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643 Main St, Harwich MA 02645

$1,399,000

Estimated $9,092/month Calculator

Single Family

6 Bedrooms

Baths

2872

Total Parking: 12 (2 Garage)

62,291 (1.43)

Built in 1919

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!

This home has been viewed 2 times

Last Checked: July 28th, 2026 at 9:58am (Source: MLS PIN #73555500)

Garage Parking

Air Conditioning

Waterview

Lead Paint Free

General Information for 643 Main St, Harwich MA 02645

Listing ID73555500

Property TypeSingle Family / Detached

Price$1,399,000 ($487.12/SqFt)

StyleColonial

CityHarwich

CountyBarnstable

Neighborhood(s)

Garage Parking2

ZoningR

Year Built1919

Year Built SourcePublic Records

Year Built DetailsApproximate

Interior Features for 643 Main St, Harwich MA 02645

Approximate Living Area Total2872

Living Area Includes BasementNo

Rooms11

Bedrooms6

Primary En Suite BathroomYes

BasementFull

Cooling1, Split

Fireplaces

AppliancesRange

FlooringTile

Electric220 Volts

Exterior Features for 643 Main St, Harwich MA 02645

Approximate Lot Size (Acres)1.43

Approximate Lot Size (Square Feet)62291

Total Parking12 (2 Garage)

Garage Parking2

WaterPublic

SewerPrivate Sewer

Lot FeaturesGentle Sloping

Parking Features1

Exterior Features

Foundation Area1392

Foundation Materials

Construction MaterialsFrame

Road Frontage Type

Patio & Porch

Roof MaterialAsphalt/fiberglass Shingles

Utility Connections110 Volts

Water ViewsNo

Water Views Features

Waterfront0

Waterfront FeaturesRiver

Pool Features

Horse Permitted0

Horse AmenitiesRiver

Disclosures for 643 Main St, Harwich MA 02645

Lead PaintNone

UFFI

Living Area Includes BasementNo

Living Area Disclosure

Building Area SourcePublic Records

Special Listing Conditions

ExclusionsElectric Fireplace

Title 5A

Compensation Based On

Financial Information for 643 Main St, Harwich MA 02645

Association Fee

Association Fee Frequency

Association Fee Includes

Real Estate Tax5664

Tax Year2026

Assessed Value$974,800

Location Information for 643 Main St, Harwich MA 02645

Elementary SchoolHarwich Elem School

Middle SchoolMonomoy Reg Ms

High SchoolMonomoy Reg Hs

Neighborhood(s)

Area AmenitiesWalk/jog Trails

Contact Information for 643 Main St, Harwich MA 02645

Agent

Name: Richard J. Waystack

Office

Name: Keller Williams Realty

Phone: 508-534-7200

Payment Calculator

, Interest

Property Taxes 472

Principal & Interest 8620.19

HOA Dues

Term

Interest

Home Price

Down Payment

Exclusive Listing Agent

Keller Williams Realty

Richard J. Waystack

Agent Phone

Office Phone

(508) 534-7200

Text Agent Call Agent Call Office

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EXIT

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