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21 Hosmer St

Mattapan, Boston, MA 02126
$1,200,000
9 Beds
3 Baths
4,056 Living Area
  • Property Description
    A rare, fully turn-key Mattapan multi-family delivering scale, flexibility, and immediate income in a high-demand Boston market. This oversized 3-family features three expansive 3 bed/1 bath units, each with layouts that can easily function as 4-bedroom apartments maximizing rental potential. Designed for today’s buyer, the property offers central air, updated electrical, hardwood floors, modern kitchens & baths, new siding, newer rubber roof, & decks throughout. The building is well-maintained with a strong in-place rent roll, creating a true plug-and-play investment or an ideal opportunity for an owner-occupant to offset their mortgage with substantial income. ***NOTE***Additional upside: the identical neighboring property at 19 Hosmer St is also available...purchase one or secure both for a scalable $240K+ gross annual rent play. Positioned near public transit, retail, and many amenities, this is a high-performing Boston multi-family with long-term appreciation and income growth!
  • Highlights
    • Area: Mattapan
    • Parking Spots: 6
    • Property Type: 3 Family
    • Total Rooms: 18
    • Status: Closed
    • Levels: 3
    • Property Class: Residential Income
    • Stories: 3
    • Year Built: 1900
  • Additional Details
    • Basement: Full
    • Flooring: Hardwood
    • Lot Features: Other
    • Roof: Shingle
    • Total Number of Units: 3
    • Year Built Source: Public Records
    • Construction: See Remarks
    • Foundation: Other
    • Road Frontage Type: Public
    • SqFt Source: Public Record
    • Year Built Details: Actual
    • Zoning: R3
  • Amenities
    • Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Laundromat, Bike Path, Highway Access, House of Worship, Private School, Public School, T-Station, University
    • Parking Features: Off Street
  • Utilities
    • Electric: 200+ Amp Service
    • Water Source: Public
    • Sewer: Public Sewer
  • Fees / Taxes
    • Assessed Value: $1,031,900
    • Taxes: $11,949
    • Tax Year: 2025
    • Total Rent: $9,900

Location

21 Hosmer St, Boston, MA 02126

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Content © 2026 MLS Property Information Network, Inc. The information in this listing was gathered from third party resources including the seller and public records. Listing information provided courtesy of Thread Real Estate, LLC. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations or warranties as to the accuracy of this information.
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