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    Middlesex County, NJ Flex Space for Lease

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    Found 51 flex space listings for lease in Middlesex County, NJ, averaging $23/SF/YR. Use lease type data to compare options faster.
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    Coworking and Private Offices with Flexible Terms at NJ, South Brunswick - Cornwall Rd. Contact us today to book a tour!
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    Coworking and Private Offices with Flexible Terms at NJ, Brunswick - Easton Ave. Contact us today to book a tour!
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    Flex Space with Garage Bays
    Updated: Jul 7
    Flex Space with Garage Bays

    46 N Main Street N, Milltown, NJ 08850

    $2,500/Mo
    1,798 sqft 0.28 AC lot
    1,798 SF flex space on a 0.2789‑acre parcel
    Three garage bays with high ceilings
    Private bathroom and heated interior
    LED lighting and storage loft
    B‑1 zoning with public water and public sewer
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    Flex Space with Loading Dock
    Updated: Jun 4, 2025
    Flex Space with Loading Dock

    224 Washington Street, Perth Amboy, NJ 08861

    $3,838/Mo
    1.02 AC lot
    Zoning supports warehousing, light industrial, storage, and other uses
    Loading dock and freight‑elevator access
    1.02‑acre lot in Perth Amboy
    Built in 1900; forced‑air, natural‑gas heating
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    Fully Serviced Business Solutions at NJ, New Brunswick - Bayard Street. Contact us today to book a tour!
    Fully Serviced Business Solutions at NJ, New Brunswick - Bayard Street. Contact us today to book a tour!

    100 Bayard St, Unit 08901, New Brunswick, NJ 08901

    Coworking
    $189-$20,533/Mo per office
    1–13 people  15 spaces  11–2,013 sqft

    Discover many ways to work your way in Fully Serviced Business Solutions at NJ, New Brunswick - Bayard Street. Contact us today to book a tour!

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    Smart Workspace Options at NJ, New Brunswick - Plaza II. Contact us today to book a tour!
    Smart Workspace Options at NJ, New Brunswick - Plaza II. Contact us today to book a tour!

    317 George St, Unit 320, New Brunswick, NJ 08901

    Coworking
    Contact for pricing
    8–14 people  16 spaces  2,120 sqft

    Discover many ways to work your way in Smart Workspace Options at NJ, New Brunswick - Plaza II. Contact us today to book a tour!

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    Flex Space with Three Service Bays
    Flex Space with Three Service Bays

    31 Bordentown Turnpike, Jamesburg, NJ 08831

    $6,500/Mo
    3,525 sqft  Built 1953

    Fenced outdoor parking and a dedicated office support vehicle-oriented service operations.

    Fenced yard  9 parking spaces
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    Four-Unit Flex Industrial Building
    Four-Unit Flex Industrial Building

    7 7b Union Hill Road 1-4, Monroe Township, NJ 08831

    $15 SF/Yr
    14,000 sqft  20 ft clear  1 drive-in  200A 3-phase

    Under-construction flex space offers separately metered units with office areas, drive-in access, and customizable layouts.

    Utilities to site  8 parking spaces
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    Flex Space with Loading Dock
    Flex Space with Loading Dock

    144 12th St, Piscataway, NJ 08854

    $10,000/Mo
    5,600 sqft  1 dock  Built 2002  2,800 sqft office
    Highway access

    A balanced office and warehouse layout includes private meeting and break areas, restrooms, and dock access.

    Conference Room  Break Room
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    Four-Unit Flex Space
    Four-Unit Flex Space

    7B Union Hill Road #1-4, Monroe Township, NJ 08831

    $16 SF/Yr
    14,000 sqft  20 ft clear  1 drive-in  200A 220V 3-phase
    Highway access

    Each unit combines dedicated office space, separate access, utility metering, and drive-in loading for a range of commercial operations.

    33 parking spaces
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    Truck Terminal With Office and Bay
    Truck Terminal With Office and Bay

    90 Tyler Pl, South Plainfield, NJ 07080

    $15,000/Mo
    3,890 sqft  30 ft clear  200A 220V  metal frame
    Highway access

    Industrial facility with truck parking, office space, a high-clearance bay, and security infrastructure.

    Utilities to site  30 trailer spaces  Furnished  Cameras and security
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    Auto Service Shop with Fenced Parking
    Auto Service Shop with Fenced Parking

    31 Bordentown Tpke, Monroe Township, NJ 08831

    $6,500/Mo
    3 bays  9 spaces  Built 1953

    A service-oriented workspace combines dedicated office and storage areas with a secured outdoor parking area.

