
658 Main St Harwich — Photo 1 of 42
$799,900
Investment Analysis — 658 Main St
Harwich, MA 02645
Based on HUD Small Area Fair Market Rent for Barnstable Town, MA MSA, a 4-bedroom in 02645 carries an estimated $3,860/mo in gross rent — about a 3.82% cap rate and $30,537/yr in estimated NOI at the $799,900 list price. Adjust every assumption in the calculator below.
Beds
4
Baths
3
SqFt
1,946
Style
Single Family
Built
1800
Discover the timeless charm of this four-bedroom antique farmhouse in the heart of Harwich Center. A welcoming front porch sets the tone for this gracious home, blending classic character with comfortable living. The updated kitchen features a spacious dining and breakfast area, while the inviting living room offers a fireplace and the cozy den provides additional space to relax. The first-floor primary suite includes its own fireplace, sitting area, and private full bath. Outside, the expansive backyard offers plenty of room for entertaining, gardening, and summer enjoyment. Ideally located near the Cape Cod Rail Trail, Harwich Center restaurants and shops, and the beaches, dining, and attractions of Harwich Port. A wonderful opportunity to enjoy the charm, space, and convenience of Cape Cod living. Back on market because buyer couldn't get their financing.
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 1,946 sq ft principal dwelling). Lot size: 22,377 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Estimates — not financial advice
These figures are illustrative estimates for informational purposes only — not an appraisal, valuation, or guarantee of rent, income, or returns, and not financial, tax, or investment advice. Rent is either the figure reported on the MLS listing — in-place rent that may differ from market and is not verified against the actual leases — or, where the listing reports none, an estimate from HUD Small Area Fair Market Rents, a government benchmark that may differ from actual market rent. Each figure is labelled with its source. Cap rate, NOI, and returns depend on the assumptions shown, which you can change. MLS and other third-party data may be inaccurate or out of date. Verify all figures independently and consult your own financial, tax, and legal advisors before making any investment decision.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Amenities & Appliances
Gas Water Heater
Geography
Listing Agent: Natalia Weiner
Listing Office: Gibson Sotheby's International Realty
MLS® Number: 73563580








