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    Union County, NJ Office Properties & Spaces for Sale

    41 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: Oct 24, 2025
    View details
    Prime Commercial Property in Linden
    $485,000
    2,658 SF

    Prime Commercial Property in Linden

    348 S Wood Ave, Linden, NJ 07036

    Spacious commercial property in downtown Linden with high visibility.

    • Prime downtown Linden location with high visibility and foot traffic.
    • Spacious 2,658 sq. ft. single‑level layout offers flexibility for various business types.
    • Includes a full kitchen and bathroom.
    • Easily accessible to major highways and public transportation.
    • Built in 1998 with durable block and brick construction.
    Updated: Sep 3, 2025
    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
    Retail/Professional Building on Corner Lot
    Pending
    $915,000
    4,100 SF

    Retail/Professional Building on Corner Lot

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

    1360 Stuyvesant Ave, Union, NJ 07083
    View details
    Commercial Building in Rahway City
    Pending
    $499,900
    2,450 SF

    Commercial Building in Rahway City

    Freestanding building in excellent condition with parking.

    Rahway City, Rahway, NJ 07065
    View details
    Versatile Mixed-Use Building in Roselle
    Pending
    $1,499,900
    5,272 SF

    Versatile Mixed-Use Building in Roselle

    Two-story, 5,272 sq ft building suitable for offices or mixed-use.

    441-443 E Westfield Ave, Roselle Park, NJ 07204
    View details
    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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    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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    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
    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
    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
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    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
    View details
    Freestanding Commercial Building For Sale
    $1,200,000
    3,000 SF

    Freestanding Commercial Building For Sale

    3,000 sq ft commercial building in high-traffic location.

    2535 Us Highway 22 Ctr, Union, NJ 07083
    View details
    Versatile Mixed-Use Property in Linden
    $824,999

    Versatile Mixed-Use Property in Linden

    Three-unit property near North Wood Avenue with commercial and residential spaces.

    721 N Wood Ave, Linden, NJ 07036
    View details
    Prime Cranford Office Building
    $785,000
    2,100 SF

    Prime Cranford Office Building

    Standalone building in Cranford's growing downtown business corridor.

    10 South Ave, Cranford, NJ 07016
    View details
    Freestanding Brick and Stone Building
    $625,000
    1,800 SF

    Freestanding Brick and Stone Building

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

    1790 Front St, Scotch Plains, NJ 07076
    View details
    Elizabeth Office Space: Prime Location
    Contact for pricing
    0.21 Acres

    Elizabeth Office Space: Prime Location

    Spacious Office, High Ceilings, Abundant Light

    6 Caldwell Pl, Elizabeth, NJ 07201
    View details
    Westfield Office Space - 1000 sq ft
    Contact for pricing
    0.17 Acres

    Westfield Office Space - 1000 sq ft

    Downtown Westfield office, renovated, great parking.

    232 Saint Paul St, Westfield, NJ 07090
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    Mountainside Office Building Investment
    $156,000
    7,688 SF

    Mountainside Office Building Investment

    Four Suites, Excellent Investment Opportunity

    1044 Suite 1, Mountainside, NJ 07092
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    Westfield Office Space for Lease
    Contact for pricing
    0.26 Acres

    Westfield Office Space for Lease

    Prime Downtown Westfield Office - All Utilities Included

    226 St Paul St, Westfield, NJ 07090
    View details
    Mountainside Office Building Investment
    $185,000
    7,688 SF

    Mountainside Office Building Investment

    Four Suites, Excellent Investment Opportunity

    1044 Suite 2, Mountainside, NJ 07092
    View details
    Mountainside Office Building Investment
    $150,000
    7,688 SF

    Mountainside Office Building Investment

    Four Suites, Excellent Investment Opportunity

    1044 Suite 4, Mountainside, NJ 07092
    View details
    Union, NJ Office Suites - Immediate Occupancy
    Contact for pricing
    1.23 Acres

    Union, NJ Office Suites - Immediate Occupancy

    Brand new, affordable offices near NYC.

    1620 Vauxhall Rd, Union, NJ 07083
    View details
    Union, NJ Office Space for Sale
    Contact for pricing

    Union, NJ Office Space for Sale

    Prime Union location, affordable office space.

    477 Chestnut St, Union, NJ 07083
    View details

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

    Explore 514 office properties & spaces for sale in Union County, NJ, showcased through 41 active listings on our real estate platform. These investment opportunities span a total of 834,504,587 square feet of properties for sale, with an estimated market value of $128,435,600.

    Prices for office spaces in Union County, NJ start at $90,000, averaging $605,828, and reaching up to $6,275,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Browse Office Properties & Spaces for Sale Near Union, NJ

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