278 Harvard Street presents multifamily investors with a rarely available 10-unit Mid-Cambridge apartment building, combining dependable cash flow, clear value-add upside, and long-term appreciation potential in one of Greater Boston’s most supply-constrained rental markets. The unit mix of 8 studios and 2 two-bedroom apartments is ideally suited to the strong renter demand in this location, supporting income from day one. This generational asset is located between Harvard Square and Central Square, close to Harvard University, Kendall Square, major employment centers, and the Red Line. Current rents leave meaningful room to grow, and a new owner can capture additional value through targeted unit upgrades, improved operations, and bringing rents to market. Longer-term development potential may also exist, subject to buyer verification of zoning and permitting. Opportunities to acquire well-located multifamily assets of this size are limited. Financials available upon request.yer verification of zoning and permitting. Opportunities to acquire well-located multifamily assets of this size are limited. Financials available upon request.
| Units | 10 |
| Living area | 6,070 sqft |
| Lot size | 5,560 sqft |
| Year built | 1873 |
| Price / sqft | $708 |
| County | Middlesex |
| MLS # | 73597171 |
| Days on market | 0 days |
| Listed on | October 30, 2026 |
| Annual property tax | $25,888 |
| Tax year | 2026 |
| Assessed value | $388,130 |
| Zoning | C-1 |
| Gross income (actual) | $280,380/yr |
| Net operating income (actual) | $243,060/yr |
| Total actual rent | $23,333/mo |
| Electric expense | $1,033/yr |
| Insurance expense | $7,050/yr |
| Stories | 5 |
| Total rooms | 14 |
| Lot size | 0.13 acres |
| Garage spaces | 0 |
| Parking spaces | 6 |
| Basement | Unfinished |
| Foundation | Concrete Perimeter |
| Roof | Shingle |
| Construction | Frame |
| Flooring | Hardwood |
| Heating | Oil |
| Sewer | Public Sewer |
| Water | Public |
| Appliances | Oven, Dishwasher, Refrigerator |
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Listing courtesy of Compass — Yassien Youssef. Listing data © MLS PIN.
Answered from the listing data and public map data.
It is a 10-unit multi-family property with 6,070 sqft of living area, built in 1873.
278 Harvard St, Cambridge MA 02139 has been listed for 0 days (since October 30, 2026).
At a list price of $4,300,000 across 10 units, that works out to roughly $430,000 per unit.
Annual property taxes are $25,888 (2026), on an assessed value of $388,130.
At $4,300,000 for 6,070 sqft, that's about $708 per square foot.
6 total parking spaces.
278 Harvard St, 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.