21 Hosmer St, Boston, MA 02126

Boston
Local realty services provided by:Better Homes and Gardens Real Estate The Masiello Group
21 Hosmer St,Boston, MA 02126
$1,350,000
  • 9 Beds
  • 3 Baths
  • 4,056 sq. ft.
  • Multi-family
  • Active
Upcoming open houses
  • Sat, May 16
    01:00 pm - 02:00 pm
  • Sun, May 17
    01:00 pm - 02:00 pm
Listed by: markese daise
Office: stony brook & lennox realty advisors
MLS#:73519103
Source:MLSPIN

Price summary

  • Price:$1,350,000
  • Price per sq. ft.:$332.84

About this home

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!

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Home facts

  • Year built:1900
  • Listing ID #:73519103
  • Updated:May 14, 2026 at 09:52 PM

Rooms and interior

  • Bedrooms:9
  • Total bathrooms:3
  • Full bathrooms:3
  • Rooms Total:18
  • Flooring:Hardwood
  • Basement Description:Full
  • Living area:4,056 sq. ft.

Structure and exterior

  • Roof:Shingle
  • Year built:1900
  • Building area:4,056 sq. ft.
  • Lot area:0.1 Acres
  • Exterior Features:Porch

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$1,350,000
  • Price per sq. ft.:$332.84
  • Tax amount:$11,949 (2025)

Parking

  • Total parking spaces:6
  • Parking description:Off Street
The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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