Union County, NJ Office Buildings for Sale

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Newark, NJ Paterson, NJ Jersey City, NJ Elizabeth, NJ Trenton, NJ Atlantic City, NJ East Orange, NJ Toms River, NJ

12 properties

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Updated: Jun 5

Mixed-Use Office Building with Parking

441-443 E Westfield Avenue, Roselle Park, NJ 07204

$999,999

5,272 sqft 0.29 AC lot

Approx. 5,272 SF mixed‑use building across two levels at 441–443 E Westfield Ave, Roselle Park
Flexible layout suited for professional offices, medical use, owner‑user, or mixed‑use investment strategies
Forced air heat; public water and public sewer
Parking lot on‑site for employees and clients
Previously used as professional offices for medical and legal practices

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This listing looks promising.

Here's a quick look at some key insights for

441-443 E Westfield Avenue, Roselle Park, NJ 07204

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Est. Cap Rate

8.1%
Above avg (5.9%)
Est. NOI

$81K
Annual
Mortgage

$875K
Nov 2023
Last Sold

Nov 2023
$1.25M

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Updated: Apr 27

Two-Story Office Building with Signage

1299 US Route 22 Highway E, Mountainside, NJ 07092

$1,750,000

5,580 sqft 0.59 AC lot

5,580 SF two‑story office building currently used as a law office
Layout includes six offices, two conference areas, four smaller offices, admin area, and tech room
Kitchenette area plus 3 bathrooms
Ample parking with front and rear entrances
Central air and forced‑air heating; flat roof

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Renovated Mixed-Use Trophy Property

82 Floral Ave, New Providence, NJ 07974

$1,500,000

4,216 sqft

Renovated 3,800 SF mixed-use property near NP train station.

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Prime Union Commercial Property For Sale

1307 Stuyvesant Ave, Union, NJ 07083

$1,250,000

2,800 sqft 0.36 AC lot

Iconic property in Union's thriving Downtown Transition Zone.

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Westfield Professional Building For Sale

114 S Euclid Ave, Westfield, NJ 07090

$1,250,000

3,200 sqft 0.24 AC lot

Three-story professional building with basement and parking in Westfield, NJ.

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Mixed-Use Office and Residential Building

441-443 E Westfield Avenue, Roselle Park, NJ 07204

$999,999

5,272 sqft

Two-level building with office/medical flexibility, ample on-site parking, and zoning that allows up to three residential units.

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Two-Story Medical/Office Building For Sale

1530 Saint Georges, Rahway, NJ 07065

$1,100,000

2,000 sqft

Two-story medical/office building with income potential in Rahway, NJ.

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Freestanding Brick and Stone Building

1790 Front St, Scotch Plains, NJ 07076

$625,000

1,800 sqft

Professional building with off-street parking; first floor delivered vacant.

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Union Office Building For Sale

1767 US Highway 22 W, Union, NJ

$6,000,000

12,534 sqft 0.90 AC lot

Office building with 12,534 square feet of space.

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Summit Office Building For Sale

47 River Rd, Summit, NJ

Contact for pricing

5,924 sqft 0.39 AC lot

Office building with 5,924 square feet available for sale.

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Historic Corner Library-Style Office Building

266 E Broad St, Westfield, NJ 07090

$4,200,000

Iconic corner building formerly a Carnegie Library, suited for office or retail with downtown proximity.

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Downtown Commercial Redevelopment Opportunity

20 Franklin Pl, Summit, NJ

Contact for pricing

12,765 sqft 0.94 AC lot

Four buildings totaling 12,765 SF on approximately 1 acre.

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Based on your search, we've compiled 76 Potential Opportunities for your consideration. Besides 12 Active listings in Union County, NJ, we suggest exploring several alternatives: similar 60 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

B-B Zoned Commercial Land

Watchung, NJ 07069

$449,000

Commercial land in a B-B zoning district with all utilities available in the street and multiple professional/medical permitted uses.

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Richmond Avenue Commercial Lot

964 Richmond Avenue, Staten Island, NY 10314

$1,250,000

0.41 AC lot

Nearly 18,000 sq ft lot in a busy commercial district.

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Piscataway Land Development Opportunity

115 Stelton Road, Piscataway, NJ 08854

$279,000

0.12 AC lot

Prime 0.1171-acre lot in high-traffic area, ideal for development.

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East Brunswick Commercial Land Opportunity

51 W Prospect Street, East Brunswick, NJ 08816

Contact for pricing

6,000 sqft 0.50 AC lot

Prime commercial land for sale in East Brunswick, New Jersey.

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Off-Market Properties in Union County, NJ

Consider similar Off-Market properties in Union County, NJ. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

OFFICE BUILDING

655 Pt 1300th Ave, Elizabeth, NJ 07201-1213

Value Estimation by Request

7,020 sqft 0.56 AC lot

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OFFICE BUILDING

613 Westminster Ave, Elizabeth, NJ 07208-2208

Unit 619

$530,000

Estimated value

2,917 sqft 0.53 AC lot

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OFFICE BUILDING

264-268 Broad St, Elizabeth, NJ 07208-3701

Unit 268

$1,695,000

Estimated value

13,066 sqft 0.17 AC lot

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OFFICE BUILDING

504 Maple Ave, Elizabeth, NJ 07202-3514

Unit R500-R

Value Estimation by Request

660 sqft 0.55 AC lot

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OFFICE BUILDING

519 Pennsylvania Ave, Elizabeth, NJ 07201-1183

Unit 525

$910,000

Estimated value

5,892 sqft 0.47 AC lot

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OFFICE BUILDING

440 Broad St, Westfield, NJ 07090-2124

$1,800,000

Estimated value

7,196 sqft 0.57 AC lot

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OFFICE BUILDING

1507 Saint Georges Ave, Rahway, NJ 07065-2717

$570,000

Estimated value

1,058 sqft 0.12 AC lot

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OFFICE BUILDING

115 Jefferson Ave, Elizabeth, NJ 07201-2417

Value Estimation by Request

2,794 sqft 0.05 AC lot

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OFFICE BUILDING

113 Jefferson Ave, Elizabeth, NJ 07201-2417

Value Estimation by Request

1,762 sqft 0.05 AC lot

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OFFICE BUILDING

468 Nn Ave, Elizabeth, NJ 07208-1738

Unit 474

$810,000

Estimated value

3,702 sqft 0.31 AC lot

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OFFICE BUILDING

530 Westfield Ave, Elizabeth, NJ 07208-1623

Unit 532

$845,000

Estimated value

4,209 sqft 0.14 AC lot

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OFFICE BUILDING

108 Jersey St, Elizabeth, NJ 07202-2013

Unit 110

$850,000

Estimated value

3,628 sqft 0.17 AC lot

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Union County, NJ Office Buildings Market Trends and Statistics

Explore 72 office buildings for sale in Union County, NJ, showcased through 12 active listings on our real estate platform. These investment opportunities span a total of 42,674 square feet of properties for sale, with an estimated market value of $15,474,998.

Sale prices for office properties in Union County, NJ start at $625,000, averaging $1,719,444, and reaching up to $6,000,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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