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Three-Unit Craftsman Triplex

21 John A Andrew Street, Boston, MA 02130

For Sale
New
$1,795,000

Three distinct residences combine period detailing with a separately designed upper-floor apartment.

Property Size4,176 SF
Price / SF$429.84
Days on Market5

Property Features for 21 John A Andrew Street

General Information

Standard status Active
Size 4,176 SF
Property subtype Multi-family

Site & Location

Neighborhood Jamaica Plain
Public Transit Yes

Units

Unit Mix 2 x 3BR, 1 x 2BR
Multifamily Units 3

Amenities

front gardens
bluestone patio
basement storage
attic storage

Building Details

Year Built 1913
Year Renovated 2005
Buildings 1
Construction Craftsman
Listing Agency: Focus Real Estate
Listed By: Focus Team
Source: Somervillelofts
Added: Nov 9 Changed: Nov 12 Last Checked: Nov 12 at 2:33PM

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 Focus Real Estate

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Investment Insights

Based on property information with market context.

This 4,176-square-foot Craftsman triplex, built in 1913, contains two three-bedroom apartments and a two-bedroom residence on the top floor. Original features include built-in cabinetry, woodwork, and Southern pine flooring. The upper residence was added in 2005 and designed by Next Phase Studios; it has 9.5-foot ceilings, maple floors, transom windows, and a large picture window facing the wooded hills of Franklin Park. More than 20 windows in each apartment bring in light and allow cross-ventilation.

The property includes basement and private attic storage, front gardens edged by low stone walls, and a bluestone patio beneath mature oak and maple trees. Parks, cafés, restaurants, and public transportation are nearby in Jamaica Plain.

Key Highlights

  • Three residences: two three‑bedroom apartments and one two‑bedroom apartment
  • 4,176 square feet; built in 1913
  • Top‑floor residence added in 2005 and designed by Next Phase Studios

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$105,525
Cap Rate
5.88%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$2,110,500 $2.1M
Cap Rate 7%
$1,507,500 $1.5M
Cap Rate 9%
$1,172,500 $1.2M
Market Conditions
NOI Build-Up for 4,176 SF
Gross rent
$157.9K $37.80/SF
− Vacancy
−$7.1K −$1.70/SF
EGI
$150.7K $36.10/SF
− OpEx
−$45.2K −$10.83/SF
NOI
$105.5K $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%
$2,110,500
Cap Rate 7%
$1,507,500
Cap Rate 9%
$1,172,500

Alternative Uses

Best Use
Multifamily LT 5
$1.51M
$1.32M – $1.76M (±1% cap)
NOI $105,525 @ 7.0% cap · market cap 5.88%
Second Best
Apartment 5plus
$1.40M
$1.23M – $1.64M (±1% cap)
NOI $98,103 @ 7.0% cap · market cap 5.47%
Theoretical Best
Office A
$3.13M
$2.74M – $3.65M (±1% cap)
NOI $218,889 @ 7.0% cap · market cap 12.19%
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

Location Intelligence

Trade Area within ½ mile

1,814
Businesses Nearby

Demographics for 02130, MA

38,284
Population
18,802
Households
2
Avg Household Size
36
Median Age
73%
College-Educated
94%
High-School Grad
3.5 sq mi
ZIP Area
10,938
Density / Sq Mi
$130,533
Median Household Income
$73,238
Median Earnings
$2,434
Median Rent
$763,700
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
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Market

Average Price Trend$/SF for Triplexes in Boston, MA

$444 Jul
$443 Aug
$456 Sep
$478 Oct

Properties on Market for Triplexes in Boston

Jul
Aug
Sep
Oct

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 distinct residences combine period detailing with a separately designed upper-floor apartment.
Where is this triplex located?
The property is located at 21 John A Andrew Street Boston, MA.
What is the asking price?
The asking price for this property is $1,795,000.
What are key features of this property?
This property features: Three residences: two three‑bedroom apartments and one two‑bedroom apartment; 4,176 square feet; built in 1913; Top‑floor residence added in 2005 and designed by Next Phase Studios
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