Welcome to a unique opportunity with this move-in-ready home featuring a legal one-bedroom in-law apartment—perfect for extended family, guests, or additional rental income. The flexible living arrangement offers endless possibilities, with the apartment currently providing the potential for tenant-at-will rental income.The main home spans two levels and offers 6 rooms, including 3 spacious bedrooms and 2 full bathrooms. The impressive top-floor primary suite features a generously sized bedroom, walk-in closet, and private en-suite bathroom. The main level includes a spacious living room, eat-in kitchen, home office, two additional bedrooms, a second full bathroom, and a convenient laundry room.Enjoy the bright and sunny sunroom, perfect for relaxing or entertaining, along with a deck overlooking the low-maintenance yard.Added in 2008, the legal one-bedroom in-law apartment offers comfortable single-level living with an open-concept layout, a well-equipped kitchen, living area, modern bathroom, in-unit laundry, and additional storage. A private deck leads to a secluded backyard, creating a welcoming space to enjoy the outdoors.With plenty of parking and a convenient location close to shopping, restaurants, and major roadways, this versatile property offers an exceptional opportunity for homeowners and investors alike.
| Units | 2 |
| Living area | 2,332 sqft |
| Lot size | 8,873 sqft |
| Year built | 1940 |
| Price / sqft | $349 |
| County | Middlesex |
| MLS # | 73567681 |
| Days on market | 0 days |
| Listed on | August 25, 2026 |
| Annual property tax | $6,748 |
| Tax year | 2025 |
| Assessed value | $593,500 |
| Zoning | 1 |
| Gross income (actual) | $26,400/yr |
| Net operating income (actual) | $26,400/yr |
| Total actual rent | $2,200/mo |
| Stories | 2 |
| Total rooms | 11 |
| Lot size | 0.2 acres |
| Garage spaces | 0 |
| Parking spaces | 4 |
| Parking | Paved Drive, Off Street |
| Basement | Full, Concrete, Unfinished |
| Foundation | Concrete Perimeter |
| Roof | Shingle, Rubber |
| Construction | Frame, Modular |
| Heating | Forced Air, Natural Gas, Unit Control |
| Cooling | Central Air, Unit Control, Window Unit(s) |
| Sewer | Public Sewer |
| Water | Public |
| Appliances | Range, Dishwasher, Refrigerator, Washer, Dryer |
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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 2,332 sqft of living area, built in 1940.
55 Friendship St, Billerica MA 01821 has been listed for 0 days (since August 25, 2026).
At a list price of $813,000 across 2 units, that works out to roughly $406,500 per unit.
Annual property taxes are $6,748 (2025), on an assessed value of $593,500.
At $813,000 for 2,332 sqft, that's about $349 per square foot.
4 total parking spaces (paved drive, off street).
55 Friendship St, Billerica MA 01821 is in Billerica, Middlesex County, MA 01821.

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.