Location. Location. Location. A rare opportunity to acquire a true diamond in the rough on one of Somerville's most desirable tree-lined streets, just steps from vibrant Union Square. This property is all about the location and the potential. Whether you're looking to restore the existing two-family, create a stunning single-family residence, or explore redevelopment opportunities for a multi-family project, the possibilities are exceptional.The existing 1907 structure is in need of significant renovation and is being sold as-is, making it an ideal opportunity for developers, builders, investors, or ambitious owner-occupants looking to create substantial value. Set on a 5,230± SF lot, the property currently offers approximately 3,691 SF of living area configured as a two-family residence with 13 rooms, 6 bedrooms, and 3.5 bathrooms.Enjoy one of Somerville's premier locations with easy access to Union Square's acclaimed restaurants, cafés, shops, MBTA Green Line, Cambridge, Assembly Row, and downtown Boston. Opportunities to transform a property in this neighborhood are increasingly rare. Bring your architect, your contractor, and your vision to unlock the full potential of this exceptional address.
| Units | 2 |
| Living area | 3,691 sqft |
| Lot size | 5,230 sqft |
| Year built | 1907 |
| Price / sqft | $359 |
| County | Middlesex |
| MLS # | 73557653 |
| Days on market | 7 days |
| Listed on | July 31, 2026 |
| Annual property tax | $15,569 |
| Tax year | 2026 |
| Assessed value | $1,417,900 |
| Zoning | NR |
| Total actual rent | $0/mo |
| Stories | 4 |
| Total rooms | 13 |
| Lot size | 0.12 acres |
| Garage spaces | 2 |
| Parking spaces | 5 |
| Parking | Off Street, Tandem, Paved, Other |
| Basement | Full, Unfinished |
| Foundation | Stone |
| Roof | Shingle, Rubber |
| Construction | Frame |
| 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 2-unit multi-family property with 3,691 sqft of living area, built in 1907.
23 Summit Ave, Somerville MA 02143 sold after about 61 days on the market (listed July 31, 2026, closed September 30, 2026).
At a list price of $1,399,000 across 2 units, that works out to roughly $699,500 per unit.
Annual property taxes are $15,569 (2026), on an assessed value of $1,417,900.
At $1,399,000 for 3,691 sqft, that's about $359 per square foot.
2 garage spaces and 5 total parking spaces (off street, tandem, paved, other).
23 Summit Ave, Somerville MA 02143 is in Somerville, Middlesex County, MA 02143.

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.