East Cambridge 3-family townhouse on a quiet one-way street near Kendall Square and MIT. One deed covering 24 / 24A / 24B Union St. Three similar side-by-side units, each with its own kitchen, baths, living area, and basement access. Each unit has its own NFPA-13D wet fire sprinkler system. Occupied income-producing property. Extensive interior renovation; see attached Luna Design plans. City assessor records list 9 bedrooms, 3.5 baths, and 4,355 sq ft; current interior layout differs from the assessor card. Buyer to verify all measurements and layout. Residence C-1. Lodging House use may be applied for in this district; buyer to independently verify zoning, occupancy, licensing, parking, and any redevelopment potential with the City of Cambridge. Sold as-is. Seller concessions, if any, to be negotiated in the offer.
| Units | 3 |
| Living area | 4,355 sqft |
| Lot size | 6,333 sqft |
| Year built | 1886 |
| Price / sqft | $1,538 |
| County | Middlesex |
| MLS # | 73572529 |
| Days on market | 0 days |
| Listed on | September 7, 2026 |
| Annual property tax | $16,932 |
| Tax year | 2026 |
| Assessed value | $2,538,600 |
| Zoning | C-1 |
| Gross income (actual) | $261,600/yr |
| Net operating income (actual) | $261,600/yr |
| Total actual rent | $22,000/mo |
| Stories | 9 |
| Total rooms | 15 |
| Lot size | 0.15 acres |
| Garage spaces | 2 |
| Parking spaces | 4 |
| Parking | On Street |
| Basement | Full |
| Foundation | Concrete Perimeter, Stone, Brick/Mortar |
| Heating | Hot Water, Natural Gas |
| Cooling | Window Unit(s) |
| 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 3-unit multi-family property with 4,355 sqft of living area, built in 1886.
24 Union St, Cambridge MA 02141 has been listed for 0 days (since September 7, 2026).
At a list price of $6,700,000 across 3 units, that works out to roughly $2,233,333 per unit.
Annual property taxes are $16,932 (2026), on an assessed value of $2,538,600.
At $6,700,000 for 4,355 sqft, that's about $1,538 per square foot.
2 garage spaces and 4 total parking spaces (on street).
24 Union St, Cambridge MA 02141 is in Cambridge, Middlesex County, MA 02141.

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.