25 Mendum Street, Boston, MA 02131

Building Details

Year Built 1910 More

Buildings 1 More

Listing Agency: Berkshire Hathaway HomeServices Warren Residential

Listed By: Kiernan Middleman Show Phone

Source: Milburyre

Added: Nov 2 Changed: Nov 6 Last Checked: Nov 6 at 10:30AM

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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 Berkshire Hathaway HomeServices Warren Residential

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Investment Insights

Based on property information with market context.

Built in 1910, this 4,273-square-foot two-family property contains two distinct residences. The first is a duplex with a renovated kitchen, walk-in pantry, living and dining room, three main-level bedrooms, and a full bath. Its walkout lower level adds a family room, bedroom, full bath, and two bonus rooms; this unit will be vacant at delivery. The second residence has a living and dining room with a fireplace, a renovated kitchen and pantry, three bedrooms, and a full bath updated in 2024. Two sunrooms include one with a treetop outlook toward Peter’s Hill, while the upper floor has a bonus room or bedroom and an additional bedroom. This unit is fully deleaded and leased through 8/31/27.

At 25 Mendum St. in Boston, the property has a private entrance into Peter’s Hill and is near Roslindale Village. Zoning is 2F-5000.

Key Highlights

• Two‑family property totaling 4,273 square feet, built in 1910
• First unit is a duplex with a walkout lower level and will be vacant at delivery
• Second unit is leased through 8/31/27 and is fully deleaded

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr

$107,976

Cap Rate

7.45%

Suggested Prices Based on Cap Rates

Cap Rate 5%

$2,159,520 $2.2M

Cap Rate 7%

$1,542,514 $1.5M

Cap Rate 9%

$1,199,733 $1.2M

Is this asking price fair?

Market Conditions

NOI Build-Up for 4,273 SF

Gross rent

$161.5K $37.80/SF

− Vacancy

−$7.3K −$1.70/SF

EGI

$154.3K $36.10/SF

− OpEx

−$46.3K −$10.83/SF

NOI

$108.0K $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%

$2,159,520

Cap Rate 7%

$1,542,514

Cap Rate 9%

$1,199,733

Alternative Uses

Best Use

Multifamily LT 5

$1.54M

$1.35M – $1.80M (±1% cap)

NOI $107,976 @ 7.0% cap · market cap 7.45%

Second Best

Apartment 5plus

$1.43M

$1.25M – $1.67M (±1% cap)

NOI $100,381 @ 7.0% cap · market cap 6.92%

Theoretical Best

Office A

$3.20M

$2.80M – $3.73M (±1% cap)

NOI $223,974 @ 7.0% cap · market cap 15.45%

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

Property Analytics

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Open Analytics

Lease Details

2

Residential units

Location Intelligence

Trade Area within ½ mile

1,266

Businesses Nearby

Explore this area Business Placement

Demographics for 02131, MA

30,544

Population

13,264

Households

2.3

Avg Household Size

39

Median Age

52%

College-Educated

89%

High-School Grad

2.8 sq mi

ZIP Area

10,909

Density / Sq Mi

$109,237

Median Household Income

$65,268

Median Earnings

$1,999

Median Rent

$634,200

Median Home Value

Market

Average Price Trend$/SF for Duplexes in Boston, MA

$528 Jul

$490 Aug

$500 Sep

$484 Oct

Properties on Market for Duplexes in Boston

Jul

Aug

Sep

Oct

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 distinct units include a vacant duplex and a leased residence with renovated kitchens, bonus rooms, and sunrooms.

Where is this duplex located?

The property is located at 25 Mendum Street Boston, MA.

What is the asking price?

The asking price for this property is $1,450,000.

What are key features of this property?

This property features: Two‑family property totaling 4,273 square feet, built in 1910; First unit is a duplex with a walkout lower level and will be vacant at delivery; Second unit is leased through 8/31/27 and is fully deleaded