**Exceptional Three-Family Investment Opportunity in Chelsea!**Don't miss this outstanding opportunity to own a spacious, well-maintained, and extensively updated three-family property in one of Chelsea's most convenient locations!Offering an impressive **11 bedrooms across three generously sized units**, this property features a three-bedroom first-floor apartment and two four-bedroom apartments on the second and third floors—an ideal combination for investors seeking strong rental income or owner-occupants looking to offset their mortgage with rental revenue.A standout feature is the property's **lead compliance certificates**, providing a significant advantage in today's rental market, particularly for families with young children.Additional highlights include numerous improvements over the years, a spacious backyard ideal for outdoor enjoyment, a full-size basement offering abundant storage, and strong existing rental income with potential for future growth.Conveniently situated near public transportation, schools, shopping, restaurants, parks, and major commuting routes, this property offers the accessibility and everyday conveniences that tenants value.**Whether you're expanding your investment portfolio or looking to build long-term wealth through owner-occupancy, this Chelsea three-family offers space, income potential, and lasting value.****Opportunities like this deserve a closer look. Schedule your private showing today!**
| Units | 3 |
| Living area | 3,924 sqft |
| Lot size | 3,325 sqft |
| Year built | 1920 |
| Price / sqft | $251 |
| County | Suffolk |
| MLS # | 73597679 |
| Days on market | 0 days |
| Listed on | November 2, 2026 |
| Annual property tax | $11,165 |
| Tax year | 2026 |
| Assessed value | $972,600 |
| Zoning | R3 |
| Gross income (actual) | $84,000/yr |
| Net operating income (actual) | $84,000/yr |
| Total actual rent | $7,000/mo |
| Stories | 3 |
| Total rooms | 17 |
| Lot size | 0.08 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Parking | On Street |
| Basement | Full |
| Foundation | Concrete Perimeter, Stone, Other |
| Roof | Rubber |
| Construction | Frame |
| Sewer | Public Sewer |
| Water | Public |
More about investing in Chelsea →
Listing courtesy of Century 21 North East — Luis Tejada. Listing data © MLS PIN.
Answered from the listing data and public map data.
It is a 3-unit multi-family property with 3,924 sqft of living area, built in 1920.
148 Congress Ave, Chelsea MA 02150 has been listed for 0 days (since November 2, 2026).
At a list price of $985,000 across 3 units, that works out to roughly $328,333 per unit.
Annual property taxes are $11,165 (2026), on an assessed value of $972,600.
At $985,000 for 3,924 sqft, that's about $251 per square foot.
148 Congress Ave, Chelsea MA 02150 is in Chelsea, Suffolk County, MA 02150.

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.