Wonderful opportunity to own a beautifully maintained 3-bedroom, 2-bathroom duplex condo-quality home with a separate 2-bedroom first-floor rental unit, generating approximately $30,000 per year in additional rental income. Ideally located on the doorstep of Cambridge, this property offers an exceptional combination of comfortable living, rental income potential, and long-term value. Enjoy easy access to the city, with Mt. Auburn Street just moments away, as well as the Watertown-Cambridge Greenway for walking, biking, and recreation.The location provides convenient access to Storrow Drive, Memorial Drive, the Charles River, MIT, Harvard, and surrounding Cambridge amenities. With its desirable location, flexible living arrangement, and strong income-producing potential, this property presents an outstanding opportunity for an owner-occupant, investor, or anyone looking to build long-term real estate value.
| Units | 2 |
| Living area | 2,300 sqft |
| Lot size | 1,980 sqft |
| Year built | 1920 |
| Price / sqft | $478 |
| County | Middlesex |
| MLS # | 73564587 |
| Days on market | 0 days |
| Listed on | August 17, 2026 |
| Annual property tax | $8,623 |
| Tax year | 2025 |
| Assessed value | $9,999 |
| Zoning | 9999 |
| Gross income (actual) | $30,000/yr |
| Net operating income (actual) | $30,000/yr |
| Total actual rent | $2,500/mo |
| Stories | 3 |
| Total rooms | 10 |
| Lot size | 0.05 acres |
| Garage spaces | 0 |
| Parking spaces | 3 |
| Parking | Paved Drive, Off Street |
| Basement | Walk-Out Access, Interior Entry, Concrete, Unfinished |
| Foundation | Stone |
| Roof | Shingle |
| Construction | Frame |
| Sewer | Public Sewer |
| Water | Public |
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Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.
Auto-generated from the listing data — richer AI answers coming with the live site.
It is a 2-unit multi-family property with 2,300 sqft of living area, built in 1920.
7 Hearn, Watertown MA 02472 has been listed for 0 days (since August 17, 2026).
At a list price of $1,099,000 across 2 units, that works out to roughly $549,500 per unit.
Annual property taxes are $8,623 (2025), on an assessed value of $9,999.
At $1,099,000 for 2,300 sqft, that's about $478 per square foot.
3 total parking spaces (paved drive, off street).
7 Hearn, Watertown MA 02472 is in Watertown, Middlesex County, MA 02472.

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.