643 Main St, Harwich, MA 02645 (MLS # 73555500)
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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!
| LAST UPDATED | 7/27/2026 | YEAR BUILT | 1919 |
|---|---|---|---|
| GARAGE SPACES | 2.0 | COUNTY | Barnstable |
| STATUS | Active | PROPERTY TYPE(S) | Single Family |
| Elementary School | Harwich Elem School |
|---|---|
| Jr. High School | Monomoy Reg Ms |
| High School | Monomoy Reg Hs |
| ADDITIONAL DETAILS | |
| AIR | Window Unit(s) |
|---|---|
| AIR CONDITIONING | Yes |
| APPLIANCES | Dishwasher, Dryer, Electric Water Heater, Microwave, Range, Refrigerator, Washer, Water Heater |
| BASEMENT | Full, Interior Entry, Yes |
| CONSTRUCTION | Frame |
| FIREPLACE | Yes |
| GARAGE | Yes |
| HEAT | Baseboard, Oil |
| INTERIOR | Master Downstairs, Recessed Lighting |
| LOT | 1.43 acre(s) |
| LOT DESCRIPTION | Cleared, Level |
| PARKING | Detached, Garage Door Opener, Heated Garage, Workshop in Garage, Off Street, Paved |
| PRIMARY ON MAIN | Yes |
| SEWER | Private Sewer |
| STYLE | Cape Cod |
| TAXES | 5664 |
| WATER | Public |
| WATERFRONT DESCRIPTION | Ocean Front |
MORTGAGE CALCULATOR
TOTAL MONTHLY PAYMENT
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Listing provided by Richard Waystack, Keller Williams Realty
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