# 643 Main Street, Harwich, MA 02645

> **TL;DR:** 6bd/3ba single family, $1,399,000 ($487/sqft), built 1919, 2,872 sqft.
> Fireplace, A/C. Est. $7,482/mo. Listed 2 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,399,000 |
| Price/sqft | $487 |
| Bedrooms | 6 |
| Bathrooms | 3 full |
| Square Feet | 2,872 |
| Year Built | 1919 |
| Lot Size | 62,291 sqft (1.43 acres) |
| Stories | 2 |
| Property Type | Single Family (Single Family Residence) |
| Status | For Sale |
| Days on Market | 2 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Principal & Interest (20% down, 30-year at 6.5%) | $7,074 |
| Estimated Insurance | $408 |
| **Total** | **$7,482** |

## Key Amenities

- Fireplace
- A/C

## Property Highlights

- Built in 1919
- 1.43 acre lot
- 2 stories
- 8 parking spaces
- Fireplace

## Description

### Agent Description
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!

## Location

- **Address:** 643 Main Street, Harwich, MA 02645
- **County:** Barnstable
- **Coordinates:** 41.685932, -70.081533
- **Google Maps:** https://www.google.com/maps?q=41.685932,-70.081533

## Listing Agent

- **Name:** Richard J Waystack
- **Brokerage:** Keller Williams Realty
- **Phone:** 5087760964

## Primary Photo

![643 Main Street - Primary Photo](http://lh.rdcpix.com/561e3910b5842972768ba91d249ec42al-f816697963r.jpg)

*44 total photos available on [listing page](https://www.propertysimple.ai/listing/643-main-street-harwich-ma-02645-22603623)*

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**MLS#:** 22603623 | **Updated:** 2026-08-01
**Source:** listhub

*Copyright © 2026 Cape Cod & Islands Association of REALTORS®, Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.ai/listing/643-main-street-harwich-ma-02645-22603623)

---

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