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    Union County, NJ Office Buildings for Lease

    11 results
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    Cranford Office Building For Lease
    $2,700 / Mo
    5,352 SF

    Cranford Office Building For Lease

    198 North Ave E, Cranford, NJ 07016

    Professional/Doctor's office building in downtown Cranford business district.

    • Prime office space in downtown Cranford business district.
    • Onsite parking for over 22 cars with newly pavered lot.
    • Suitable for medical practices (pediatric, internal medicine, OBGYN, dental).
    • Multiple conference rooms, waiting area, X‑ray capabilities, and reception area.
    • Large lot (over half acre) with architectural details and updates.
    Updated: Oct 20, 2025
    View details
    Summit Office Space For Rent
    $23 SF/Yr
    3,336 SF

    Summit Office Space For Rent

    60 Morris Tpke, Summit, NJ 07901

    Conveniently located office building with easy highway access.

    • Convenient location close to Routes 24, 78, Garden State Parkway, and Route 287.
    • Handicap accessible building with an elevator.
    • Prime location: Walking distance to restaurants, banks, and stores, and less than ten minutes to Short Hills Mall.
    • Each suite has its own separately controlled HVAC system.
    • Less than ten minutes to Short Hills, Milburn, and Summit train stations; less than thirty minutes to Newark Airport.
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    Class A Office Space Summit
    Contact for pricing
    21,968 SF

    Class A Office Space Summit

    Premier office building in Summit, New Jersey, with 21,968 SF.

    535 Springfield Ave, Summit, NJ 07901
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    Renovated Mixed-Use Building in Summit
    Contact for pricing
    4,040 SF

    Renovated Mixed-Use Building in Summit

    Fully renovated mixed-use building in Downtown Summit's retail corridor.

    88 Summit Ave, Summit, NJ 07901
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    Versatile Commercial Space Available
    Contact for pricing
    3,814 SF

    Versatile Commercial Space Available

    82,062 SF three-story building suitable for various uses.

    65 Jackson Dr, Cranford, NJ 07016
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    Union Office Space For Lease
    Contact for pricing
    43,476 SF

    Union Office Space For Lease

    Office space available for lease in Union, New Jersey.

    1085 Morris Ave, Union, NJ 07083
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    Office Building Near Transportation
    Contact for pricing
    5,321 SF

    Office Building Near Transportation

    Office building with parking and convenient access to public transit.

    140 Mountain Ave, Springfield, NJ 07081
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    Class A Office Building
    Contact for pricing
    17,138 SF

    Class A Office Building

    Four-story office building with reflective glass facade.

    420-430 Mountain Ave, New Providence, NJ 07974
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    Freestanding Office Building For Lease
    Contact for pricing
    2,911 SF

    Freestanding Office Building For Lease

    2911 SF office building available for lease.

    2 Edison Pl, Springfield, NJ 07081
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    Four-Story Building For Lease
    $26 SF/Yr
    6,176 SF

    Four-Story Building For Lease

    60,000 square foot building suitable for hotel or restaurant.

    25 Commerce Dr, Cranford, NJ 07016
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    Class A Office Space Available
    Contact for pricing
    4,152 SF

    Class A Office Space Available

    Class A office space for lease in Union County, NJ.

    899 Mountain Ave, Springfield, NJ 07081
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    Based on your search, we've compiled 20 Potential Opportunities for your consideration. Besides 11 Active listings in Union County, NJ, we suggest exploring alternatives. Similar 9 Properties for Sales.

    Explore Similar Spaces for Sale in Union County, NJ

    Consider Similar Space for Sale. We found 9 Spaces in Nearby Locations matching your search parameters.

    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
    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
    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
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    Downtown Commercial Redevelopment Opportunity
    Contact for pricing
    12,765 SF

    Downtown Commercial Redevelopment Opportunity

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

    20 Franklin Pl, Summit, NJ 07901
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    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
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    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
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    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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    Summit Office Building For Sale
    Contact for pricing
    5,924 SF

    Summit Office Building For Sale

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

    47 River Rd, Summit, NJ 07901
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    Union Office Building For Sale
    $6,000,000
    12,534 SF

    Union Office Building For Sale

    Office building with 12,534 square feet of space.

    1767 Us Highway 22 W, Union, NJ 07083
    View details

    Union County, NJ Office buildings Leasing Opportunities Market Analysis

    Explore Office buildings leasing options in Union County, NJ with 20 listings featured on our commercial real estate exchange. The current inventory includes 647,475,840 square feet of properties with an estimated lease value of $55 SF/Yr.

    Estimated lease rates for Office buildings in Union County, NJ begin at $6 SF/Yr, with an average of $18 SF/Yr and extend to $26 SF/Yr.
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    Browse Office buildings for Lease Near Union, NJ

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