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3-Unit Residential Building
New
For Sale
$1,195,000

21 Conway Street, Boston, MA 02131

Three floors each contain a separate residence, with five bedrooms and three full bathrooms across the units.

Property Size2,986 SF
Price / SF$400.20
Days on Market5

Property Features for 21 Conway Street

General Information

Standard status Active
Size 2,986 SF
Property subtype Multi-family
Occupancy 100%

Site & Location

Neighborhood Roslindale
Public Transit Yes

Additional Details

Multifamily Units 3
Tenant in Place Yes

Amenities

laundry
studio
back yard
patio

Building Details

Year Built 1900
Buildings 1
Stories 3
Tenancy Multi
Listing Agency: William Raveis R.E. & Home Services
Listed By: Gore Lietzke Group
Source: Jmulkerinrealty
Added: Oct 27 Changed: Oct 30 Last Checked: Oct 30 at 1:47PM

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 William Raveis R.E. & Home Services

Rey
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Investment Insights

Based on property information with market context.

This 3-unit residential property has one residence on each of its three floors, with five bedrooms and three full bathrooms in total. The units have open kitchens; the first and second include heat pumps for heating and cooling installed in 2025, while the third has skylights. Architectural details include stained glass, French doors, mantels, built-ins, and hardwood floors. A partially finished basement provides a half bath, laundry, workspace, and storage. The former garage has been converted to a studio, and the property also includes a backyard patio and driveway parking for 2–3 cars.

The property is in Peter's Hill, between the 265-acre Arnold Arboretum and Roslindale Village. Shops, restaurants, a farmers market, parks, a community center, a library, commuter rail, and buses are described as nearby. All three units are occupied, with leases and TAW.

Key Highlights

  • Three residences arranged one per floor; 5 bedrooms and 3 full baths total
  • Heat pumps for heating and cooling in Units 1 and 2, installed in 2025
  • Partially finished basement with half bath, laundry, workspace, and storage

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$75,454
Cap Rate
6.31%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,509,080 $1.5M
Cap Rate 7%
$1,077,914 $1.1M
Cap Rate 9%
$838,378 $838.4K
Market Conditions
NOI Build-Up for 2,986 SF
Gross rent
$112.9K $37.80/SF
− Vacancy
−$5.1K −$1.70/SF
EGI
$107.8K $36.10/SF
− OpEx
−$32.3K −$10.83/SF
NOI
$75.5K $25.27/SF
Area
Boston, MA
Vacancy
4.50%
Lease Rate
$37.80 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,509,080
Cap Rate 7%
$1,077,914
Cap Rate 9%
$838,378

Alternative Uses

Best Use
Multifamily LT 5
$1.08M
$943.2K – $1.26M (±1% cap)
NOI $75,454 @ 7.0% cap · market cap 6.31%
Second Best
Apartment 5plus
$1.00M
$876.8K – $1.17M (±1% cap)
NOI $70,147 @ 7.0% cap · market cap 5.87%
Theoretical Best
Office A
$2.24M
$1.96M – $2.61M (±1% cap)
NOI $156,514 @ 7.0% cap · market cap 13.10%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Lease Details

3
Residential units
100%
Occupancy
Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

1,226
Businesses Nearby

Demographics for 02131, MA

30,544
Population
13,264
Households
2.3
Avg Household Size
39
Median Age
52%
College-Educated
89%
High-School Grad
2.8 sq mi
ZIP Area
10,909
Density / Sq Mi
$109,237
Median Household Income
$65,268
Median Earnings
$1,999
Median Rent
$634,200
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Triplex - Three floors each contain a separate residence, with five bedrooms and three full bathrooms across the units.
Where is this triplex located?
The property is located at 21 Conway Street Boston, MA.
What is the asking price?
The asking price for this property is $1,195,000.
What are key features of this property?
This property features: Three residences arranged one per floor; 5 bedrooms and 3 full baths total; Heat pumps for heating and cooling in Units 1 and 2, installed in 2025; Partially finished basement with half bath, laundry, workspace, and storage
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