Prevu by reAlpha
BuySellBlogBrowse Listings

21 Hosmer StBoston, MA 02126

For Sale

$1,299,000

Smart Buyer Rebate $6,495

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

·

Stony Brook & Lennox Realty Advisors

·

617-905-4014

Last updated June 08, 2026

·

Source: MLSPin #73519103

Listing Facts

  • TypeMulti-family
  • NeighborhoodWellington Hill
  • Bedrooms9
  • Bathrooms3
  • Days on Prevu33
  • Taxes$11,949/year
  • Size4,056 sqft
  • Price per sqft$320

Amenities

  • Private Outdoor Space
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

06/04/2026
Price Decreased
$1,299,000
05/14/2026
Listed by Stony Brook & Lennox Realty Advisors
$1,350,000

Property Details for 21 Hosmer St

Association

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

Exterior

Construction

  • Number Of Units Total: 3
  • Roof: Shingle
  • Stories: 3
  • Stories Total: 3
  • Year Built: 1900
  • Year Built Details: Actual
  • Construction Materials: See Remarks

Features

  • Patio And Porch Features: Porch
  • Road Frontage Type: Public

Measurements

  • Building Area Total: 4,056
  • Building Area Units: Square Feet
  • Lot Features: Other
  • Lot Size Acres: 0.10
  • Lot Size Area: 0
  • Lot Size Square Feet: 4,225
  • Lot Size Units: Acres

Financial

Residential Income

  • Gross Income: $118,800.00

Taxes

  • Parcel Number: W:14 P:04135 S:020,1358746
  • Tax Annual Amount: $11,949.00
  • Tax Assessed Value: $1,031,900.00
  • Tax Year: 2025

Interior

Features

  • Flooring: Hardwood

Measurements

  • Living Area: 4,056
  • Living Area Source: Public Record

Rooms

  • Basement: Full
  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 9
  • Rooms Total: 18

Parking

Parking

  • Open Parking Spaces: 6
  • Parking Features: Off Street
  • Parking Total: 6

Utilities

Equipment

  • Electric: 200+ Amp Service
  • Sewer: Public Sewer
  • Utilities: For Gas Range
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this multi-family home have?

There are 9 bedrooms and 3 bathrooms in this multi-family home at 21 Hosmer St.

Does this multi-family home have parking?

Yes, there are 6 parking spaces available for 21 Hosmer St.

What are the annual taxes for 21 Hosmer St?

Annual taxes for this multi-family home are estimated at $11,949.

What is the square footage on this multi-family home?

According to the MLS, this listing is 4,056 sqft.

21 Hosmer St is a 9-bedroom, 3-bath multi-family home for sale in Boston MA 02126. On Prevu for 33 days at $1,299,000. This includes a recent price decrease of $51,000. This home features 4,056 square feet of living space, located in Boston. The median listing price for multi-family homes in this area is $582,500. Additional amenities include private outdoor space, parking, and swimming pool. Browse more multi-family home listings in Boston.

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, landlords 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, leasing or renting 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, leasing or renting. 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.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.