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Updated Four-Unit Quadplex
For Sale
$999,999

120 S Broadway, South Amboy, NJ 08879

Multi-Family, 3-Three Story, South Amboy City, NJ

Property Size3,386 SF
Lot Size0.06 Acres
Price / SF$295.33
Days on Market100

Property Features for 120 S Broadway

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 7
Bathrooms 5
Full bathrooms 4
Half bathrooms 1
Rooms Bathroom 1, Bedroom 1, Bathroom 5, Basement, Bedroom 7, Bedroom 3, Bedroom 6, Bedroom 4, Bathroom 3, Bathroom 4, Bathroom 2, Bedroom 2, Bedroom 5
Interior features Carbon Monoxide Detector, Walk-In Closet
Exterior features Wood Fence
Fencing Wood
Subdivision South Amboy
Directions Main st. to N. Broadway turns to S. Broadway
Standard status Active
Size 3,386 SF
Lot size 0.06 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 8432

Utilities

Sewer type Public Sewer
Water source Public

Building Details

Floors in Building 3
Number of units 4
Roof type Flat, Shingle
Architectural style Other
Listing Agency: HALO REALTY PROPERTIES LLC
Listed By: KLAUDIA PIOTROWICZ · License #1648941
Added: May 27 Changed: Sep 3 Last Checked: Sep 3 at 9:06AM
MLS# 4030164

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 legal four-family property contains 3,386 square feet across four apartments: two three-bedroom units, one one-bedroom apartment, and one studio. Three units have been recently updated. Interior features include walk-in closets and carbon monoxide detectors, while the property is served by public water and public sewer. The building includes a basement, flat and shingle roofing, and a fenced exterior.

The property sits directly across from a train station and bus stop, with the local ferry service also in town. Restaurants, shopping, schools, parks, and houses of worship are located nearby along Broadway and throughout the surrounding area. On-street parking is available at no charge. The 0.06-acre parcel offers a four-unit configuration in a transit-oriented South Amboy setting.

Key Highlights

  • Legal four‑family property with 4 units
  • 3,386 square feet on a 0.06‑acre parcel
  • Unit mix includes two 3‑bedroom apartments, one 1‑bedroom unit, and one studio

Financial Insights

Estimated NOI and Cap Rate

NOI = area × lease_rate × (100 − vacancy) / 100 × (1 − expense_ratio). Net Operating Income — what the owner takes home each year before mortgage payments and income tax. Effective rent (asking rent minus vacancy losses) minus operating costs (taxes, insurance, maintenance, management).
NOI / Yr
$56,669
Cap rate = NOI / list price × 100. Capitalization rate — annual return on a fully cash purchase, before financing. NOI divided by price. Higher means more income per dollar invested, but usually also more risk or older condition. 5–8% is typical for stabilized commercial property; double digits often signal distressed deals.
Cap Rate
5.67%
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$1,133,380 $1.1M
Cap Rate 7%
$809,557 $809.6K
Cap Rate 9%
$629,656 $629.7K
Market Conditions
NOI Build-Up for 3,386 SF Vacancy — income lost from leasable area expected to sit empty during the year, subtracted from gross rent. EGI (Effective Gross Income) — gross rent minus vacancy losses, the realistic income before paying operating costs. OpEx (Operating Expenses) — recurring costs to operate the property (property tax, insurance, utilities, maintenance, management); excludes financing and capital improvements. NOI (Net Operating Income) — income a property generates after operating costs but before financing and taxes.
Gross rent
$86.5K $25.56/SF
− Vacancy
−$5.6K −$1.65/SF
EGI
$81.0K $23.91/SF
− OpEx
−$24.3K −$7.17/SF
NOI
$56.7K $16.74/SF
Area
Middlesex County, NJ
Vacancy
6.46%
Lease Rate
$25.56 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates Cap rates vary significantly by property type, market, and asset quality. Typical U.S. stable-market ranges: Multifamily — 4.5% to 6.5% (Class A in primary markets often sub-5%; Class C in secondary markets 6%+) Industrial / Logistics — 5.0% to 7.0% (compressed heavily in recent years due to e-commerce demand) Office — 6.5% to 9%+ (wide spread post-2020; CBD Class A vs. suburban Class B varies dramatically) Retail — 5.5% to 8.5% (grocery-anchored on the low end, unanchored strip centers higher) Hospitality / Hotels — 7.5% to 10%+ (higher due to operational risk) Self-Storage — 5.5% to 7.5% Medical Office — 6.0% to 7.5% Net Lease (single tenant, credit) — 5.0% to 7.0% depending on tenant credit and lease term Rules of thumb: Primary markets (NYC, SF, LA, Boston, DC) trade at lower cap rates than secondary/tertiary markets, often by 100–200 bps (bps, aka basis points; 1 bp = 0.01%). Class A assets trade ~50–150 bps tighter than Class B, and Class B tighter than Class C. Cap rates move inversely with price — a lower cap rate means a higher price for the same NOI. Spread to the 10-year Treasury is a common benchmark; historically 200–400 bps over the 10-year.
Cap Rate 5%
$1,133,380
Cap Rate 7%
$809,557
Cap Rate 9%
$629,656

Alternative Uses

Best Use
Multifamily LT 5
$809.6K
$708.4K – $944.5K (±1% cap)
NOI $56,669 @ 7.0% cap · market cap 5.67%
Second Best
Apartment 5plus
$743.9K
$650.9K – $867.8K (±1% cap)
NOI $52,070 @ 7.0% cap · market cap 5.21%
Theoretical Best
Office A
$884.2K
$773.6K – $1.03M (±1% cap)
NOI $61,891 @ 7.0% cap · market cap 6.19%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Quadplexes

Suggested Use

Top Pick Real Estate Agency Law Firm Grocery & Convenience Store Hair Salon Skin Care Clinic (Bike/Boat/Book/etc) Store

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

4
Residential units
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

510
Businesses Nearby

Demographics for 08879, NJ

22,965
Population
9,737
Households
2.4
Avg Household Size
42
Median Age
32%
College-Educated
89%
High-School Grad
7.1 sq mi
ZIP Area
3,235
Density / Sq Mi
$98,000
Median Household Income
$57,998
Median Earnings
$1,633
Median Rent
$377,700
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

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

What type of property is this?
Quadplex - Legal four-family property with commuter access, varied unit layouts, and recent improvements to three apartments.
Where is this quadplex located?
The property is located at 120 S Broadway South Amboy, NJ.
What is the asking price?
The asking price for this property is $999,999.
What are key features of this property?
This property features: Legal four‑family property with 4 units; 3,386 square feet on a 0.06‑acre parcel; Unit mix includes two 3‑bedroom apartments, one 1‑bedroom unit, and one studio
More about this property
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