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Mixed-Use Property with Office Space
For Sale
$899,000

1800 N State Route 35 Road, South Amboy, NJ 08879

Commercial Sale, South Amboy, NJ

Property Size1,723 SF
Price / SF$521.76
Days on Market137

Property Features for 1800 N State Route 35 Road

General Information

Property type Commercial Sale
Property subtype Other
Zoning B3
Parking 12
Standard status Active
APN 1900531000000111
Size 1,723 SF

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 9103

Utilities

Sewer type Public Sewer
Heating system Hot Water(Heating), Baseboard
Cooling system Ceiling Fan(s), Window Unit(s)
Water source Public

Building Details

Year built 1920
Floors in Building 2
Flooring type Carpet, Wood
Building materials Vinyl Siding
Roof type Asphalt
Listing Agency: EXP REALTY, LLC
Listed By: Sean Williams
Added: Apr 25 Changed: Sep 5 Last Checked: Sep 8 at 7:06PM
MLS# 2614612R

Copyright © 2026 All Jersey MLS. 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 mixed-use property contains 1,723 square feet across three combined lots. The building is currently configured as a two-family residence with a distinct office area, providing both residential and office components within the same asset. B3 zoning supports the listed commercial classification, while wood and carpet flooring, vinyl siding, asphalt roofing, hot-water baseboard heat, and window-unit cooling define the existing improvements.

Located at 1800 N State Route 35 Road in South Amboy, the property offers access to the Garden State Parkway and Route 9. Large parking areas serve the building, and public water and public sewer are in place. Built in 1920, the property combines an established structure with a mixed-use layout and highway-oriented access.

Key Highlights

  • 1,723‑square‑foot mixed‑use property on 3 combined lots
  • Currently configured as a 2‑family residence with a separate office space
  • B3 zoning

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
$28,836
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
3.21%
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%
$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 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
$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 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%
$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.

Property Analytics

Current Use

Duplexes

Suggested Use

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

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

Yes
Highway access

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

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
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Mixed-use property - Two-family occupancy and a separate office area create a flexible mixed-use configuration with substantial on-site parking.
Where is this mixed-use property located?
The property is located at 1800 N State Route 35 Road 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: 1,723‑square‑foot mixed‑use property on 3 combined lots; Currently configured as a 2‑family residence with a separate office space; B3 zoning
More about this property
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