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    Middlesex County, NJ Office Buildings for Sale

    17 results
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    Highland Park Commercial Office Building
    $1,400,000
    6,454 SF

    Highland Park Commercial Office Building

    1001 Raritan Ave, Highland Park, NJ 08904

    Commercial office building suitable for medical, professional, or administrative use.

    • Prime commercial location in Highland Park with high traffic count and visibility.
    • Two separate suites suitable for medical, professional, or administrative use.
    • On‑site parking for 12‑14 cars and easy access to public transportation.
    • First suite: Spacious layout with six exam rooms/offices, waiting room, reception area, common area, and two bathrooms.
    • Second suite: Large open room with eight exam rooms/offices and two bathrooms.
    Updated: Sep 15, 2025
    View details
    East Brunswick Professional Office Building
    Contact for pricing
    26,000 SF

    East Brunswick Professional Office Building

    646 Rte 18 Hwy, East Brunswick, NJ 08816

    Well-located office building with flexible layout and excellent accessibility.

    • Excellent visibility and convenient access directly on heavily trafficked Route 18.
    • Entrances on both Route 18 and Arthur Street with easy access to major highways.
    • Gross lease terms with CAM and utilities included for predictable operating costs.
    • Flexible suite layout with private offices, open workspaces, and a kitchenette.
    • Ample on‑site parking.
    Updated: Nov 11, 2025
    View details
    Woodbridge Proper Office Investment Property
    $1,350,000
    4,810 SF

    Woodbridge Proper Office Investment Property

    Fully leased office building with AAA tenant in central location.

    111 Saint Joseph Ter, Woodbridge, NJ 07095
    View details
    Multi-Use Office Building For Sale
    $799,999
    3,010 SF

    Multi-Use Office Building For Sale

    Multi-use office building in excellent condition with separate units.

    1462 Roosevelt Ave, Carteret, NJ 07008
    View details
    East Brunswick Standalone Office Building
    $599,000
    1,548 SF

    East Brunswick Standalone Office Building

    Standalone office building in high-traffic East Brunswick location.

    731 State Route 18, East Brunswick, NJ 08816
    View details
    South Amboy Commercial Building For Sale
    $1,750,000
    7,668 SF

    South Amboy Commercial Building For Sale

    Commercial building near train station with development potential in South Amboy.

    131 N Broadway, South Amboy, NJ 08879
    View details
    Freestanding Office Building on Route 18
    $580,000
    1,201 SF

    Freestanding Office Building on Route 18

    Two-story office building on Route 18 with excellent visibility.

    702 N State Rte 18 Hwy, East Brunswick, NJ 08816
    View details
    Franklin Twsp Office/Medical Building
    $1,599,000
    4,483 SF

    Franklin Twsp Office/Medical Building

    Pristine 4,483 SF office/medical building in Franklin Twsp, NJ.

    3055 State Rte 27 Rte, Franklin Park, NJ 08823
    View details
    North Brunswick Office Building For Sale
    $1,250,000
    5,144 SF

    North Brunswick Office Building For Sale

    5,144 SF office building, ideal for investors or owner-users.

    1562 Us Hwy 130 Hwy, North Brunswick, NJ 08902
    View details
    Spacious Office Building on Main
    Contact for pricing
    3,200 SF

    Spacious Office Building on Main

    3200 SqFt office building in prime Main Street location.

    141 Main St, South River, NJ 08882
    View details
    96,000 SF Office Building
    Contact for pricing
    96,015 SF

    96,000 SF Office Building

    Three-story office building near Route 27 and I-287.

    2035 Lincoln Hwy, Edison, NJ
    View details
    High-End Medical/Office Building
    Contact for pricing
    18,300 SF

    High-End Medical/Office Building

    18,300 SF Class B office building, fully leased.

    2124 Oak Tree Rd, Edison, NJ 08820
    View details
    Office Building with Permitted Storage
    Contact for pricing
    25,586 SF

    Office Building with Permitted Storage

    25,586 SF office building on 3.93 acres with storage.

    3145 Bordentown Ave, Parlin, NJ 08872
    View details
    Freestanding Bank Building on Route 27
    $1,500,000
    2,500 SF

    Freestanding Bank Building on Route 27

    2,500 SF bank building for sale or lease.

    36 Middlesex Ave, Edison, NJ 08820
    View details
    Edison Office Building For Sale
    $3,400,000
    9,045 SF

    Edison Office Building For Sale

    9,045 SF office building available in Edison, New Jersey.

    16 Ethel Rd, Edison, NJ 08817
    View details
    Iselin Office Building For Sale
    Contact for pricing
    21,000 SF

    Iselin Office Building For Sale

    21,000 SF office building in Iselin, New Jersey.

    530 Green St, Iselin, NJ 08830
    View details
    Medical/Professional Office Building For Sale
    Contact for pricing
    2,547 SF

    Medical/Professional Office Building For Sale

    2,547 SF medical/professional office building with infrastructure in place.

    854 Livingston Ave, North Brunswick, NJ 08901
    View details
    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 17 Active Listings in Middlesex County, NJ, we suggest to view alternatives - similar 834 Off-Market properties to explore as potential leads.

    Explore Off-Market Properties in Middlesex County, NJ

    Consider similar Off-Market properties in Middlesex County, NJ. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    485th Us Hwy 1st S

    485th Us Hwy 1st S

    OFFICE BUILDING • 4.15 Acres
    Value Estimation by Request
    485th Us Hwy 1st S, Iselin, NJ 08830-3012
    View details
    485th Us Hwy 1st S

    485th Us Hwy 1st S

    OFFICE BUILDING • 4.13 Acres
    Value Estimation by Request
    485th Us Hwy 1st S, Iselin, NJ 08830-3013
    View details
    313 Amboy Ave

    313 Amboy Ave

    OFFICE BUILDING • 0.29 Acres
    Value Estimation by Request
    313 Amboy Ave, Woodbridge, NJ 07095-2818
    View details
    663 Brace Ave

    663 Brace Ave

    OFFICE BUILDING • 2,964 SF
    Value Estimation
    $380,000
    663 Brace Ave, Perth Amboy, NJ 08861-3027
    View details
    2 Woodland Ave

    2 Woodland Ave

    OFFICE BUILDING • 1,635 SF
    Value Estimation by Request
    2 Woodland Ave, East Brunswick, NJ 08816-1616
    View details
    227 State Rte 27

    227 State Rte 27

    OFFICE BUILDING • 834 SF
    Value Estimation
    $240,000
    227 State Rte 27, Iselin, NJ 08830-1619
    View details
    11 Main St

    11 Main St

    OFFICE BUILDING • 1,201 SF
    Value Estimation by Request
    11 Main St, East Brunswick, NJ 08816-4710
    View details

    Middlesex County, NJ Office Buildings Investment Opportunities Market Analysis

    Explore 851 office buildings for sale in Middlesex County, NJ, showcased through 17 active listings on our real estate platform. These investment opportunities span a total of 49,616,400 square feet of properties for sale, with an estimated market value of $309,423,000.

    Prices for office properties in Middlesex County, NJ start at $60,000, averaging $615,155, and reaching up to $19,750,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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