Exceptional, Turnkey, three-family opportunity in desirable South Waltham! Offering versatility for both owner-occupants and investors, this multi-family property features a larger 1,600+- square foot unit at 282 River Street, renovated in 2025, along with two additional 800+- square foot units at 280 River Street, remodeled in 2020 and 2022. The rental income from the two additional units can help offset ownership costs, while renting all three units offers the potential to maximize cash flow. Additional features include separate gas and electric utilities, two sets of washer and dryer hookups, hardwood flooring, ample off-street parking and a two-car garage with additional parking or storage. Conveniently located near the Charles River, The Charles River Walkway, major routes, schools, Bentley and Brandeis Universities, public transportation and numerous restaurant and shopping venues. An excellent opportunity for owner-occupancy with supplemental rental income or for investors seeking a 1031 exchange property. Potential for conversion to four units, subject to buyer due diligence and all applicable approvals.
| Units | 3 |
| Living area | 3,264 sqft |
| Lot size | 6,599 sqft |
| Year built | 1920 |
| Price / sqft | $398 |
| County | Middlesex |
| MLS # | 73575796 |
| Days on market | 36 days |
| Listed on | September 11, 2026 |
| Annual property tax | $11,123 |
| Tax year | 2026 |
| Assessed value | $1,077,800 |
| Zoning | Res |
| Gross income (actual) | $74,400/yr |
| Net operating income (actual) | $74,400/yr |
| Total actual rent | $6,200/mo |
| Stories | 4 |
| Total rooms | 12 |
| Lot size | 0.15 acres |
| Garage spaces | 2 |
| Parking spaces | 7 |
| Parking | Paved Drive, Shared Driveway, Off Street |
| Basement | Walk-Out Access, Interior Entry, Concrete, Unfinished |
| Foundation | Stone |
| Roof | Shingle |
| Construction | Frame |
| Flooring | Tile, Laminate, Hardwood |
| Heating | Natural Gas |
| Sewer | Public Sewer |
| Water | Public |
| Appliances | Range, Dishwasher, Refrigerator |
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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 3,264 sqft of living area, built in 1920.
280-282 River Street, Waltham MA 02453 has been listed for 36 days (since September 11, 2026).
At a list price of $1,299,000 across 3 units, that works out to roughly $433,000 per unit.
Annual property taxes are $11,123 (2026), on an assessed value of $1,077,800.
At $1,299,000 for 3,264 sqft, that's about $398 per square foot.
2 garage spaces and 7 total parking spaces (paved drive, shared driveway, off street).
280-282 River Street, 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.