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    Middlesex County, NJ Office Spaces for Lease

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    Found 273 office space listings for lease in Middlesex County, NJ, averaging $20/SF/YR. Use lease type data to compare options faster.
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    Second-Floor Office Units
    Second-Floor Office Units

    253 Livingston Avenue, New Brunswick, NJ 08901

    Contact for pricing

    Office accommodations on two upper levels, each with dedicated bathroom access and flexible leasing options.

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    Edison Office Building For Rent
    Edison Office Building For Rent

    343 Thornall St, Edison, NJ

    Contact for pricing
    78–131 people  4 spaces  19,676 sqft  3.16 acres

    195,700 SF office building with sheltered parking.

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    Built-Out Medical Office Space
    Built-Out Medical Office Space

    Monmouth Junction, NJ 08852

    Contact for pricing
    Highway access  Road access

    Private entrance, pantry, dedicated offices, and open hall support a flexible healthcare or laboratory layout.

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    Amenity-Rich Office Tower
    Amenity-Rich Office Tower

    1 Tower Center Blvd, East Brunswick, NJ 08816

    Contact for pricing
    107–178 people  26,770 sqft

    24-story office tower with recently completed building renovation, covered parking, and on-site hotel and conference center.

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    Commercial Space for Lease
    Commercial Space for Lease

    100 S Washington Ave, Dunellen, NJ 08812

    Contact for pricing
    15–25 people  3,808 sqft

    Commercial space available for lease in Dunellen, New Jersey.

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    South Plainfield Office Space Available
    South Plainfield Office Space Available

    904 Oak Tree Ave, South Plainfield, NJ

    Contact for pricing
    8–13 people  2,050 sqft  8.49 acres

    2050 SF office space for rent in South Plainfield.

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    Office Suite with Reception Area
    Office Suite with Reception Area

    843 Rahway Avenue # 204, Woodbridge, NJ 07095

    Contact for pricing
    Floor 2

    Utilities are included, with shared restroom facilities available for occupants and visitors.

    Common bathrooms  Outdoor sign
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    Office Unit with Reception Area
    Office Unit with Reception Area

    843 Rahway Avenue # 206, Woodbridge, NJ 07095

    Contact for pricing
    Floor 2

    Second-floor suite pairs a private work area with client reception space, shared restrooms, and utilities included in rent.

    Dedicated waiting/reception area  Common bathrooms  Outdoor sign
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    Stately Office Building
    Stately Office Building

    515 Plainfield Ave, Edison, NJ 08817

    Contact for pricing
    17–29 people  4,473 sqft
    Public transit  Highway access

    Brick-front office building with abundant operable windows, ADA compliance, and Verizon/cable connectivity.

    3.5/1,000 SF parking  Front signage monument  Abundant operable windows  Verizon and Cablevision Connectivity
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    Windowed Private Office Suite
    Windowed Private Office Suite

    894 Green Street # D1, Iselin, NJ 08830

    Contact for pricing
    brick
    Public transit  1 private office  Highway access

    A flexible lease and dedicated parking space complement this private workspace.

    1 parking space  24/7 access
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    Two-Unit Second-Floor Office
    Two-Unit Second-Floor Office

    528 Rahway Avenue, Woodbridge, NJ 07095

    Full service
    Contact for pricing
    Floor 2
    2 private offices  Highway access

    Utilities are covered under the full-service lease for these private workspaces.

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    Warehouse with 16’ Ceiling Height
    Warehouse with 16’ Ceiling Height

    6 Jules Ln, New Brunswick, NJ 08901

    Triple net (NNN)
    Contact for pricing
    12,000 sqft  16 ft clear  2 docks + 1 drive-in  1,450 sqft office
    Highway access

    Warehouse unit with office buildout, two tailgates, a drive-in door, and NNN lease terms near major routes and the NJ Turnpike.

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    Flex Facility with Truck Garage
    Flex Facility with Truck Garage

    212 Blackhorse Lane, North Brunswick, NJ 08852

    Contact for pricing
    Built 2026

    Industrial property combines warehouse, office, and vehicle-service areas with dock and drive-through access.

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    Corner Medical Office Suite
    Corner Medical Office Suite

    400 Perrine Rd, Old Bridge, NJ 08857

    Contact for pricing
    Multi-tenant  1,136 sqft
    Highway access  Road access

    Corner office suite in Old Bridge Professional Plaza featuring four offices, generous common area, a private restroom, and elevator access.

    Elevator access
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    First-Floor Medical Office Space
    First-Floor Medical Office Space

    222 Easton Avenue # B, New Brunswick, NJ 08901

    Contact for pricing

    The layout includes five private rooms, a reception area, and a separate consultation room or office.

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    Coworking and Private Offices with Flexible Terms at NJ, Monmouth Junction - Route 1. Contact us today to book a tour!
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    Serviced Offices with Business Support at NJ, Branchburg- RT 22 E. Contact us today to book a tour!
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    Medical Office Suite with Exam Rooms
    Medical Office Suite with Exam Rooms

    7 Brunswick Woods Drive # 11, East Brunswick, NJ 08816

    Gross
    Contact for pricing
    Multi-tenant
    Highway access

    The ground-level suite has three exam rooms and two bathrooms.

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    Office Building Near Woodbridge Mall
    Office Building Near Woodbridge Mall

    90 Woodbridge Center Dr, Woodbridge, NJ

    Contact for pricing
    11–18 people  2,750 sqft  9.97 acres

    2,750 SF office space in ten-story building for rent.

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    Second-Floor Office Unit
    Second-Floor Office Unit

    497 Lincoln Highway # 2L, Iselin, NJ 07095

    Contact for pricing
    Floor 2
    Public transit

    Shared bathrooms serve the second-floor office suites.

    Common bathrooms
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    Second-Floor Office Unit
    Second-Floor Office Unit

    497 Lincoln Highway, Iselin, NJ 07095

    Contact for pricing
    Floor 2
    Public transit

    A second-floor workspace with shared bathroom facilities is available for lease.

    Common bathrooms
    View details
    Edison Office Space For Rent
    Edison Office Space For Rent

    2163 Oak Tree Rd, Edison, NJ

    Contact for pricing
    80–133 people  1 space  20,000 sqft  4.79 acres

    20,000 sq ft office space available for lease.

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    Medical Office Space with Exam Rooms
    Medical Office Space with Exam Rooms

    72 State Route 27, Edison, NJ 08820

    Contact for pricing
    1,040–4,160 sqft  4,160 sqft building  2-story
    Road access  OS-2

    Renovated two-story space offers medical buildout, including plumbed exam rooms, therapy areas, and an x-ray room.

    14 parking spaces  Reception area  Waiting area  Exam rooms
    View details
    Iselin Office Space Available
    Iselin Office Space Available

    100 Wood Ave S, Iselin, NJ

    Contact for pricing
    130–216 people  6 spaces  32,500 sqft  7.53 acres

    Available office space in Iselin, New Jersey.

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