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    Union County, NJ Office Spaces for Sale

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    Linden Office Unit For Sale
    Updated: Mar 18
    Linden Office Unit For Sale

    348 S Wood Avenue S, Linden, NJ 07036

    $449,900
    1,140 sqft 0.05 AC lot
    Durable brick construction
    Enjoy year‑round comfort with central air conditioning
    Public water source
    Public sewer
    Easy‑to‑clean tile flooring
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    Mixed-Use Property with Rooftop Terrace
    Updated: Oct 12
    Mixed-Use Property with Rooftop Terrace

    2003 Morris Ave, Union, NJ 07083

    $3,500,000
    0.54 AC lot
    43 apartments across studio, one‑bedroom, one‑bedroom‑plus‑den, and two‑bedroom layouts
    Approximately 25,000+/- SF of commercial space
    0.54‑acre site at 2003 Morris Ave, Union, NJ 07083
    Residential amenities include a fitness center, media lounge, package area, party room, and rooftop terrace
    Commercial space includes event, professional office, and coworking configurations
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    Two-Story Office Building
    Two-Story Office Building

    1299 US Route 22 Highway E, Mountainside, NJ 07092

    $1,750,000
    5,580 sqft 0.59 AC lot

    Commercially zoned office property with multiple offices, conference areas, surrounding parking, and separate front and rear entrances.

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    Two-Level Mixed-Use Property
    Two-Level Mixed-Use Property

    441443 441-443 E Westfield Ave, Roselle Park, NJ 07204

    $999,999
    5,272 sqft

    Versatile commercial building with office configuration, on-site parking, and potential for residential units.

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    Medical Office Building
    Medical Office Building

    25 Morris Avenue, Springfield, NJ 07081

    $1,200,000
    5,200 sqft 0.20 AC lot

    Doctor/medical office building with commercial zoning, built in 1985, near 26,695 vehicles per day traffic count.

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    Corner Mixed-Use Building
    Corner Mixed-Use Building

    53 Summit Ave, Summit, NJ 07901

    $2,100,000
    4,200 sqft

    Corner property with ground-floor commercial space and three upstairs residences plus flexible lower-level space with direct exterior access.

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    Mixed-Use Property with Income Potential
    Mixed-Use Property with Income Potential

    2504 Plainfield Ave, Scotch Plains, NJ 07076

    $1,875,000
    4,032 sqft

    Versatile commercial property with office, warehouse, and yard space.

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    Medical Office Space with Flexible Layout
    Medical Office Space with Flexible Layout

    700 N Broad St, Elizabeth, NJ 07208

    $225,625
    12,000 sqft

    Existing medical office space with internet service, available furnishings, parking, and subdivision flexibility.

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    Freestanding Office Building
    Freestanding Office Building

    348 S Wood Ave, Linden, NJ 07036

    $449,900
    1,140 sqft

    Freestanding commercial space in the OPT zoning district supports professional and service-oriented operations.

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    First-Floor Medical Office Space
    First-Floor Medical Office Space

    700 N Broad St, Elizabeth, NJ 07208

    $200,001
    12,000 sqft

    Accessible office condominium with lobby exposure, expansive windows, two lavatories, and upgraded interior finishes.

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    Prime Union Commercial Property For Sale
    Prime Union Commercial Property For Sale

    1307 Stuyvesant Ave, Union, NJ 07083

    $1,250,000
    2,863 sqft

    Iconic property in Union's thriving Downtown Transition Zone.

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    Office Building with Basement
    Office Building with Basement

    35 Brant Ave, Clark, NJ 07066

    $925,000
    2,600 sqft

    Owner-occupied office property with additional unfinished lower-level space.

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    Medical Office with Exam Rooms
    Medical Office with Exam Rooms

    592 Springfield Ave, Westfield, NJ 07090

    Contact for pricing
    4,600 sqft

    The layout combines patient waiting and reception areas with private and clinical support spaces.

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    Top-Floor Office Unit
    Top-Floor Office Unit

    220 Lenox Ave, Westfield, NJ 07090

    Contact for pricing
    6,000 sqft

    Approximately 1,000 square feet with private offices, collaborative workspace, and dedicated conference facilities.

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    Corner Medical Office Unit
    Corner Medical Office Unit

    577 Westfield Ave, Westfield, NJ 07090

    Contact for pricing
    6,000 sqft

    Second-floor professional office suite with private offices, reception space, conference area, lavatory, and off-street parking.

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    Office Suite with Private Offices
    Office Suite with Private Offices

    1317-1319 North Ave, Elizabeth, NJ 07208

    Contact for pricing
    2,000 sqft

    A reception area, conference room, and assigned parking support day-to-day professional operations.

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    Five-Room Professional Office Suite
    Five-Room Professional Office Suite

    19 Holly St, Cranford, NJ 07016

    Contact for pricing
    690 sqft

    A first-floor suite offers a dedicated waiting area, shared restrooms, and views of a park.

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    Office Building
    Office Building

    210 Haven Avenue, Scotch Plains, NJ 07076

    Contact for pricing
    10,000 sqft

    Commercial office building with a substantial amount of interior space.

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    Two-Unit Office Suite
    Two-Unit Office Suite

    9 Elm St, Westfield, NJ 07090

    Contact for pricing
    1,500 sqft

    Second-floor professional workspace offers flexible division, private offices, open areas, and shared restroom access.

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    Updated Office Suite
    Updated Office Suite

    917 Mountain Avenue, Suite 2, Mountainside, NJ 07092

    Contact for pricing
    1,339 sqft

    Two private offices accompany a conference area, reception space, kitchenette, lobby, foyer, and private bathroom.

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    Updated Four-Office Suite
    Updated Four-Office Suite

    917 Mountain Avenue, Suite 1, Mountainside, NJ 07092

    Contact for pricing
    1,185 sqft

    Professional office suite with a private restroom, reception area, work area, and on-site parking.

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    Light Industrial Flex Building
    Light Industrial Flex Building

    640 West 1st Avenue, Roselle, NJ 07203

    Contact for pricing
    6,200 sqft

    Light industrial building with 6,200 SF total, a fenced yard, and an attached 1,020 SF office.

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    Flex Space with Warehouse
    Flex Space with Warehouse

    44 Commerce St, Springfield, NJ 07081

    Contact for pricing
    4,000 sqft 0.50 AC lot

    Flex property combining office accommodation with warehouse functionality and on-site parking.

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    Office Building
    Office Building

    47 River Rd, Summit, NJ 07901

    Contact for pricing
    2,722 sqft

    For-sale office building in Summit, New Jersey totaling 5,924 square feet.

    View details
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    Union County, NJ Office Spaces Market Trends and Statistics

    Explore 72 office spaces for sale in Union County, NJ, showcased through 70 active listings on our real estate platform. These investment opportunities span a total of 297,193 square feet of properties for sale, with an estimated market value of $18,748,325.

    Sale prices for office properties in Union County, NJ start at $38,000, averaging $1,171,770, and reaching up to $3,500,000 — 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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    Featured Union County Real Estate Agencies

    Realmo connects you with licensed Union County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Better Homes and Gardens RE Elite
    181 North Ave East Cranford, NJ 07016
    Phone: 19083168530
    coldwell banker liberty
    67 ELMORA AVE Elizabeth, NJ 07202
    Phone: 19085271711
    www.homesliberty.com
    Century 21 Real Estate Group
    1824 Front Scotch Plains, NJ 07076
    Phone: 19083222901
    www.century21realestategroupnj.com
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