643 Main Street
Harwich, MA, 02645
$1,399,000
6 Beds
3 Baths
2,872 SqFt
1.43 Acres
Add
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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 #:
22603623
Status:
Active
Beds:
6
Baths:
3
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
harwich
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
HarwichHarwich

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Schools

Interior

Appliances
Dishwasher, Microwave, Electric Range, Refrigerator, Washer, Water Heater
Bathrooms
3 Full Bathrooms
Fireplaces Total
1
Flooring
Wood, Tile, Carpet
Heating
Oil
Interior Features
HU Cable TV, Recessed Lighting, Kitchen Island
Laundry Features
Electric Dryer, Electric Dryer Hookup, Washer Hookup, Laundry Room

Exterior

Construction Materials
Shingle Siding
Exterior Features
Garden
Garage Spaces
2
Lot Features
Cleared, Level
Parking Features
Detached, Direct Access, Garage Door Opener, Heated Garage, Storage, Driveway, Paved
Parking Spots
8
Parking Total
8
Patio And Porch Features
Patio, Porch
Roof
Asphalt
Stories
2

Financial

Tax Year
2026
Taxes
$5,664

Map

Community

Market Summary

Current real estate data for Single Family in Harwich as of Aug 01, 2026
32
Single Family Listed
95
Avg DOM
539
Avg $ / SqFt
$1,430,078
Avg List Price

Property Summary

    643 Main Street 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 $539. The average listing price for Single Family in Harwich is $1,430,078. To schedule a showing of MLS#22603623 at 643 Main Street in Harwich, MA, contact your Pleasant Bay Realty agent at (774) 209-1428.

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