643 Main St, Harwich, MA 02645

Harwich
Local realty services provided by:ERA Key Realty Services
643 Main St,Harwich, MA 02645
$1,299,000
  • 6 Beds
  • 3 Baths
  • 2,872 sq. ft.
  • Single family
  • Active
Listed by: richard j. waystack
Office: keller williams realty
MLS#:73555500
Source:MLSPIN

Price summary

  • Price:$1,299,000
  • Price per sq. ft.:$452.3

About this home

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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Home facts

  • Year built:1919
  • Listing ID #:73555500
  • Updated:September 18, 2026 at 11:32 AM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:3
  • Full bathrooms:3
  • Rooms Total:11
  • Flooring:Carpet, Flooring - Wall to Wall Carpet, Flooring - Wood, Tile, Wood
  • Dining Description:Dining Area, Wall to Wall Carpet
  • Bathrooms Description:Bathroom - Full
  • Kitchen Description:Cabinets - Upgraded, Dishwasher, Flooring - Wood, Kitchen Island, Microwave, Range, Recessed Lighting, Refrigerator
  • Basement Description:Bulkhead, Full, Interior Entry
  • Living area:2,872 sq. ft.

Heating and cooling

  • Cooling:Window Unit(s)
  • Heating:Baseboard, Oil

Structure and exterior

  • Roof:Shingle
  • Year built:1919
  • Building area:2,872 sq. ft.
  • Lot area:1.43 Acres
  • Lot Features:Cleared, Level
  • Architectural Style:Cape
  • Construction Materials:Frame
  • Foundation Description:Block

Schools

  • High school:Monomoy Reg Hs
  • Middle school:Monomoy Reg Ms
  • Elementary school:Harwich Elem School

Utilities

  • Water:Public
  • Sewer:Private Sewer

Finances and disclosures

  • Price:$1,299,000
  • Price per sq. ft.:$452.3
  • Tax amount:$5,664 (2026)

Features and amenities

  • Appliances:Dishwasher, Dryer, Microwave, Range, Refrigerator, Washer
  • Laundry features:Dryer, Electric Dryer Hookup, First Floor, Washer, Washer Hookup

Parking

  • Total parking spaces:10
  • Parking description:Detached, Garage Door Opener, Heated Garage, Off Street, Paved, Workshop in Garage
  • Garage:Yes
  • Garage spaces:2
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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