Well-maintained 6-unit multifamily near Forest Hills, Roslindale Village, and the Arnold Arboretum. Six consistent 2-bedroom apartments with large rooms, hardwood floors, separate heating systems, separate electric, and a rubber roof. Strong in-place rental income with a clean supporting rent roll available upon request. Efficient utility setup with tenant-paid heat, hot water, and electric. High-ceiling basement provides storage and utility/mechanical space. Strong fit for investors, 1031 exchange buyers, or long-term holders seeking a durable Boston multifamily asset with upside through turnover, continued professional management, and market rent growth. Convenient access to public transportation, Forest Hills, Longwood Medical Area, universities, Downtown Boston, parks, and major employment hubs. Expense summary, utility responsibility, and systems information available to qualified buyers upon request.
| Units | 6 |
| Living area | 5,280 sqft |
| Lot size | 3,825 sqft |
| Year built | 1950 |
| Price / sqft | $398 |
| County | Suffolk |
| MLS # | 73511362 |
| Days on market | 17 days |
| Listed on | May 1, 2026 |
| Annual property tax | $11,216 |
| Tax year | 2025 |
| Assessed value | $968,600 |
| Zoning | R4 |
| Gross income (actual) | $186,000/yr |
| Net operating income (actual) | $186,000/yr |
| Total actual rent | $15,500/mo |
| Stories | 3 |
| Total rooms | 24 |
| Lot size | 0.09 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Parking | Other |
| Foundation | Concrete Perimeter |
| Sewer | Public Sewer |
| Water | Public |
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Listing courtesy of Stuart St James, Inc. — Darin Thompson. Listing data © MLS PIN.
Auto-generated from the listing data — richer AI answers coming with the live site.
It is a 6-unit multi-family property with 5,280 sqft of living area, built in 1950.
3965 Washington St, Boston MA 02131 sold after about 122 days on the market (listed May 1, 2026, closed August 31, 2026).
Based on area median rents, the estimated cap rate is about 6.6%, with a Signal Score of 97/100. These are directional estimates, not an appraisal.
At a list price of $2,250,000 across 6 units, that works out to roughly $375,000 per unit.
Annual property taxes are $11,216 (2025), on an assessed value of $968,600.
At $2,250,000 for 5,280 sqft, that's about $398 per square foot.
3965 Washington St, Boston MA 02131 is in Boston, Suffolk County, MA 02131.

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.