LKV Realty
Logo
$1,399,000
$6,000Reward *
643 Main St, Harwich, MA 02645Listing ID 73555500

643 Main St, Harwich, MA 02645

Active
Time on site: 17 daysLast updated: Jul 31, 2026
Property Type
Property Type
Residential
Property Sub Type
Property Sub Type
Single Family Residence
Bedrooms
Bedrooms
6
Bathrooms
Bathrooms
3
Square Feet
Square Feet
2,872
Acres
Acres
1.43
Days on Site
Days on Site
17
Cooling
Cooling
Window Unit(s)
Heating
Heating
Baseboard, Oil
Year Built
Year Built
1919
Garages
Garages
2
Parking
Parking
Detached, Garage Door Opener, Heated Garage, Workshop in Garage, Off Street, Paved

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 Information

Property Details

Location

Address
643 Main St
County
Barnstable
City
Harwich
Zip Code
02645
High School
Monomoy Reg Hs
Elementary School
Harwich Elem School

Interior Features

Beds and Baths

Bedrooms
6
Full Bathrooms
3

Building

Building Information

Square Feet
2,872
Year Built
1919
Construction
Frame
Foundation
Block
Roof
Shingle

Property Taxes

Tax Annual Amount
$5,664
Tax Year
2026
Keller Williams Realty, (508) 534-7200

Market Report for 02645

* The market data shown is based on available information from Multiple Listing Service (MLS) and/or public records. Data provided is for informational and educational purposes only and may not represent the full housing market. For more accurate information, consumers should consult a certified appraiser or licensed real estate agent.

*Average of $2,150 in rewards is calculated based on the purchase or sale of a home between $400,000 to $449,000. The median home price for all housing types is in the United States is $405,400 as of 2025 as reported by the National Association of Realtors® (NAR). The actual reward amount may vary depending on the purchase or sales price of the home. Please see the Lakeview Home Rewards program terms and conditions for more details. The National Association of Realtors® is a registered trademark of the National Association of Realtors®.

Source: MLS Property Information Network, Inc.
MLS Property Information Network, Inc. logo

Based on information submitted to the MLS GRID as of 13 Aug 2026, 06:49 AM UTC. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website.

For corrections to this data please contact Brytecore MLS Support.

A9501885