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 | $379 |
| County | Middlesex |
| MLS # | 73557653 |
| Days on market | 0 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 has been listed for 0 days (since July 31, 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 $379 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.