$1,399,000
OPEN FRI 4PM - 5:30PM

643 Main St Harwich, MA 02645

Harwich Center Neighborhood

Estimated payment $8,095/month

Total Views 120
6 Beds
3 Baths
2,872 Sq Ft
$487 Price per Sq Ft

Highlights

  • Property is near a beach
  • 1.43 Acre Lot
  • Wood Flooring
  • Chatham Elementary School Rated A-
  • Cape Cod Architecture
  • Main Floor Primary Bedroom

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!

Listing Agent

Richard Waystack

William Raveis Harwich Port Listed on: 07/27/2026

William Raveis Harwich Port

Open House Schedule

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $5,664

Year Built

  • Built in 1919

Lot Details

  • 1.43 Acre Lot
  • Level Lot
  • Cleared Lot

Parking

  • 2 Car Detached Garage
  • Heated Garage
  • Workshop in Garage
  • Garage Door Opener
  • 8 Open Parking Spaces
  • Off-Street Parking

Home Design

  • Cape Cod Architecture
  • Block Foundation
  • Frame Construction
  • Shingle Roof

Interior Spaces

  • 2,872 Sq Ft Home
  • Recessed Lighting
  • Family Room with Fireplace
  • Dining Area
  • Home Office

Kitchen

  • Range
  • Microwave
  • Dishwasher
  • Kitchen Island

Flooring

  • Wood
  • Wall to Wall Carpet
  • Tile

Bedrooms and Bathrooms

  • 6 Bedrooms
  • Primary Bedroom on Main
  • 3 Full Bathrooms

Laundry

  • Laundry on main level
  • Dryer
  • Washer

Basement

  • Basement Fills Entire Space Under The House
  • Interior Basement Entry

Outdoor Features

  • Property is near a beach
  • Bulkhead

Schools

  • Harwich Elementary School
  • Monomoy Reg Middle School
  • Monomoy Reg High School

Utilities

  • Window Unit Cooling System
  • Heating System Uses Oil
  • Baseboard Heating
  • 110 Volts
  • Electric Water Heater
  • Private Sewer

Additional Features

  • Accessory Dwelling Unit (ADU)
  • Property is near golf course and schools

Listing and Financial Details

  • Assessor Parcel Number M:0040 B:0000 L:00E40,2334131

Community Details

Overview

  • No Home Owners Association
  • Near Conservation Area

Recreation

  • Bike Trail

Home Details

Home Type

Single Family

Est. Annual Taxes

$5,664

Year Built

Built in 1919

Lot Details

1.43 Acres

Parking

2

Listing Details

  • Property Type: Residential
  • Property Sub Type: Single Family Residence
  • Architectural Style: Cape
  • Year Built: 1919
  • Year Built Details: Approximate
  • Year Round: Yes
  • MLSPIN_ADU: Y
  • MLSPIN_BEACHFRONT_FLAG: Yes
  • Special Features: OpenHouse

Interior Features

  • Flooring: Wood, Tile, Carpet, Flooring - Wood, Flooring - Wall to Wall Carpet
  • Interior Amenities: Bathroom - Full, Dining Area, Home Office, Accessory Apt.
  • Fireplace Features: Family Room
  • Fireplace YN: Yes
  • Fireplaces: 1
  • Appliances: Electric Water Heater, Water Heater, Range, Dishwasher, Microwave, Refrigerator, Washer, Dryer
  • Total Bedrooms: 6
  • Room Bedroom2 Level: Second
  • Room Bedroom2 Features: Closet, Flooring - Wood
  • Room Bedroom3 Features: Closet, Flooring - Wood
  • Room Bedroom3 Level: Second
  • Room Bedroom4 Level: Second
  • Room Bedroom4 Features: Closet, Flooring - Wood
  • Room Bedroom5 Level: Second
  • Room Bedroom5 Features: Closet, Flooring - Wood
  • Basement YN: Yes
  • Full Bathrooms: 3
  • Total Bathrooms: 3
  • Room Master Bedroom Features: Closet, Flooring - Wall to Wall Carpet
  • Room Master Bedroom Level: First
  • Bathroom 1 Level: First
  • Bathroom 2 Level: Second
  • Room Dining Room Features: Flooring - Wall to Wall Carpet
  • Room Dining Room Level: First
  • Room Family Room Level: First
  • Room Family Room Features: Flooring - Wall to Wall Carpet, Recessed Lighting
  • Room Kitchen Level: First
  • Room Kitchen Features: Flooring - Wood, Kitchen Island, Cabinets - Upgraded, Recessed Lighting
  • Laundry Features: First Floor, Electric Dryer Hookup, Washer Hookup
  • Room Living Room Level: First
  • Room Living Room Features: Flooring - Wall to Wall Carpet
  • Room Office Level: First
  • Room Office Features: Flooring - Wood
  • Basement: Full, Interior Entry, Bulkhead
  • Above Grade Finished Sq Ft: 2872
  • Living Area: 2872
  • Spa YN: No
  • MAIN LO: A95627