    Outdoor storage  Fenced yard  Bathroom  Storage closet
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    Flexible Offices and Coworking at NJ, Edison - Fieldcrest Avenue. Contact us today to book a tour!
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    Workspace Solutions at NJ, South Plainfield - Hadley Rd. Contact us today to book a tour!
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    Serviced Office Space for Rent at Knightsbridge. Contact us today to book a tour!
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    Flexible Offices and Coworking at Metropark. Contact us today to book a tour!
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    Warehouse and Office Flex Building
    Warehouse and Office Flex Building

    900 Durham Ave, South Plainfield, NJ 07080

    Contact for pricing
    31,800 sqft  2 docks + 2 drive-in  Heavy power  Masonry with Partial Steel Panels
    M-3A

    Masonry flex facility with 12’ clear office, 30’ clear warehouse, 2 loading docks, and 80-car parking.

    Sprinklered  80 parking spaces
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    Divisible Warehouse Building
    Divisible Warehouse Building

    7B Union Hill Road #1-4, Monroe, NJ 08831

    Contact for pricing
    14,000 sqft  20 ft clear  1 drive-in  200A 120V 3-phase
    Highway access

    New industrial space with contractor-oriented features and convenient Turnpike access in Central New Jersey.

    32 parking spaces
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    Flex Space with Office Area
    Flex Space with Office Area

    76 National Road, Edison, NJ 08817

    Contact for pricing
    25,000 sqft

    Commercial flex property combining warehouse and dedicated office space.

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    Stand-Alone Industrial Building
    Stand-Alone Industrial Building

    130 Patterson Street, Perth Amboy, NJ 08861

    Contact for pricing
    8,800 sqft  15 ft clear  1 drive-in
    Highway access

    Move-in ready stand-alone industrial building with 15-foot ceilings, a drive-in door, and in-place plumbing and HVAC.

    Sprinklered
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    Flex Space with Loading
    Flex Space with Loading

    70 Ethel Road West, Piscataway, NJ 08854

    Contact for pricing
    12,151 sqft  62,000 sqft building  2,500 sqft office

    Available space includes office area and both tailboard and drive-in loading.

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    Warehouse with Loading Docks
    Warehouse with Loading Docks

    900 Milik St, Carteret, NJ 07008

    Contact for pricing
    24,500 sqft  22.4 ft clear  2 docks  2,000A 480V 3-phase

    Industrial space combines substantial warehouse capacity with dedicated office area, high clear height, and three-phase electrical service.

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    Industrial Outdoor Storage Facility
    Industrial Outdoor Storage Facility

    575 Ridge Road, Monmouth Junction, NJ 08852

    Contact for pricing
    6,000 sqft  24 ft clear  4 drive-in
    Light Industrial

    Light industrial site with a 4,000 SF warehouse, freestanding office, and permitted outdoor storage.

    Outdoor storage
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    Renovated Flex Space with Roll-Up
    Renovated Flex Space with Roll-Up

    777 Scudders Mill Rd, Plainsboro, NJ 08540

    Contact for pricing
    4,000 sqft

    Newly renovated flex space featuring modern interiors and a roll-up door.

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    Iselin Flex Space For Lease
    Iselin Flex Space For Lease

    90 Cooper Ave, Iselin, NJ 08830

    Modified gross
    Contact for pricing
    100–10,000 sqft

    Church Building with Separate Office/Daycare

    50 parking spaces
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    East Brunswick Service Facility For Rent
    East Brunswick Service Facility For Rent

    49 W Ferris St, East Brunswick, NJ 08816

    Contact for pricing
    9,720 sqft  Built 1986

    9,720 SF service facility with four drive-in doors.

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    Middlesex County, NJ Flex space Market Trends and Statistics

    Explore Flex space leasing options in Middlesex County, NJ with 51 listings featured on our commercial real estate exchange. The current inventory includes 995,215 square feet of properties with an estimated lease value of $137.52.

    Estimated lease rates for Flex space in Middlesex County, NJ begin at $15 SF/Yr, with an average of $22.92 SF/Yr and extend to $46.27 SF/Yr.
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    Featured Middlesex County Real Estate Agencies

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

    J J Elek Realty
    117 Main Street Woodbridge, NJ 07095
    Phone: (732) 634-9100
    www.jjelekrealty.com
    On Track Realty
    186 Lincoln Highway Edison, NJ 08820
    Phone: (732) 494-2211
    www.ontrackrealty.com
    Realmart Realty LLC
    1110 Hamilton Blvd, Suite 2A South Plainfield, NJ 07080
    Phone: (732) 727-2285
    www.realmartrealty.com
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