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Turn-Key 3-Unit Residential Income

21 Hosmer Street Boston, MA 02126

21 Hosmer Street, Boston, MA, 02126
$1,350,000
For Sale
$1,350,000

Oversized 3-family with three 3-bed/1-bath apartments, decks, central air, and updated electrical and finishes.

Property Size4,056 SF
Price / SF$332.84
Days on Market73

Property Features for 21 Hosmer Street

General Information

Standard status
Active
Size
4,056 SF
Property subtype
Multi-family

Building Details

Year Built
1900
Listing agency Stony Brook & Lennox Realty Advisors
Listed by Markese Daise
Source Longwoodresidential
Added: May 10 Updated: Jul 21 at 2:41AM Checked: Jul 21 at 9:17AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Stony Brook & Lennox Realty Advisors


Investment Insights

Based on property information with market context.

This fully turn-key oversized 3-family offers three expansive 3-bedroom, 1-bath units. Each apartment features interior updates including hardwood floors, modern kitchens and bathrooms, and central air. The exterior and key building components have been improved with new siding, a newer rubber roof, and decks throughout.

Located near public transit and retail in Boston, the property is set up for immediate occupancy with a strong in-place rent roll.

The three units provide flexible layouts, and the building is presented as a plug-and-play income option or for an owner-occupant seeking on-site rental income. The neighboring property at 19 Hosmer St is also available.

Key Highlights

  • Oversized Mattapan 3‑family built in 1900 with three 3‑bed/1‑bath units
  • Three large apartments with layouts that can easily function as 4‑bedroom apartments
  • Central air plus updated electrical

Local Financial Insights For Multifamily LT 5

Simulate Cap Rate and NOI

NOI Build-Up
Vacancy
income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
EGI (Effective Gross Income)
gross rent minus vacancy losses — the realistic income before paying operating costs.
OpEx (Operating Expenses)
recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
NOI (Net Operating Income)
income a property generates after operating costs but before financing and taxes.

Component $ $/SF
Gross rent $153.3k $37.80
− Vacancy −$6.9k −$1.70
EGI $146.4k $36.10
− OpEx −$43.9k −$10.83
NOI $102.5k $25.27
4,056 SF · lease $37.80/SF/yr · vacancy 4.50% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$1.46M
$1.28M – $1.71M (±1% cap)
NOI $102,492 @ 7.0% cap · market cap 7.59%
Second Best
Apartment 5plus
$1.36M
$1.19M – $1.59M (±1% cap)
NOI $95,284 @ 7.0% cap · market cap 7.06%
Theoretical Best
Office A
$3.04M
$2.66M – $3.54M (±1% cap)
NOI $212,599 @ 7.0% cap · market cap 15.75%
Zoning and permitted uses should be independently verified with local authorities.

Property Analytics

Location Intelligence

Current Use by Public Records

Triplexes

Suggested Use

Law Firm Real Estate Agency Dental Office Parking Lot & Garage Skin Care Clinic Cafe & Coffee Shop Restaurant Accounting Firm HVAC Service (Bike/Boat/Book/etc) Store

Zoning and permitted uses should be independently verified with local authorities.

FAQs

What type of property is this?
Triplex - Oversized 3-family with three 3-bed/1-bath apartments, decks, central air, and updated electrical and finishes.
Where is this triplex located?
The property is located at 21 Hosmer Street Boston, MA.
What is the asking price?
The asking price for this property is $1,350,000.
What are key features of this property?
This property features: Oversized Mattapan 3‑family built in 1900 with three 3‑bed/1‑bath units; Three large apartments with layouts that can easily function as 4‑bedroom apartments; Central air plus updated electrical
Contact an agent
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