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Two-Unit Duplex with Basement
New
For Sale
$729,999

237 Middlesex Ave, Iselin, NJ 08830

MULTI_FAMILY - Woodbridge Twp., NJ

Property SizeContact for details
Lot Size0.22 Acres
Days on Market3

Property Features for 237 Middlesex Ave

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 5
Bathrooms 4
Full bathrooms 4
Rooms Bathroom 4, Bedroom 3, Bedroom 1, Bathroom 1, Bedroom 5, Basement, Bedroom 2, Bedroom 4, Bathroom 3, Bathroom 2
Parking 5
Directions LINCOLN HWY TO MIDDLESEX AVE
Standard status Active
Lot size 0.22 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 14270

Utilities

Sewer type Public Sewer
Heating system Forced Air
Cooling system Central Air
Water source Public

Building Details

Year built 1955
Floors in Building 2
Number of units 2
Roof type Shingle
Architectural style Other
Listing Agency: EXP REALTY, LLC
Listed By: JASON ECKERT
Added: Aug 7 Last Checked: Aug 9 at 9:06PM
MLS# 4045514

Copyright © 2026 Garden State MLS, LLC. 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.

This two-unit residential property includes distinct layouts on each floor. The first-floor residence has 3 bedrooms, 3 full bathrooms, and a full basement, while the second-floor unit provides 2 bedrooms and 1 full bathroom. Each unit has its own side driveway. The property is being sold strictly as-is, with buyer responsibility for evaluating condition and municipal requirements.

Built in 1955, the building has forced-air heating, central air, a shingle roof, public water, and public sewer. Its location at 237 Middlesex Ave in Woodbridge Twp. places it near Metropark train station, shopping, restaurants, major highways, and other local amenities.

Key Highlights

  • Two residential units with separate side driveways
  • First‑floor unit includes 3 bedrooms, 3 full bathrooms, and a full basement
  • Second‑floor unit offers 2 bedrooms and 1 full bathroom

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Dental Office Real Estate Agency Auto Parts Store Gym & Fitness Center Spa & Massage Center Electrical Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,560
Businesses Nearby

Demographics for 08830, NJ

20,088
Population
6,618
Households
3
Avg Household Size
39
Median Age
55%
College-Educated
89%
High-School Grad
3.2 sq mi
ZIP Area
6,278
Density / Sq Mi
$112,615
Median Household Income
$61,805
Median Earnings
$2,051
Median Rent
$394,200
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Separate driveways serve the two residential units, with public water and sewer connections.
Where is this duplex located?
The property is located at 237 Middlesex Ave Iselin, NJ.
What is the asking price?
The asking price for this property is $729,999.
What are key features of this property?
This property features: Two residential units with separate side driveways; First‑floor unit includes 3 bedrooms, 3 full bathrooms, and a full basement; Second‑floor unit offers 2 bedrooms and 1 full bathroom
More about this property
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