Search
Two-Unit Duplex with Detached Garage

120 MOUNTAIN AVE, Somerville, NJ 08876

For Sale
New
$649,900

Separate kitchens, updated bathrooms, and individual laundry hookups serve the two residences.

Property SizeContact for details
Days on Market7

Property Features for 120 MOUNTAIN AVE

General Information

Standard status Active
Total Parking Spaces 2
Property subtype Multi Family

Site & Location

Highway Access Yes
Public Transit Yes

Units

Unit Mix 1 x 3BR, 1 x 2BR
Multifamily Units 2

Taxes and HOA fees

Annual Taxes $13,188

Amenities

covered porch
gardens
laundry hookups

Building Details

Year Built 1909
Buildings 1
Units 2
Construction Arts & Crafts
Listing Agency: RE/MAX Classic Group
Listed By: KAREN BENDALL · License #229749
Source: Elliman
Added: Nov 3 Changed: Nov 8 Last Checked: Nov 8 at 6:54AM

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 RE/MAX Classic Group

Rey
Ask AI about this property
Review the available facts, identify missing information and prepare questions for the agent.

Investment Insights

Based on property information with market context.

Built in 1909, this duplex pairs period details with distinct layouts across its two residences. The first unit spans two floors and includes three bedrooms, a walk-in closet, formal dining room, living room, den, and an updated kitchen with stainless steel appliances. The second has two bedrooms, a living room with a gas fireplace and original stone mantel, a sun parlor, and a galley kitchen with granite counters, breakfast bar, tile backsplash, and pantry. Both bathrooms have been updated. Hardwood floors and built-in shelving add interior character; the basement has been waterproofed and includes separate laundry hookups with interior and exterior stair access. Heating includes a newer gas furnace in Unit 1 and a mini-split system in Unit 2.

A detached two-car garage, covered porch, and flower and vegetable gardens are additional site features. The property is at 120 Mountain Ave in Somerville’s Historic District, with downtown shops, restaurants, community events, and train service to New York City within walking distance. Major highways are also accessible nearby.

Key Highlights

  • Two residences: a three‑bedroom unit and a two‑bedroom unit
  • Detached two‑car garage
  • Built in 1909

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Lease Details

2
Residential units
Yes
Highway access

Location Intelligence

Trade Area within ½ mile

1,973
Businesses Nearby

Demographics for 08876, NJ

22,849
Population
9,717
Households
2.4
Avg Household Size
40
Median Age
56%
College-Educated
94%
High-School Grad
16.0 sq mi
ZIP Area
1,428
Density / Sq Mi
$120,823
Median Household Income
$70,464
Median Earnings
$1,776
Median Rent
$468,400
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Average Price Trend$/SF for Duplexes in Somerset County, NJ

$313 Jul
$350 Aug
$518 Sep
$329 Oct

Properties on Market for Duplexes in Somerset County

Jul
Aug
Sep
Oct

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 - Separate kitchens, updated bathrooms, and individual laundry hookups serve the two residences.
Where is this duplex located?
The property is located at 120 MOUNTAIN AVE Somerville, NJ.
What is the asking price?
The asking price for this property is $649,900.
What are key features of this property?
This property features: Two residences: a three‑bedroom unit and a two‑bedroom unit; Detached two‑car garage; Built in 1909
Research This Page with AI

Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

Ask Rey → ChatGPT Grok Claude
Preferred Make Realmo a preferred source.

Our comps and market reports get this label in your Google results.

Add as a preferred source on Google One click on Google
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message
Why this one?
Saved