBarnstable
  • StateMA
  • StreetMain Street
  • TownHarwich
  • Zip02645

Property

  • Acreage1.43

Interior

  • Flooring Wood, Tile, Carpet, Flooring - Wood, Flooring - Wall to Wall Carpet
  • Interior Features Bathroom - Full, Dining Area, Home Office, Accessory Apt.

Property Information

  • Square Feet2,872
  • Building Area Source Public Records
  • Living Area 2,872
  • Lot Size Square Feet 62,291
  • Lot Size Units Acres

Legal

  • ZoningR

Other

  • Date Listed07/27/2026
  • Farm Land Area Units Square Feet

School Information

  • High School Monomoy Reg Hs
  • Elementary SchoolHarwich Elem School
  • High SchoolMonomoy Regional
  • Junior HighMonomoy Reg Ms

Rooms

  • Bathroom 1 First,11.7 x 5.4
  • Bathroom 2 Second,6.9 x 8.4
  • Bathrooms Total Decimal 3
  • Bedroom 2 Second,14 x 11.2
  • Bedroom 3 Second,10.3 x 11.11
  • Bedroom 4 Second,9.4 x 8.4
  • Bedroom 5 Second,9.1 x 9.3
  • Dining Room First,10.8 x 11.7
  • Family Room First,21.8 x 27.3
  • Full Bath3
  • Kitchen First,16.5 x 11.7
  • Living Room First,18.6 x 11.6
  • Master Bedroom First,11.7
  • Office First,9.1 x 11.6

Exterior

  • RoofShingle

Utilities

  • Cooling Window Unit(s)
  • Cooling YN Yes
  • Electric 110 Volts, Circuit Breakers
  • Heat SystemYes
  • Heating Baseboard, Oil
  • Sewer Private Sewer
  • Water Source Public

Water Body

  • Waterfront Features Ocean, Beach Ownership(Public)

Your Local Office

Real Brokerage

617-293-8070
MA
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The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. 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. MLSPIN 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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