Rare opportunity to acquire a meticulously maintained three-family residence at 49–51 Putnam Ave in Cambridge. Each thoughtfully updated 3-bedroom, 2-bath unit offers modern finishes, functional layouts, and strong tenant appeal. The building is in outstanding condition, with updated systems, a full basement for storage, and a well-kept exterior. Ideally located just moments from the Charles River, Harvard Square, the Harvard & Central Sq. T stations, and Harvard University, this prime setting ensures exceptional convenience and enduring rental demand. Currently generating excellent rental income, the property delivers immediate cash flow with long-term appreciation potential in one of Cambridge’s most desirable neighborhoods.
| Units | 3 |
| Living area | 3,213 sqft |
| Lot size | 2,233 sqft |
| Year built | 1903 |
| Price / sqft | $817 |
| County | Middlesex |
| MLS # | 73481478 |
More about investing in Cambridge →
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 3-unit multi-family property with 3,213 sqft of living area, built in 1903.
At a list price of $2,750,000 across 3 units, that works out to roughly $916,667 per unit.
At $2,750,000 for 3,213 sqft, that's about $817 per square foot.
49-51 Putnam Ave, Cambridge MA 02139 is in Cambridge, Middlesex County, MA 02139.

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.