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Two-Unit Duplex with Off-Street Parking
For Sale
$1,199,900

40-42 Coleman Street, Boston, MA 02125

Two-family duplex with five bedrooms and 1.5 baths per unit, plus off-street parking and an open, unfinished basement.

Property Size3,470 SF
Price / SF$345.79
Days on Market111

Property Features for 40-42 Coleman Street

General Information

Standard status Active
Size 3,470 SF
Property subtype Multi-family

Additional Details

Multifamily Units 2

Building Details

Year Built 1905
Tenancy Multi
Listing Agency: Keller Williams Realty
Listed By: Paul A. Morrison
Source: Benoitrealestate
Added: Jun 27 Changed: Oct 11 Last Checked: Oct 14 at 11:51PM

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 Keller Williams Realty

Investment Insights

Based on property information with market context.

40-42 Coleman Street is a well-maintained two-family duplex designed for flexibility. Each unit includes five bedrooms and 1.5 baths, and the layout features 3-season porches that can be enclosed for additional interior space. An open, clear basement offers room to be transformed into an ADU, and the half baths on both floors are set up for straightforward conversion to full baths with the addition of a shower.

The property also includes off-street parking and a backyard suited for everyday use and gatherings. A community garden is located across the street for additional outdoor options.

Overall, the building’s size, condition, and adaptable spaces make it well suited to buyers seeking a live-in option or a residential income property with potential to expand functional area.

Key Highlights

  • 1905‑built two‑family duplex offering 5 bedrooms and 1.5 baths per unit
  • Three‑season porches at the property can be converted into additional interior space
  • Open, unfinished basement with potential to be transformed into an ADU

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$87,684
Cap Rate
7.31%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,753,680 $1.8M
Cap Rate 7%
$1,252,629 $1.3M
Cap Rate 9%
$974,267 $974.3K
Market Conditions
NOI Build-Up for 3,470 SF
Gross rent
$131.2K $37.80/SF
− Vacancy
−$5.9K −$1.70/SF
EGI
$125.3K $36.10/SF
− OpEx
−$37.6K −$10.83/SF
NOI
$87.7K $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%
$1,753,680
Cap Rate 7%
$1,252,629
Cap Rate 9%
$974,267

Alternative Uses

Best Use
Multifamily LT 5
$1.25M
$1.10M – $1.46M (±1% cap)
NOI $87,684 @ 7.0% cap · market cap 7.31%
Second Best
Apartment 5plus
$1.16M
$1.02M – $1.36M (±1% cap)
NOI $81,517 @ 7.0% cap · market cap 6.79%
Theoretical Best
Office A
$2.60M
$2.27M – $3.03M (±1% cap)
NOI $181,884 @ 7.0% cap · market cap 15.16%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Current Use

Duplexes

Suggested Use

Top Pick Law Firm Real Estate Agency Skin Care Clinic Cafe & Coffee Shop Acupuncture Hotel & Motel

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

2
Residential units
Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

2,019
Businesses Nearby

Demographics for 02125, MA

34,926
Population
14,999
Households
2.3
Avg Household Size
32
Median Age
42%
College-Educated
87%
High-School Grad
2.2 sq mi
ZIP Area
15,875
Density / Sq Mi
$71,810
Median Household Income
$52,106
Median Earnings
$1,897
Median Rent
$645,400
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?
Duplex - Two-family duplex with five bedrooms and 1.5 baths per unit, plus off-street parking and an open, unfinished basement.
Where is this duplex located?
The property is located at 40-42 Coleman Street Boston, MA.
What is the asking price?
The asking price for this property is $1,199,900.
What are key features of this property?
This property features: 1905‑built two‑family duplex offering 5 bedrooms and 1.5 baths per unit; Three‑season porches at the property can be converted into additional interior space; Open, unfinished basement with potential to be transformed into an ADU
More about this property
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