643 Main St, Harwich MA 02645

Harwich, MA 02645
$1,399,000
Est. $7,746/month
6
Beds
3
Baths
2,872
Sq Ft
$487
Price/Sq Ft
1.43
Acres
1919
Year Built
2
Garage Spaces
8 hours 22 minutes
Time on Market
Active Open House Listed Jul 27, 2026 • MLS# 73555500 Copied! • Updated Jul 27, 2026

Open House Schedule

01
Aug
Saturday, August 1
11:00 AM - 12:30 PM EDT
02
Aug
Sunday, August 2
11:00 AM - 12:30 PM EDT
31
Jul
Friday, July 31
4:00 PM - 5:30 PM EDT

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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Recently Sold Nearby

Property History

Property Timeline

🏠
Listed for Sale
Jul 27, 2026
$1,399,000
Original listing
Agent: Richard J. Waystack Office: Keller Williams Realty

Tax History

Year Taxes Assessment
2026 $5,664 $974,800

Financial Details

Annual Property Tax
$5,664
Tax Year 2026
Assessed Value
$974,800

Facts & Features

2 Car Garage

Home Facts

Type Residential
Style Single Family Residence
Year Built 1919
Living Area 2,872 sq ft
Lot Size 1.43 acres
Bedrooms 6
Full Baths 3
Total Rooms 11

Interior

Heating Baseboard, Oil
Cooling Window Unit(s)
Flooring Wood, Tile, Carpet, Flooring - Wood, Flooring - Wall To Wall Carpet
Appliances Electric Water Heater, Water Heater, Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
Fireplace Family Room
Fireplaces 1
Basement Full, Interior Entry, Bulkhead
Laundry First Floor, Electric Dryer Hookup, Washer Hookup
Features Bathroom - Full, Dining Area, Home Office, Accessory Apt.

Exterior

Construction Frame
Architecture Cape
Roof Shingle
Features None
Pool None
Spa None
Fencing None
Patio/Porch None
Garage Spaces 2
Has Garage Yes
Features Detached, Garage Door Opener, Heated Garage, Workshop In Garage, Off Street, Paved
Total Spaces 10
Electric 110 Volts, Circuit Breakers
Water Public
Sewer Private Sewer
Gas None
Other For Electric Range, For Electric Dryer, Washer Hookup
Annual Tax $5,664
Assessed Value $974,800
Fee Includes None
Amenities None
Optional Fee Includes None
Seller Disclosures None
Possession None
Accepted Financing None
Structure Type []
House Color Ecru
Sq Ft Source Public Record
Documents None
County Barnstable

Property Overview

Property Type
Single Family Residence
Listing Type
For Sale
Year Built
1919
Bedrooms
6
Full Bathrooms
3
Living Area
2,872 sq ft
Total Rooms
11

Floor Layout

Interior Features

Flooring: Wood, Tile, Carpet, Flooring - Wood, Flooring - Wall to Wall Carpet
Appliances: Electric Water Heater, Water Heater, Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
Interior Features: Bathroom - Full, Dining Area, Home Office, Accessory Apt.
Windows:
Basement: Full, Interior Entry, Bulkhead
Laundry: First Floor, Electric Dryer Hookup, Washer Hookup
Security:

Construction & Materials

Style: Cape
Year Built: 1919
Structure Type:
Exterior Materials: Frame
Roof: Shingle
Foundation: Block

Heating, Cooling & Utilities

Heating: Baseboard, Oil
Cooling: Window Unit(s)
Hot Water:
Water Source: Public
Sewer: Private Sewer
Energy Features:

Exterior & Lot

Exterior Features:
Patio & Porch:
Fencing:
Other Structures:
Lot Features: Cleared, Level
Road Surface: Paved

Parking & Garage

Garage Spaces: 2
Total Parking Spaces: 10
Parking Features: Detached, Garage Door Opener, Heated Garage, Workshop in Garage, Off Street, Paved

Special Features

Fireplaces: 1
Fireplace Type: Family Room
Community Amenities: Golf, Bike Path, Conservation Area, House of Worship, Public School

Nearby Schools

School information not available for this location.

Monthly Payment Calculator

Monthly Payment
$0
Principal, interest, taxes & insurance
Loan Amount
$0
After down payment
Total Interest
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Over life of loan
Total Cost
$0
Including down payment
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Down: $0
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Monthly Payment Breakdown

Principal & Interest $0
Property Tax $472
Homeowners Insurance $200
PMI (if <20% down) $0

Loan Summary

Total of 360 payments $0
Total principal paid $0
Total interest paid $0

Rate Impact

-0.5% Rate
$0/mo
Save $0/mo
Current Rate
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Payment Over Time

Interest
Principal
Year 1
95% Interest
Year 15
50/50
Year 30
95% Principal
* Estimates only. Actual payments may vary. Consult with a lender for accurate figures.

Location

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Neighborhood

643 Main St, Harwich MA 02645

Harwich, MA 02645

Listing Information

Listing Agent Richard J. Waystack
Listing Office Keller Williams Realty
Office Phone 508-534-7200
Agent MLS ID A9501885
Office MLS ID A95627
Listing Data Updated Jul 27, 2026 8:01 PM EDT
Listing information is deemed reliable but not guaranteed. Data provided by MLS Property Information Network, Inc. All information should be independently verified.

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