Two-Family Residential Income
40-42 Coleman St Boston, MA 02125
New
For Sale
$1,199,900
MULTI_FAMILY - Boston, MA
Property Size3,470 SF
Lot Size0.11 Acres
Price / SF$345.79
Days on Market5
Property Features for 40-42 Coleman St
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Zoning
- R2
- Bedrooms
- 10
- Bathrooms
- 3
- Rooms
- Bedroom 9, Bedroom 1, Bedroom 4, Bedroom 10, Bedroom 6, Bathroom 4, Bathroom 2, Bathroom 1, Bedroom 2, Bedroom 8, Bedroom 5, Bathroom 3, Bedroom 7, Bedroom 3
- Parking
- 2
- Standard status
- Active
- APN
- 1301185
- Size
- 3,470 SF
- Lot size
- 0.11 Acres
Taxes and HOA fees
- Tax Year
- 2025
- Tax Annual Amount
- 8332
Building Details
- Year built
- 1905
- Floors in Building
- 2
- Number of units
- 2
Listing Agency:
Keller Williams Realty
(508) 238-5000
Listed By:
Scott Morris
(508) 238-5000
Added: Jul 21
Changed: Jul 25
Last Checked: Jul 25 at 4:06AM
MLS# 73552881
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.
40-42 Coleman St. is a well maintained two-family duplex offering five bedrooms and 1.5 baths per unit. The property includes three-season porches, a clear and open basement, and half baths on both floors. The remarks note that the three-season porches can be converted into additional interior space, and that the half baths can be converted to full baths by adding a shower. With a lot size of 0.1148 acres and approximately 3,470 square feet of building area, the home also features off-street parking.
The property is zoned R2 and is described as being in the Dorchester area. A community garden is located across the street. All offers are due on Monday 7/27/26 by 5:00 PM.
The property is zoned R2 and is described as being in the Dorchester area. A community garden is located across the street. All offers are due on Monday 7/27/26 by 5:00 PM.
Key Highlights
- Two‑family home built in 1905, offering 5 bedrooms and 1.5 baths per unit
- Three‑season porches can be converted into an additional room
- Basement is clear and open and ready to be transformed into an ADU
Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- 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.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $131.2k | $37.80 |
| − Vacancy | −$5.9k | −$1.70 |
| EGI | $125.3k | $36.10 |
| − OpEx | −$37.6k | −$10.83 |
| NOI | $87.7k | $25.27 |
3,470 SF · lease $37.80/SF/yr · vacancy 4.50% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$1.25M
$1.10M – $1.46M
NOI $87,684 @ 7.0% cap · market cap 7.31%
Second Best
Apartment 5plus
$1.16M
$1.02M – $1.36M
NOI $81,517 @ 7.0% cap · market cap 6.79%
Theoretical Best
Office A
$2.60M
$2.27M – $3.03M
NOI $181,884 @ 7.0% cap · market cap 15.16%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Duplexes
FAQs
What type of property is this?
Duplex - Well maintained two-unit duplex with five bedrooms and 1.5 baths per unit, off-street parking, and an open basement.
Where is this duplex located?
The property is located at 40-42 Coleman St 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: Two‑family home built in 1905, offering 5 bedrooms and 1.5 baths per unit; Three‑season porches can be converted into an additional room; Basement is clear and open and ready to be transformed into an ADU
