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    Union County, NJ Office Properties & Spaces for Sale

    48 results
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    Berkeley Heights Office/Medical Suite
    Contact for pricing
    1.14 Acres

    Berkeley Heights Office/Medical Suite

    515 Springfield Ave, Berkeley Heights, NJ 07922

    3,450 SF office/medical suite in downtown Berkeley Heights.

    • 3,450 SF Office/Medical Suite in Downtown Berkeley Heights
    • High‑Grade Build‑Out with (6) Offices, Lab, and Large Treatment Space
    • Located at Traffic‑Controlled Intersection in Heritage Square Shopping Center
    • Across from Train Station, Near I‑78 and US‑22
    • Large Reception/Waiting Area, (2) Restrooms, Kitchen/Staff Lounge
    Updated: Feb 20
    View details
    Retail/Professional Building on Corner Lot
    Pending
    $915,000
    4,100 SF

    Retail/Professional Building on Corner Lot

    1360 Stuyvesant Ave, Union, NJ 07083

    Well-maintained retail/professional building with two units and parking.

    • Expansive 11,000 sq. ft. corner lot with private parking for 8+ cars.
    • Two units (convertible to 3), one vacant and fully renovated.
    • Long‑term tenant in one unit provides immediate income.
    • Fully renovated vacant unit with new bathrooms, kitchenette, flooring, CAC, electric service, roof, and hot water heater.
    • Full basement with 7 ft ceilings and French drain with sump pump for ample storage.
    Updated: Dec 18, 2025
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    Berkeley Heights Commercial Opportunity
    Contact for pricing
    15,312 SF

    Berkeley Heights Commercial Opportunity

    2,750 SF space on a corner lot.

    1 Russo Pl, Berkeley Heights, NJ 07922
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    Professional Office Suite Near Train
    Contact for pricing
    2,520 SF

    Professional Office Suite Near Train

    High-visibility office suite near Fanwood Train Station with dedicated parking.

    265 South Ave, Fanwood, NJ 07023
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    Garwood Boro Mixed-Use Property
    Contact for pricing
    0.16 Acres

    Garwood Boro Mixed-Use Property

    First floor commercial space with high visibility and open floorplan.

    245 South Ave, Garwood, NJ 07027
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    Mixed-Use Property on Elmora Avenue
    $1,369,900
    0.13 Acres

    Mixed-Use Property on Elmora Avenue

    Mixed-use property in Elizabeth, NJ with commercial space and apartment.

    376 Elmora Ave, Elizabeth, NJ 07208
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    Commercial Property with Multiple Units
    $1,900,000
    5,352 SF

    Commercial Property with Multiple Units

    Commercial property featuring multiple units and ample parking.

    198 North Ave E, Cranford, NJ 07016
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    Clark Twp. Commercial Office Space
    $675,000
    2,096 SF

    Clark Twp. Commercial Office Space

    Well-maintained office space in high-traffic location, ideal for professional services.

    30 Brant Ave, Clark, NJ 07066
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    Income-Producing Commercial Property For Sale
    $1,200,000
    3,800 SF

    Income-Producing Commercial Property For Sale

    Commercial property with office, garage, and rental income potential.

    1508 Front St, Scotch Plains, NJ 07076
    View details
    Downtown Commercial Building Near Train
    Pending
    $799,900
    4,000 SF

    Downtown Commercial Building Near Train

    Free-standing commercial building in downtown Garwood near the train station.

    334 North Ave, Garwood, NJ 07027
    View details
    Mixed-Use Property with Barber Shop
    $530,000
    1,026 SF

    Mixed-Use Property with Barber Shop

    Live and work opportunity in Hillside Twp., NJ.

    339 Hillside Ave, Hillside, NJ 07205
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    Two-Unit Commercial Building For Sale
    $699,900
    3,600 SF

    Two-Unit Commercial Building For Sale

    Two-unit commercial building with versatile space and rear parking.

    506 Elizabeth Ave, Elizabeth, NJ 07206
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    Renovated Retail/Office Space Available
    Contact for pricing
    450 SF

    Renovated Retail/Office Space Available

    Renovated commercial space in Linden City, ideal for small business.

    24 E Price St, Linden, NJ 07036
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    Roselle Park Office/Mixed-Use Building
    $1,499,900
    5,272 SF

    Roselle Park Office/Mixed-Use Building

    Two-story, 5,272 sq ft building in prime Roselle Park location.

    441 E Westfield Ave, Roselle Park, NJ 07204
    View details
    Prime Commercial Property in Linden
    $485,000
    2,658 SF

    Prime Commercial Property in Linden

    Spacious commercial property in downtown Linden with high visibility.

    348 S Wood Ave, Linden, NJ 07036
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    Move-in Ready Office Space
    Contact for pricing
    2,400 SF

    Move-in Ready Office Space

    Contractor-owned office space, clean, high visibility, seller leaseback option.

    1594 E 2Nd St, Scotch Plains, NJ 07076
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    Move-in Ready Office Space
    Contact for pricing
    2,400 SF

    Move-in Ready Office Space

    Contractor-owned office space, clean, high visibility, numerous amenities.

    1590 E 2Nd St, Scotch Plains, NJ 07076
    View details
    North Plainfield Office Building
    Contact for pricing
    8,200 SF

    North Plainfield Office Building

    8,200 SF office building with high visibility and parking.

    190 Greenbrook Rd, North Plainfield, NJ 07060
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    Commercial Building in Excellent Condition
    $499,900

    Commercial Building in Excellent Condition

    Freestanding commercial building in excellent condition with parking.

    1053 Westfield Ave, Rahway, NJ 07065
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    Renovated Warehouse with Office Space
    Contact for pricing
    14,500 SF

    Renovated Warehouse with Office Space

    14,500 SF warehouse with renovated office and loading docks.

    230 Marion Ave, Linden, NJ 07036
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    Mixed-Use Investment Property For Sale
    $1,575,000
    15,750 SF

    Mixed-Use Investment Property For Sale

    99% occupied mixed-use property with storage, warehouse, office, and residential.

    331-333 Centennial Ave, Cranford, NJ 07016
    View details
    3750SF Facility with Office Space
    $690,000
    3,750 SF

    3750SF Facility with Office Space

    Flex/Industrial/Office space featuring drive-in door, gas heat, and parking.

    407 Hope Ave, Roselle, NJ 07203
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    Westfield Retail Building with Expansion Potential
    Contact for pricing
    6,000 SF

    Westfield Retail Building with Expansion Potential

    6,000 SF retail building with approvals for 10 residential units.

    184 Elm St, Westfield, NJ 07090
    View details
    Renovated Office Suite Near Parkway
    $259,000
    800 SF

    Renovated Office Suite Near Parkway

    First floor office suite in Mountainside Crossings Office Park.

    1124 Springfield Ave, Mountainside, NJ 07092
    View details

    Union County, NJ Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 526 office properties & spaces for sale in Union County, NJ, showcased through 48 active listings on our real estate platform. These investment opportunities span a total of 834,494,568 square feet of properties for sale, with an estimated market value of $129,035,600.

    Sale prices for office spaces in Union County, NJ start at $90,000, averaging $605,800, and reaching up to $6,275,000 — 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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