Building Details

Year Built 1925

Listing Agency: The Firm Show Phone

Listed By: Thomas O'Neill Jr. Show Phone

Source: Exitrealty

Added: Apr 19, 2025 Changed: Sep 1 Last Checked: Sep 15 at 5:51AM

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Investment Insights

Based on property information with market context.

This classic brick two-family building is located in the heart of Dorchester. The fabulously spacious apartments feature excellent natural light and oak flooring throughout, with exceptional detail. Laundry hook-ups are available in both units. The first floor apartment includes a large, welcoming entry hall with space for a home office. The second floor unit, with 6 rooms, is air conditioned and features a granite kitchen with wood cabinets, recessed lighting, and a laundry area. Solar panels are installed to help reduce costs. The property includes a one-car garage with paved tandem parking behind it. Centrally located, the building is close to public transportation, major thoroughfares, shopping, and schools. The exterior features a brick facade, granite steps, and wrought iron fencing. The full basement includes a full bath and offers expansion potential. The property provides easy access to downtown Boston, public transportation, schools, and shopping.

Key Highlights

• Two spacious apartments with excellent natural light and oak flooring.
• Air‑conditioned 2nd‑floor unit with granite kitchen, wood cabinets, recessed lighting, and laundry area.
• Solar panels for reduced energy costs.

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr

$77,880

Cap Rate

7.99%

Suggested Prices Based on Cap Rates

Cap Rate 5%

$1,557,600 $1.6M

Cap Rate 7%

$1,112,571 $1.1M

Cap Rate 9%

$865,333 $865.3K

Is this asking price fair?

Market Conditions

NOI Build-Up for 3,082 SF

Gross rent

$116.5K $37.80/SF

− Vacancy

−$5.2K −$1.70/SF

EGI

$111.3K $36.10/SF

− OpEx

−$33.4K −$10.83/SF

NOI

$77.9K $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%

$1,557,600

Cap Rate 7%

$1,112,571

Cap Rate 9%

$865,333

Alternative Uses

Best Use

Multifamily LT 5

$1.11M

$973.5K – $1.30M (±1% cap)

NOI $77,880 @ 7.0% cap · market cap 7.99%

Second Best

Apartment 5plus

$1.03M

$905.0K – $1.21M (±1% cap)

NOI $72,402 @ 7.0% cap · market cap 7.43%

Theoretical Best

Office A

$2.31M

$2.02M – $2.69M (±1% cap)

NOI $161,546 @ 7.0% cap · market cap 16.57%

Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Location Intelligence

Trade Area within ½ mile

1,042

Businesses Nearby

Explore this area Business Placement

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

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 - Classic two-family in Dorchester with spacious apartments and expansion potential.

Where is this duplex located?

The property is located at 139 Selden St Boston, MA.

What is the asking price?

The asking price for this property is $975,000.

What are key features of this property?

This property features: Two spacious apartments with excellent natural light and oak flooring.; Air‑conditioned 2nd‑floor unit with **granite kitchen, wood cabinets, recessed lighting, and laundry area.**; Solar panels for reduced energy costs.