Presenting a significant investment opportunity at 284-286 River St., Waltham, MA, United States. Constructed in 1880, this multi-family property spans 4800 square feet of living area on a 6599 square foot lot, offering a compelling blend of historical character and expansive potential. The property features a total of eight generously proportioned bedrooms, providing ample private accommodations for residents. Complementing the living spaces are four full bathrooms and two half bathrooms, designed to accommodate the needs of multiple households with convenience and functionality. Additional amenities include a single-space garage, offering secure parking or supplementary storage. This property represents a unique opportunity for discerning investors or owner-occupants seeking substantial living arrangements and income potential in a well-established community.
| Units | 2 |
| Living area | 4,800 sqft |
| Lot size | 6,599 sqft |
| Year built | 1880 |
| Price / sqft | $500 |
| County | Middlesex |
| MLS # | 73558315 |
| Days on market | 0 days |
| Listed on | August 3, 2026 |
| Annual property tax | $9,238 |
| Tax year | 2026 |
| Assessed value | $1,650,000 |
| Zoning | 1 |
| Gross income (actual) | $66,000/yr |
| Net operating income (actual) | $66,000/yr |
| Total actual rent | $10,800/mo |
| Stories | 6 |
| Total rooms | 14 |
| Lot size | 0.15 acres |
| Garage spaces | 1 |
| Parking spaces | 3 |
| Parking | Paved Drive |
| Foundation | Concrete Perimeter, Block |
| 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 4,800 sqft of living area, built in 1880.
284-286 River St., Waltham MA 02453 has been listed for 0 days (since August 3, 2026).
At a list price of $2,400,000 across 2 units, that works out to roughly $1,200,000 per unit.
Annual property taxes are $9,238 (2026), on an assessed value of $1,650,000.
At $2,400,000 for 4,800 sqft, that's about $500 per square foot.
1 garage space and 3 total parking spaces (paved drive).
284-286 River St., Waltham MA 02453 is in Waltham, Middlesex County, MA 02453.

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.