Exceptional, recently renovated, mixed-use investment opportunity in a prime Boston location! This well-positioned property features 4 residential units and 1 commercial unit, offering a versatile combination of residential and commercial income potential. Ideally situated along Massachusetts Avenue with easy access to all that the South End has to offer - public transportation, restaurants, shops, hospitals, and major commuter routes. A fantastic opportunity for investors or owner-occupants seeking a centrally located mixed-use property in the heart of Boston. Showings on request only. Please allow 48 hours notice.
| Units | 5 |
| Living area | 4,472 sqft |
| Lot size | 1,680 sqft |
| Year built | 1899 |
| Price / sqft | $950 |
| County | Suffolk |
| MLS # | 73578044 |
| Days on market | 0 days |
| Listed on | September 16, 2026 |
| Annual property tax | $18,032 |
| Tax year | 2025 |
| Assessed value | $1,557,200 |
| Zoning | RC |
| Gross income (actual) | $273,600/yr |
| Net operating income (actual) | $273,600/yr |
| Total actual rent | $27,300/mo |
| Stories | 5 |
| Total rooms | 25 |
| Lot size | 0.04 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Basement | Finished, Walk-Out Access |
| Foundation | Brick/Mortar |
| Roof | Shingle, Rubber |
| Construction | Brick |
| Flooring | Tile, Hardwood |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Electric Range, for Electric Dryer, Washer Hookup |
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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 5-unit multi-family property with 4,472 sqft of living area, built in 1899.
603 Massachusetts Ave, Boston MA 02118 has been listed for 0 days (since September 16, 2026).
At a list price of $4,250,000 across 5 units, that works out to roughly $850,000 per unit.
Annual property taxes are $18,032 (2025), on an assessed value of $1,557,200.
At $4,250,000 for 4,472 sqft, that's about $950 per square foot.
603 Massachusetts Ave, Boston MA 02118 is in Boston, Suffolk County, MA 02118.

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.