This updated 2-family home features a bright, spacious open-concept modern kitchen/living/dining combo, comfortable airy ceiling height, central AC and newer hardwood floor in each unit. Unit 1 offers 3 bedrooms and 1 bathroom. Unit 2 spans over 2 levels with 5 bedrooms, 2 bathrooms and an office with balcony. Huge basement features a concrete floor, with the possibility of the lower level being finished and made a part of unit 1, thereby providing a substantial increase in rental income. Close to trendy Assembly square and Union square. Easy access to I93, MBTA Orange and Green Line stations. Abundant permit parking on the street. the property to be delivered vacant.
| Units | 2 |
| Living area | 2,774 sqft |
| Lot size | 2,400 sqft |
| Year built | 1884 |
| Price / sqft | $451 |
| County | Middlesex |
| MLS # | 73528665 |
| Days on market | 4 days |
| Listed on | June 2, 2026 |
| Annual property tax | $12,248 |
| Tax year | 2026 |
| Assessed value | $1,115,500 |
| Zoning | Res |
| Total actual rent | $0/mo |
| Stories | 3 |
| Total rooms | 13 |
| Lot size | 0.06 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Parking | On Street |
| Basement | Full, Concrete |
| Foundation | Stone |
| Roof | Shingle |
| Construction | Frame |
| Flooring | Wood, Tile, Hardwood, Stone/Ceramic Tile |
| Heating | Central, Natural Gas |
| Cooling | Central Air, Unit Control |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Gas Range, for Gas Dryer, Washer Hookup |
| Appliances | Range, Disposal, Microwave, Refrigerator |
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Listing courtesy of Century 21 Shawmut Properties — Baohua Liu. 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 2,774 sqft of living area, built in 1884.
21 Cross Street, Somerville MA 02145 sold after about 52 days on the market (listed June 2, 2026, closed July 24, 2026).
Based on area median rents, the estimated cap rate is about 3.9%, with a Signal Score of 71/100. These are directional estimates, not an appraisal.
At a list price of $1,250,000 across 2 units, that works out to roughly $625,000 per unit.
Annual property taxes are $12,248 (2026), on an assessed value of $1,115,500.
At $1,250,000 for 2,774 sqft, that's about $451 per square foot.
21 Cross Street, Somerville MA 02145 is in Somerville, Middlesex County, MA 02145.

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.