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Two-Family Duplex with Garage
For Sale
$1,249,000
Pending

31 Willoughby St, Boston, MA 02135

Two residences offer updated kitchens and baths, in-unit laundry, and practical living and dining layouts.

Property Size2,434 SF
Lot Size0.11 Acres
Days on Market50

Property Features for 31 Willoughby St

General Information

Standard status Pending
Size 2,434 SF
Total Parking Spaces 2
Lot size 0.11 Acres
Property subtype Multi Family

Site & Location

Neighborhood Brighton
Highway Access Yes
Public Transit Yes

Units

Unit Mix 2 x 3BR/1BA
Multifamily Units 2

Additional Details

Gross Income $84,900

Amenities

in-unit laundry

Building Details

Building Size 2,434 SF
Year Built 1954
Buildings 1
Listing Agency: EDGE Realty Advisors
Listed By: Matt Gorman
Source: Iverty
Added: Sep 10 Changed: Oct 29 Last Checked: Oct 28 at 6:53AM

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 EDGE Realty Advisors

Rey
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Investment Insights

Based on property information with market context.

This up-down duplex contains two 3-bedroom, 1-bath residences with more than 2,400 square feet of combined living area. Each unit includes a modern kitchen and bath, a separate living room and dining room arrangement, and in-unit laundry. The property also includes a full basement, walk-up attic, and a 2-car garage for parking and storage.

The roof was replaced in 2019, and the exterior received a full painting in 2026. Set on a 4,979-square-foot corner lot at 31 Willoughby St, the property is near Boston College, public transportation, shopping, and highway access. Boston, Cambridge, and Allston are also described as minutes away. Current gross monthly rent is supported by the two residences, with the option to occupy one unit while renting the other.

Key Highlights

  • Two 3‑bedroom, 1‑bath units in an up‑down duplex configuration
  • 2,434 square feet of combined property size
  • 2‑car garage provides off‑street parking

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$61,505
Cap Rate
4.92%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,230,100 $1.2M
Cap Rate 7%
$878,643 $878.6K
Cap Rate 9%
$683,389 $683.4K
Market Conditions
NOI Build-Up for 2,434 SF
Gross rent
$92.0K $37.80/SF
− Vacancy
−$4.1K −$1.70/SF
EGI
$87.9K $36.10/SF
− OpEx
−$26.4K −$10.83/SF
NOI
$61.5K $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%
$1,230,100
Cap Rate 7%
$878,643
Cap Rate 9%
$683,389

Alternative Uses

Best Use
Multifamily LT 5
$878.6K
$768.8K – $1.03M (±1% cap)
NOI $61,505 @ 7.0% cap · market cap 4.92%
Second Best
Apartment 5plus
$816.9K
$714.8K – $953.0K (±1% cap)
NOI $57,180 @ 7.0% cap · market cap 4.58%
Theoretical Best
Office A
$1.82M
$1.59M – $2.13M (±1% cap)
NOI $127,581 @ 7.0% cap · market cap 10.21%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
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Lease Details

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

1,124
Businesses Nearby

Demographics for 02135, MA

47,232
Population
22,519
Households
2.1
Avg Household Size
29
Median Age
71%
College-Educated
93%
High-School Grad
2.6 sq mi
ZIP Area
18,166
Density / Sq Mi
$88,208
Median Household Income
$57,124
Median Earnings
$2,179
Median Rent
$684,000
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

Frequently Asked Questions

What type of property is this?
Duplex - Two residences offer updated kitchens and baths, in-unit laundry, and practical living and dining layouts.
Where is this duplex located?
The property is located at 31 Willoughby St Boston, MA.
What is the asking price?
The asking price for this property is $1,249,000.
What are key features of this property?
This property features: Two 3‑bedroom, 1‑bath units in an up‑down duplex configuration; 2,434 square feet of combined property size; 2‑car garage provides off‑street parking
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