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Three-Unit Triplex with Porches
For Sale
$1,125,000

109 Capen St, Boston, MA 02124

Residential Income, Boston, MA

Property Size3,369 SF
Lot Size0.05 Acres
Price / SF$333.93
Days on Market95

Property Features for 109 Capen St

General Information

Property type Residential Multi Family
Property subtype Other
Zoning R3
Bedrooms 9
Bathrooms 3
Full bathrooms 3
Rooms Bathroom 3, Bathroom 1, Bedroom 1, Bedroom 8, Bedroom 2, Bedroom 6, Bedroom 9, Bathroom 2, Bedroom 4, Bedroom 7, Bedroom 3, Bedroom 5
Parking 1
Directions Gallivan Blvd to Selden to Capen
Subdivision Dorchester
Standard status Active
APN W:17 P:02547 S:001,1309093
Size 3,369 SF
Lot size 0.05 Acres

Additional Details

Tenant in Place Yes
Individually Metered Utilities gas, electricity

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 10703

Amenities

hardwood floors
shared basement laundry
front and rear porches
common backyard

Building Details

Year built 1905
Floors in Building 3
Number of units 3
Buildings 1
Listing Agency: Keller Williams Realty Boston Northwest
Listed By: Christina Hill
Added: Jul 23 Changed: Oct 24 Last Checked: Oct 25 at 8:06AM
MLS# 73553914

Copyright © 2026 MLS Property Information Network Inc. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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Investment Insights

Based on property information with market context.

This 1905 triplex contains 3,369 square feet across three residential units, each configured with 3 bedrooms and 1 full bathroom. The property was freshly painted in 2025 and includes hardwood flooring, front and rear porches, a shared backyard, basement laundry, and on-street parking. Separate utility service includes 3 gas meters, 4 electric meters, including a common panel, and three gas forced-air heating systems.

All three units are occupied through housing voucher programs, with Unit 3 leased through 9/21/2026. The property is located at 109 Capen St in Boston’s 02124 ZIP code, near shopping, restaurants, public transportation, and major commuter routes. Zoning is R3, and the lot measures 0.0524 acres.

Key Highlights

  • Three‑unit property with 3,369 square feet
  • Each unit includes 3 bedrooms and 1 full bathroom
  • All units occupied through housing voucher programs

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$85,132
Cap Rate
7.57%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,702,640 $1.7M
Cap Rate 7%
$1,216,171 $1.2M
Cap Rate 9%
$945,911 $945.9K
Market Conditions
NOI Build-Up for 3,369 SF
Gross rent
$127.3K $37.80/SF
− Vacancy
−$5.7K −$1.70/SF
EGI
$121.6K $36.10/SF
− OpEx
−$36.5K −$10.83/SF
NOI
$85.1K $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%
$1,702,640
Cap Rate 7%
$1,216,171
Cap Rate 9%
$945,911

Alternative Uses

Best Use
Multifamily LT 5
$1.22M
$1.06M – $1.42M (±1% cap)
NOI $85,132 @ 7.0% cap · market cap 7.57%
Second Best
Apartment 5plus
$1.13M
$989.3K – $1.32M (±1% cap)
NOI $79,145 @ 7.0% cap · market cap 7.04%
Theoretical Best
Office A
$2.52M
$2.21M – $2.94M (±1% cap)
NOI $176,590 @ 7.0% cap · market cap 15.70%
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
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

990
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 - Each residence offers three bedrooms, one full bathroom, hardwood floors, and access to shared basement laundry.
Where is this triplex located?
The property is located at 109 Capen St Boston, MA.
What is the asking price?
The asking price for this property is $1,125,000.
What are key features of this property?
This property features: Three‑unit property with 3,369 square feet; Each unit includes 3 bedrooms and 1 full bathroom; All units occupied through housing voucher programs
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