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Three-Unit Multifamily Building
For Sale
$1,150,000

109 Capen St, Boston, MA 02124

Residential Income, Boston, MA

Property Size3,369 SF
Lot Size0.05 Acres
Price / SF$341.35
Days on Market50

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 Bedroom 7, Bedroom 6, Bedroom 8, Bedroom 4, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 9, Bathroom 2, Bathroom 3, Bedroom 5, Bathroom 1
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

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 10703

Amenities

hardwood floors
shared basement laundry
front porch
rear porch
common backyard
on-street parking

Building Details

Year built 1905
Floors in Building 3
Number of units 3
Listing Agency: Keller Williams Realty Boston Northwest
Listed By: Christina Hill
Added: Jul 23 Changed: Sep 3 Last Checked: Sep 10 at 5:06AM
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.

Investment Insights

Based on property information with market context.

This 3,369-square-foot triplex contains three residential units, each arranged with 3 bedrooms and 1 full bathroom. Built in 1905 and freshly painted in 2025, the property includes hardwood floors, front and rear porches, a shared basement laundry area, and a common backyard. Each unit is supported by separate utility metering, with 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, and Unit 3 is leased through 9/30/2026. The property sits on a 0.0524-acre lot in Boston and carries R3 zoning. Shopping, restaurants, public transportation, and major commuter routes are located nearby. Showings require 48-hour notice.

Key Highlights

  • Three‑unit triplex with 3 bedrooms and 1 full bathroom in each unit
  • 3,369 square feet on a 0.0524‑acre lot
  • All units occupied through housing voucher programs; Unit 3 leased through 9/30/2026

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$85,132
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
7.40%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
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 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.
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 rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
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 7.40%
Second Best
Apartment 5plus
$1.13M
$989.3K – $1.32M (±1% cap)
NOI $79,145 @ 7.0% cap · market cap 6.88%
Theoretical Best
Office A
$2.52M
$2.21M – $2.94M (±1% cap)
NOI $176,590 @ 7.0% cap · market cap 15.36%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

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Current Use

Triplexes

Suggested Use

Top Pick Law Firm Parking Lot & Garage Restaurant Dental Office Big Box & Wholesale 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.

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
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Frequently Asked Questions

What type of property is this?
Triplex - Fully occupied three-family building with separate utilities, shared laundry, porches, and a common backyard.
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 $1,150,000.
What are key features of this property?
This property features: Three‑unit triplex with 3 bedrooms and 1 full bathroom in each unit; 3,369 square feet on a 0.0524‑acre lot; All units occupied through housing voucher programs; Unit 3 leased through 9/30/2026
More about this property
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