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Peter Saunders
REALTOR®
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21 Hosmer St, Boston, MA 02126

$1,299,000
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Active Price Reduced $51,000 on June 4th, 2026
BEDS9 BATHS3 full SQUARE FEET4,056 MLS#73519103
STATUSActive PROPERTY TYPEMulti Unit - Multiple

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 todays 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!

21 Hosmer St | MLS# 73519103

This multi-family property located at 21 Hosmer St, Boston, MA 02126 is currently listed for sale with an asking price of $1,299,000. Search Boston real estate on petersaunders.masiellogrouprealestate.com today.

Property Features

Property Type: Multi Unit - Multiple
Basement: Yes
Basement: Full
Lot Size: 0.10 Acres
Roof Type: Shingle
Stories: 3.0
Taxes: $11,949
Year Built: 1900

Feature Descriptions

Building Area Total: 4056
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
Compensation Based On: N/A
Compensation Broker Transaction: N/A
Compensation Buyer Agency: N/A
Compensation Sub Agency: N/A
Compensation Sub Agency Offered: N/A
Days on Site: 26
Dwelling Type: 3 Family
Electric: 200+ Amp Service
Exterior: See Remarks
Flooring: Hardwood
Lot Features: Other
Parcel Number: W:14 P:04135 S:020,1358746
Parking Features: Off Street
Parking Total: 6
Patio And Porch: Porch
Rooms Total: 18
Sewer: Public Sewer
Units: 3
Utilities: for Gas Range
Water: Public

Listed By / Shown By

Listed By

Agency Name: Stony Brook & Lennox Realty Advisors
Agent Name: Markese Daise
Agency Phone: 617-531-9077

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Shown By

Agent Name: Peter Saunders
Agent Phone:
Agency Title: Better Homes and Gardens Real Estate The Masiello Group

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Estimated Payment

$ 4,265.64 per month $2,891.01 Principal & Interest $995.75 Property Tax $378.88 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 06/10/2026. The listing information on this page last changed on 06/10/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Wed 06/10/2026 12:00:37 AM EST) or MLSPIN MLS (last updated Tue 06/09/2026 11:38:25 PM EST) or Prime MLS (last updated Tue 06/09/2026 11:33:35 PM EST) or MREIS (last updated Tue 06/09/2026 11:55:12 PM EST). Real estate listings held by brokerage firms other than Better Homes and Gardens Real Estate The Masiello Group may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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