$1,399,000
643 Main St
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 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
Price:
$1,399,000
MLS #:
73555500
Status:
Active
Beds:
6
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Listed Date:
Jul 27, 2026
Finished Sq Ft:
2,872
Total Sq Ft:
2,872
Lot Size:
62,291 sqft / 1.43 acres (approx)
Year Built:
1919
Schools
Elementary School:
Harwich Elem School
Middle School:
Monomoy Reg Ms
High School:
Monomoy Reg Hs
Interior
Above Grade Finished Area
2872
Appliances
Electric Water Heater, Water Heater, Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
Bathrooms
3 Full Bathrooms
Cooling
Window Unit(s)
Fireplaces Total
1
Flooring
Wood, Tile, Carpet, Flooring – Wood, Flooring – Wall to Wall Carpet
Heating
Baseboard, Oil
Interior Features
Bathroom – Full, Dining Area, Home Office, Accessory Apt.
Laundry Features
First Floor, Electric Dryer Hookup, Washer Hookup
Exterior
Architectural Style
Cape
Community Features
Golf, Bike Path, Conservation Area, House of Worship, Public School
Construction Materials
Frame
Covered Spaces
2
Garage Spaces
2
Lot Features
Cleared, Level
Open Parking Spaces
8
Open Parking YN
1
Parking Features
Detached, Garage Door Opener, Heated Garage, Workshop in Garage, Off Street, Paved
Parking Spots
10
Parking Total
10
Roof
Shingle
Waterfront Features
Ocean, Beach Ownership(Public)
Financial
Tax Year
2026
Taxes
$5,664
Marie Andrews is an award-winning, licensed real estate broker with licenses in Massachusetts and Florida. She has been selling real estate in the greater Boston area for over 20 years. Over the past two decades, Marie has worked for Century 21 Advanced Realty, building a reputation as a multi-million dollar producer. She has developed an extensive network of investors, lenders, and attorneys. Marie has a wide knowledge base on property management, Massachusetts real estate law, and building…
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Map
Current real estate data for Single Family in Harwich as of Jul 31, 2026
43
Single Family Listed
159
Avg DOM
605
Avg $ / SqFt
$1,620,414
Avg List Price
Community
- Address643 Main St Harwich MA
- CityHarwich
- CountyBarnstable
- Zip Code02645
Subdivisions in Harwich
Similar Listings Nearby
Property Summary
- 643 Main St Harwich MA is a Single Family for sale in Harwich, MA, 02645. It is listed for $1,399,000 and features 6 beds, 3 baths, and has approximately 2,872 square feet of living space, and was originally constructed in 1919. The current price per square foot is $487. The average price per square foot for Single Family listings in Harwich is $605. The average listing price for Single Family in Harwich is $1,620,414. To schedule a showing of MLS#73555500 at 643 Main St in Harwich, MA, contact your Pegasus Realty LLC agent at 781-858-3505.
Courtesy of William Raveis Harwich Port. The property listing data and information 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 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 set forth herein.
643 Main St
Harwich, MA