Offers due: 11am Tuesday. Please allow 24 hours in offer for response. Prime investment opportunity with easy access to the Mass Pike and just 0.7 miles to Arsenal Yard, parks, restaurants, grocery stores and biotech labs. This well-maintained two-family plus ADU in Watertown is massive: offering over 5,300 square feet of living space. Unit 1 is a 3 bed / 2 bath, unit 2 is a 4 bed / 2 bath and the ADU is a 2 bed / 1 bath. This doesn’t include a finished basement with 2 additional bedrooms plus 2 additional full baths plus 2 living room spaces! In addition, this property contains 11 off-street parking spots. Don’t miss out on this unbelievable rental income opportunity with tons of room for growth!
| Units | 3 |
| Living area | 5,385 sqft |
| Lot size | 6,621 sqft |
| Year built | 1910 |
| Price / sqft | $303 |
| County | Middlesex |
| MLS # | 73375772 |
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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 5,385 sqft of living area, built in 1910.
At a list price of $1,500,000 across 3 units, that works out to roughly $500,000 per unit.
At $1,500,000 for 5,385 sqft, that's about $303 per square foot.
119/121 Dexter Ave, Watertown MA 02472 is in Watertown, Middlesex County, MA 02472.

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.