643 Main StreetHarwich, MA 02645MLS Number 22603623

  • Price: $1,399,000
  • Est. Mortgage of $/month
  • 2 Days on Market
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Federal 30-year interest rate: 6.58% last updated on Jul 23, 2026
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  • 6Bedrooms
  • 1.43Acreage
  • 3Bathrooms
  • 1919Year Built
New Seabury Sotheby's International Realty

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New Seabury Sotheby's International Realty
Office: 508.477.8300
12 Mallway
Mashpee, MA 02649
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!

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Driving Directions

Listed by Richard J Waystack of Keller Williams Realty

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Location Information

  • Directions Main St. between South and Sisson

Parking

  • Parking Features
    • Detached
    • Direct Access
    • Driveway
    • Garage Door Opener
    • Heated Garage
    • Paved
    • Storage
  • Parking Spaces8

Location

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

Exterior

  • Exterior Features Garden
  • RoofAsphalt

Property Information

  • Lot Size Square Feet 62,291
  • Lot Size Units Acres
  • Square Feet2,872

Basic Information

  • Lot Features Cleared, Level
  • Mls Area Major Harwich
  • Mls Status Active
  • Parcel Number HARW M:40 B: L:E4-0

Basic Information

  • List Price$1,399,000
  • MLS Number22603623
  • Modification Date07/28/2026
  • Property SubTypeSingle Family Residence

Property

  • Acreage1.43

Interior

  • Flooring Wood, Tile, Carpet
  • Interior Features HU Cable TV, Recessed Lighting, Kitchen Island

Utilities

  • Cooling YN Yes
  • Heating Oil
  • Heating YN Yes
  • Water Source Public

Other

  • Date Listed07/27/2026

Tax Information

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

Rooms

  • Bathroom3
  • Bathrooms Total Decimal 3
  • Bedrooms6
  • Full Bath3
  • Laundry Features Electric Dryer, Electric Dryer Hookup, Washer Hookup, Laundry Room

Building

  • BasementFull
  • Building Area Units Square Feet
  • Construction Materials Shingle Siding
  • Fireplaces Total 1
  • GarageYes
  • Patio And Porch Features Patio, Porch
  • Rooms11
  • Year Built1919

Amenities

  • Appliances IncludedDishwasher, Microwave, Electric Range, Refrigerator, Washer, Water Heater
  • Other AmenitiesBasement, Fireplace, Garden

broker reciprocity 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 New Seabury Sotheby's International Realty are marked with the BR Logo and detailed information about them includes the name of the listing broker. Neither the listing broker nor New Seabury Sotheby's International Realty shall be responsible for any typographical errors, misinformation, or misprints and shall be held totally harmless.

This site was last updated July 28, 2026 7:54 AM UTC. All properties are subject to prior sale, changes, or withdrawal.

New Seabury Sotheby's International Realty 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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