**Open House Sat & Sun Aug 8 and 9 from 12:00 to 1:30** Rare opportunity to own a fully renovated four-unit investment package in Somerville’s highly sought-after Assembly neighborhood. This unique offering includes three newly created luxury residences in the main building PLUS a detached, newly constructed, fully sound-insulated cottage (ADU), providing an ideal mix of privacy, modern design, and exceptional income potential. Projected to deliver a 5%+ cap rate, this turnkey investment combines strong cash flow with long-term appreciation. Rents in MLS are estimated. Each residence features high-end finishes, designer kitchens with quartz countertops, premium cabinetry, luxury bathrooms, energy-efficient HVAC systems, in-unit laundry, and thoughtfully designed open floor plans. The detached cottage offers the feel of a private single-family home while benefiting from the convenience of an established multifamily property. All four units have been designed for low-maintenance ownership with modern building systems throughout. Just minutes from Assembly Row, Union Square, public transportation, restaurants, shopping, and major commuter routes, this is an exceptionally rare opportunity for investors or owner-occupants seeking a premium, income-producing asset.
| Units | 4 |
| Living area | 4,160 sqft |
| Lot size | 3,600 sqft |
| Year built | 1900 |
| Price / sqft | $721 |
| County | Middlesex |
| MLS # | 73560505 |
| Days on market | 0 days |
| Listed on | August 6, 2026 |
| Annual property tax | $9,999 |
| Tax year | 2025 |
| Assessed value | $999,999 |
| Zoning | NR |
| Gross income (actual) | $166,800/yr |
| Net operating income (actual) | $166,800/yr |
| Total actual rent | $13,900/mo |
| Stories | 7 |
| Total rooms | 19 |
| Lot size | 0.08 acres |
| Garage spaces | 0 |
| Parking spaces | 2 |
| Parking | Driveway |
| Basement | Full, Partial |
| Foundation | Concrete Perimeter, Stone, Brick/Mortar |
| 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 4-unit multi-family property with 4,160 sqft of living area, built in 1900.
17 Macarthur Street, Somerville MA 02145 has been listed for 0 days (since August 6, 2026).
At a list price of $2,999,000 across 4 units, that works out to roughly $749,750 per unit.
Annual property taxes are $9,999 (2025), on an assessed value of $999,999.
At $2,999,000 for 4,160 sqft, that's about $721 per square foot.
2 total parking spaces (driveway).
17 Macarthur 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.