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Triplex with Basement Storage
For Sale
$1,275,000

21 Saint Marks Rd, Boston, MA 02124

Three residential units include decks, laundry access, private storage, and off-street parking.

Property Size3,426 SF
Price / SF$372.15
Days on Market109

Property Features for 21 Saint Marks Rd

General Information

Standard status Active
Size 3,426 SF
Total Parking Spaces 1
Property subtype Multi-Family
Zoning R3

Taxes and HOA fees

Annual Taxes $10,545

Building Details

Building Size 3,426 SF
Year Built 1905
Stories 3
Listing Agency: Escalate Real Estate
Listed By: Tiffanie Williams Needham
Source: Churchillprop
Added: Jul 1 Changed: Oct 6 Last Checked: Oct 16 at 7:35AM

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 Escalate Real Estate

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Investment Insights

Based on property information with market context.

This triplex contains 3,426 square feet across three residential units. Each unit is configured with 5 rooms, 3 bedrooms, and 1 full bath. Front and rear decks serve every unit, while the full basement provides laundry access and private storage. A driveway supplies off-street parking, and the property includes a generously sized backyard.

Built in 1905 and zoned R3, the property is located 0.6 miles from the Shawmut MBTA Red Line. The setting also provides access to Route 93, downtown Boston, Quincy Center, and East Milton Square.

Key Highlights

  • Three units, each with 5 rooms, 3 bedrooms, and 1 full bath
  • 3,426‑square‑foot triplex built in 1905
  • Front and rear decks included with every unit

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$86,573
Cap Rate
6.79%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,731,460 $1.7M
Cap Rate 7%
$1,236,757 $1.2M
Cap Rate 9%
$961,922 $961.9K
Market Conditions
NOI Build-Up for 3,426 SF
Gross rent
$129.5K $37.80/SF
− Vacancy
−$5.8K −$1.70/SF
EGI
$123.7K $36.10/SF
− OpEx
−$37.1K −$10.83/SF
NOI
$86.6K $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%
$1,731,460
Cap Rate 7%
$1,236,757
Cap Rate 9%
$961,922

Alternative Uses

Best Use
Multifamily LT 5
$1.24M
$1.08M – $1.44M (±1% cap)
NOI $86,573 @ 7.0% cap · market cap 6.79%
Second Best
Apartment 5plus
$1.15M
$1.01M – $1.34M (±1% cap)
NOI $80,484 @ 7.0% cap · market cap 6.31%
Theoretical Best
Office A
$2.57M
$2.24M – $2.99M (±1% cap)
NOI $179,577 @ 7.0% cap · market cap 14.08%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Triplexes

Suggested Use

Top Pick Law Firm Parking Lot & Garage Acupuncture Hotel & Motel (Bike/Boat/Book/etc) Store Cafe & Coffee Shop

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

1,848
Businesses Nearby

Demographics for 02124, MA

50,972
Population
21,264
Households
2.4
Avg Household Size
36
Median Age
31%
College-Educated
85%
High-School Grad
3.0 sq mi
ZIP Area
16,991
Density / Sq Mi
$79,168
Median Household Income
$43,483
Median Earnings
$1,783
Median Rent
$607,200
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 residential units include decks, laundry access, private storage, and off-street parking.
Where is this triplex located?
The property is located at 21 Saint Marks Rd Boston, MA.
What is the asking price?
The asking price for this property is $1,275,000.
What are key features of this property?
This property features: Three units, each with 5 rooms, 3 bedrooms, and 1 full bath; 3,426‑square‑foot triplex built in 1905; Front and rear decks included with every unit
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