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Mixed-Use Office and Duplex
For Sale
$899,000

1800 State Route 35, South Amboy, NJ 08879

For-sale mixed-use building with separate office and large parking, positioned for strong traffic flow and highway access.

Property Size1,723 SF
Price / SF$521.76
Days on Market181

Property Features for 1800 State Route 35

General Information

Standard status Active
Size 1,723 SF

Taxes and HOA fees

Annual Taxes $9,103
Listing Agency: EXP REALTY, LLC
Listed By: SEAN WILLIAMS
Source: Exprealty
Added: Apr 25 Changed: Oct 2 Last Checked: Oct 20 at 10:22PM

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 EXP REALTY, LLC

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Investment Insights

Based on property information with market context.

The property at 1800 State Route 35 combines a two-family residential setup with a separate office space, supported by a configuration designed for dual use. It sits on three combined lots, providing a generous overall lot size and room to support day-to-day access needs. The existing office area can be adapted to fit a variety of business requirements, while the residential component supports a traditional income-producing structure.

Located in South Amboy in a highly visible area, the site is described as offering excellent traffic flow. Access is highlighted as convenient to major highways, including the Garden State Parkway and Route 9, which can support both client visits and employee commuting. The property is also noted for large parking areas, intended to make the site practical for customers, clients, or staff.

For buyers or operators looking for flexible, mixed-use space, this offering provides an on-site office component alongside residential units, along with the benefit of a lot layout that can accommodate parking needs. The listing also references versatile zoning options, which may appeal to users planning a business presence that blends with residential operations. This is a straightforward option for an investor or owner-operator seeking to manage and market a property with both living and working space under one ownership.

Key Highlights

  • Mixed‑use building currently used as a 2‑family with a separate office space
  • 3 combined lots with a generous lot size
  • Large parking areas for customers, clients, or employees

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$28,836
Cap Rate
3.21%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$576,720 $576.7K
Cap Rate 7%
$411,943 $411.9K
Cap Rate 9%
$320,400 $320.4K
Market Conditions
NOI Build-Up for 1,723 SF
Gross rent
$44.0K $25.56/SF
− Vacancy
−$2.8K −$1.65/SF
EGI
$41.2K $23.91/SF
− OpEx
−$12.4K −$7.17/SF
NOI
$28.8K $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 Rate 5%
$576,720
Cap Rate 7%
$411,943
Cap Rate 9%
$320,400

Alternative Uses

Best Use
Multifamily LT 5
$411.9K
$360.5K – $480.6K (±1% cap)
NOI $28,836 @ 7.0% cap · market cap 3.21%
Second Best
Apartment 5plus
$378.5K
$331.2K – $441.6K (±1% cap)
NOI $26,496 @ 7.0% cap · market cap 2.95%
Theoretical Best
Office A
$449.9K
$393.7K – $524.9K (±1% cap)
NOI $31,494 @ 7.0% cap · market cap 3.50%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Open Analytics

Current Use

Duplexes

Suggested Use

Top Pick Law Firm Plumbing Service Bakery (Bike/Boat/Book/etc) Store Barber Shop Skin Care Clinic

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

Location Intelligence

Trade Area within ½ mile

194
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
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025

Frequently Asked Questions

What type of property is this?
Duplex - For-sale mixed-use building with separate office and large parking, positioned for strong traffic flow and highway access.
Where is this duplex located?
The property is located at 1800 State Route 35 South Amboy, NJ.
What is the asking price?
The asking price for this property is $899,000.
What are key features of this property?
This property features: Mixed‑use building currently used as a 2‑family with a separate office space; 3 combined lots with a generous lot size; Large parking areas for customers, clients, or employees
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