Search
Two-Level Office Unit
For Sale
Contact for pricing

335 Union Ave, Belleville, NJ 07109

Flexible layout with natural light and independently usable levels for professional office operations.

Property SizeContact for details
Days on Market53

Property Features for 335 Union Ave

General Information

Standard status Active

Additional Details

Public Transit Yes

Building Details

Year Built 1921
Listing Agency: C-21 SEMIAO & ASSOCIATES
Listed By: ISABEL RIBAU
Source: Goldstandardrealty
Added: Jul 9 Changed: Aug 28 Last Checked: Aug 29 at 12:12PM

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 C-21 SEMIAO & ASSOCIATES

Investment Insights

Based on property information with market context.

Located at 335 Union Avenue in Belleville, this office unit is arranged across two levels that can support separate departments, business functions, or independent operations. The interior offers adaptable space for private offices, consultation rooms, or an open-plan arrangement, while large windows bring substantial daylight into the workplace.

The property sits across from a public school along a busy corridor, providing visibility and consistent daily activity. It also offers access to major roadways, public transportation, and nearby residential areas. The configuration is suited to accountants, attorneys, consultants, medical or wellness professionals, and other office-based businesses seeking a flexible workspace in Belleville.

Key Highlights

  • Two‑level layout supports separate departments or independently operated business functions
  • Large windows provide abundant natural light throughout the office
  • Flexible interior can accommodate private offices, consultation rooms, or open workspace

Property Analytics

Current Use

Office Units

Suggested Use

Top Pick Law Firm Real Estate Agency Dental Office (Bike/Boat/Book/etc) Store Clothing & Fashion Store Food Market

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

1,355
Businesses Nearby

Demographics for 07109, NJ

38,078
Population
15,045
Households
2.5
Avg Household Size
39
Median Age
31%
College-Educated
87%
High-School Grad
3.3 sq mi
ZIP Area
11,539
Density / Sq Mi
$90,164
Median Household Income
$47,446
Median Earnings
$1,596
Median Rent
$405,500
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?
Office units - Flexible layout with natural light and independently usable levels for professional office operations.
Where is this office units located?
The property is located at 335 Union Ave Belleville, NJ.
What are key features of this property?
This property features: Two‑level layout supports separate departments or independently operated business functions; Large windows provide abundant natural light throughout the office; Flexible interior can accommodate private offices, consultation rooms, or open workspace
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