21 Hosmer Street, MattapanBoston, MA 02126MLS Number 73519103

  • Price: $1,350,000
  • Est. Mortgage of $/month
  • 7 Days on Market
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Federal 30-year interest rate: 6.36% last updated on May 14, 2026
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  • 9Bedrooms
  • 0.1Acreage
  • 3Bathrooms
  • 1900Year Built

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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!
Listed by Markese Daise of Stony Brook & Lennox Realty Advisors

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More Info

Basic Information

  • Gross Income $118,800
  • Lot Features Other
  • Mls StatusActive
  • Parcel Number W:14 P:04135 S:020,1358746

Location

  • Address21 Hosmer Street
  • Building Number21
  • CountySuffolk
  • NeighborhoodMattapan
  • StateMA
  • StreetHosmer Street
  • SubdivisionMattapan
  • TownBoston
  • Zip02126

Utilities

  • Electric 200+ Amp Service
  • Sewer Public Sewer
  • Water Source Public

Amenities

  • Amenities
    • Bike Path
    • Golf
    • Highway Access
    • House of Worship
    • Laundromat
    • Medical Facility
    • Park
    • Pool
    • Private School
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • Tennis Court(s)
    • University
    • Walk/Jog Trails
  • Other AmenitiesBasement, Golf, Tennis

Tax Information

  • Tax Assessed Value $1,031,900
  • Tax Year 2025
  • Taxes$11,949

Basic Information

  • List Price$1,350,000
  • MLS Number73519103
  • Modification Date05/18/2026
  • Property SubType3 Family

Property

  • Acreage0.1

Interior

  • Flooring Hardwood

Exterior

  • RoofShingle

Property Information

  • Building Area Source Public Records
  • Living Area 4,056
  • Lot Size Square Feet 4,225
  • Lot Size Units Acres
  • Square Feet4,056

Legal

  • ZoningR3

Parking

  • Parking Features Off Street
  • Parking Spaces6

Rooms

  • Bathroom3
  • Bathrooms Total Decimal 3
  • Bedrooms9
  • Full Bath3

Building

  • BasementFull
  • Building Area Units Square Feet
  • Construction Materials See Remarks
  • FoundationOther
  • Levels 3
  • Patio And Porch Features Porch
  • Rooms18
  • Stories3
  • Units3
  • Utilities For Gas Range
  • Year Built1900
  • Year Built Details Actual
  • Year Built Source Public Records

Other

  • Date Listed05/14/2026
  • Farm Land Area Units Square Feet
Egan Realty Group

Your Local Office

More Info »
Egan Realty Group
Office: 781.447.2222
Whitman, MA 02882

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. 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. MLSPIN 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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