Massive, Beautifully Maintained 2-Family with a 2 car garage, 6+ car parking & skyline views! Welcome to this exceptional & solidly built 2-family home that checks off all the boxes! Set on an oversized lot with abundant parking, this property offers both beauty and functionality. Each spacious unit features high ceilings, sun-drenched rooms, gleaming hardwood floors, and a sunroom perfect for relaxing or working from home. The upper unit is a showstopper, offering 5 bedrooms, 2 full baths, a stylishly renovated kitchen, in unit laundry and a bonus room ideal for an office or den. Enjoy vaulted ceilings on the top floor, ductless mini-splits for year-round comfort, and stunning skyline views. Step outside to find a tiered backyard oasis, complete with a lovely stone patio on the upper level and dedicated space below—ideal for entertaining, gardening, or simply enjoying the outdoors .Located just a short walk to the Silver Line, this home is a rare find for sure!
| Units | 2 |
| Living area | 3,498 sqft |
| Lot size | 7,500 sqft |
| Year built | 1910 |
| Price / sqft | $350 |
| County | Suffolk |
| MLS # | 73417244 |
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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 3,498 sqft of living area, built in 1910.
At a list price of $1,249,000 across 2 units, that works out to roughly $624,500 per unit.
At $1,249,000 for 3,498 sqft, that's about $350 per square foot.
21 Crest 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.