Prime Location! This versatile two-family home presents an outstanding opportunity for both homeowners and savvy investors. Each certified lead paint compliant unit features two good sized bedrooms, adjacent living & dining rooms, semi-modern kitchen and bath, abundant closet space, and an inviting enclosed front porch. You'll also find dedicated storage rooms for each unit in the basement, offering practical convenience. Nestled in a vibrant neighborhood just moments from Watertown Center and Arsenal Yards, residents will enjoy proximity to a variety of restaurants, shops, parks, and the scenic Charles River path. A commuter’s dream, with easy access to Mass Pike and a range of public transportation options. Bonus potential awaits with a semi-finished lower level featuring direct exterior access and full-sized windows—ideal for expanding living space - increasing the home's value.
| Units | 2 |
| Living area | 2,236 sqft |
| Lot size | 4,051 sqft |
| Year built | 1920 |
| Price / sqft | $403 |
| County | Middlesex |
| MLS # | 73490954 |
| Days on market | 54 days |
| Listed on | March 24, 2026 |
| Annual property tax | $11,805 |
| Tax year | 2026 |
| Assessed value | $967,600 |
| Zoning | T |
| Gross income (actual) | $58,200/yr |
| Net operating income (actual) | $58,200/yr |
| Total actual rent | $4,850/mo |
| Stories | 2 |
| Total rooms | 10 |
| Lot size | 0.09 acres |
| Garage spaces | 0 |
| Parking spaces | 4 |
| Parking | Paved Drive, Off Street |
| Basement | Full, Walk-Out Access, Concrete |
| Foundation | Block |
| Roof | Shingle |
| Construction | Frame |
| Flooring | Tile, Vinyl / VCT, Hardwood, Stone/Ceramic Tile |
| Heating | Steam, Natural Gas |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Gas Range, for Gas Dryer, for Electric Dryer |
| Appliances | Range, Dishwasher, Refrigerator |
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Listing courtesy of Berkshire Hathaway HomeServices Commonwealth Real Estate — Thomas Hevey. 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 2,236 sqft of living area, built in 1920.
109 - 109A Lexington Street, Watertown MA 02472 sold after about 160 days on the market (listed March 24, 2026, closed August 31, 2026).
Based on area median rents, the estimated cap rate is about 4.6%, with a Signal Score of 80/100. These are directional estimates, not an appraisal.
At a list price of $955,000 across 2 units, that works out to roughly $477,500 per unit.
Annual property taxes are $11,805 (2026), on an assessed value of $967,600.
At $955,000 for 2,236 sqft, that's about $403 per square foot.
4 total parking spaces (paved drive, off street).
109 - 109A Lexington Street, 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.