Exterior Features

  • Construction Materials: Frame
  • Foundation Details: Block
  • Home Warranty YN: No
  • Road Frontage Type: Public
  • Road Surface Type: Paved
  • Roof: Shingle
  • Waterfront Features: Ocean, Beach Ownership(Public)
  • Waterfront YN: No
  • Waterview Flag: No

Garage/Parking

  • Garage Spaces: 2
  • Attached Garage YN: No
  • Carport Y N: No
  • Covered Parking Spaces: 2
  • Garage YN: Yes
  • Open Parking Spaces: 8
  • Open Parking YN: Yes
  • Parking Features: Detached, Garage Door Opener, Heated Garage, Workshop in Garage, Off Street, Paved
  • Total Parking Spaces: 10

Utilities

  • Sewer: Private Sewer
  • Utilities: for Electric Range, for Electric Dryer, Washer Hookup
  • Cooling: Window Unit(s)
  • Heating: Baseboard, Oil
  • Cooling Y N: Yes
  • Electric: 110 Volts, Circuit Breakers
  • Heating YN: Yes
  • Water Source: Public

Condo/Co-op/Association

  • Association YN: No
  • Community Features: Golf, Bike Path, Conservation Area, House of Worship, Public School
  • Senior Community YN: No

Lot Info

  • Parcel Number: M:0040 B:0000 L:00E40,2334131
  • Zoning: R
  • Farm Land Area Units: Square Feet
  • Lot Features: Cleared, Level
  • Lot Size Acres: 1.43
  • Lot Size Sq Ft: 62291
  • Lot Size Units: Acres
  • Property Attached YN: No

Tax Info

  • Tax Year: 2026
  • Tax Annual Amount: 5664

Multi Family

  • Basement Included Sq Ft: No

MLS Schools

  • High School: Monomoy Reg Hs
  • Elementary School: Harwich Elem School
  • Middle Or Junior School: Monomoy Reg Ms

Map

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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $5,599 $947,300 $272,600 $674,700
2024 $5,286 $876,600 $231,500 $645,100
2023 $5,107 $769,100 $210,400 $558,700
2022 $5,020 $619,000 $183,000 $436,000
2021 $5,108 $593,900 $166,300 $427,600
2020 $5,067 $580,400 $164,500 $415,900
2019 $4,901 $565,300 $158,100 $407,200
2018 $4,803 $529,900 $143,700 $386,200
2017 $4,520 $503,900 $124,700 $379,200
2016 $4,394 $484,400 $124,700 $359,700
2015 $4,266 $475,600 $122,300 $353,300
2014 $4,112 $468,900 $124,900 $344,000
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
07/27/2026 07/27/26 For Sale $1,399,000 -- $487 / Sq Ft
Source: MLS Property Information Network (MLS PIN)

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Quit Claim Deed -- --
Deed $50,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $251,000 Adjustable Rate Mortgage/ARM
Closed $125,000 Commercial
Previous Owner $100,000 Commercial
Previous Owner $150,000 Commercial
Source: Public Records

Source: MLS Property Information Network (MLS PIN)

MLS Number: 73555500

MLS Property Information Network (MLS PIN)

APN: HARW-000040-000000-E000004

Massachusetts Barnstable County Harwich 02645 Harwich Center

643 Main St, Harwich, MA

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MLS Property Information Network (MLS PIN) The property listing data and information, or the Images, 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, and the Images, 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, or as to the accuracy of any of the Images, set forth herein.

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Richard Waystack
Listing Agent
Richard Waystack
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William Raveis Harwich Port
(508) 625-5471
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