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    Iselin, NJ Office Spaces for Sale

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    10 properties
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    Built-Out Medical Office Space
    Updated: Apr 19
    Built-Out Medical Office Space

    Iselin, NJ 08830

    Contact for pricing
    1,500 sqft
    Four consultation and examination rooms
    Waiting area with reception and administrative space
    Conference room, pantry, and break room included
    ADA‑accessible washroom and rear entrance
    Medical office in Iselin within the Woodbridge area
    View details
    Move-In Ready Office Suite
    Updated: Mar 1
    Move-In Ready Office Suite

    C-894 Green St, Iselin, NJ 08830

    Contact for pricing
    3,600 sqft
    Move‑in ready 900 SF office suite in the Green Street / Oak Tree Business District with a private entrance
    Private bathroom plus an open layout for cubicles or workstations, with three large private conference/office rooms
    Individually metered HVAC with full temperature control and dedicated ductwork (separately metered and individually ventilated)
    Located in a recently renovated brick building with marble, granite, and soft neutral flooring
    Ample parking and 24/7 access with no after‑hours overcharges; flexible lease terms
    View details
    Freestanding Office Suite
    Freestanding Office Suite

    D-894 Green St, Iselin, NJ 08830

    Contact for pricing
    3,600 sqft

    Private entry, bathroom, windowed workspace, and individually controlled HVAC support efficient day-to-day operations.

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    See what stands out in Middlesex County

    We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

    We check every listing here. A few are worth a second look.

    Cap Rate available after sign in
    NOI available after sign in
    Local Demand available after sign in
    Iselin Office Unit For Sale
    Iselin Office Unit For Sale

    1 Austin Avenue #B, Iselin, NJ 08830

    Contact for pricing
    4,142 sqft

    208 SF office unit available for immediate occupancy.

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    Renovated Office Units with Private Entrances
    Renovated Office Units with Private Entrances

    894 Green Street D, Iselin, NJ 08830

    Contact for pricing
    3,600 sqft

    Move-in ready office suites feature individual entrances, private bathrooms, and dedicated HVAC temperature control.

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    Free-Standing Office Units
    Free-Standing Office Units

    1-2 Austin Ave, Iselin, NJ 08830

    Contact for pricing
    3,052 sqft

    Each unit includes a half bath with a gross lease structure and no CAM charges.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Flex Space with Remodeled Foyer
    Flex Space with Remodeled Foyer

    B-1 Austin Ave, Iselin, NJ 08830

    Contact for pricing
    4,142 sqft

    Remodeled entrance foyer with four bathrooms and both street and private parking access.

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    Freestanding Office Building
    Freestanding Office Building

    260 Middlesex Essex Turnpike, Iselin, NJ 08830

    Contact for pricing

    Standalone office property offering a compact commercial footprint for professional office use.

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    Medical Office Suite
    Medical Office Suite

    Iselin, NJ 08830

    Contact for pricing

    Multipurpose office space currently operating as a doctor’s office, offering flexible room configurations for work and meetings.

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    Office Space Near Metro Park
    Office Space Near Metro Park

    Iselin, NJ 08830

    Contact for pricing

    Office space available in a coveted location near Metro Park.

    View details
    Based on your search, we've compiled 78 Potential Opportunities for your consideration. Besides 10 Active listings in Iselin, NJ, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 60 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Mixed-Use Property with Two Buildings
    Mixed-Use Property with Two Buildings

    676 Amboy Ave, Woodbridge, NJ 07095

    $1,899,000
    7,111 sqft 0.49 AC lot

    Two adjoining parcels combine office space, a residential home, parking, and access between Amboy Ave and St Georges Ave.

    View details
    Professional Office Building with Garage
    Professional Office Building with Garage

    169 Demorest Avenue, Avenel, NJ 07001

    $679,900
    1,621 sqft 0.19 AC lot

    Established office property with dedicated parking, private workspace, two bathrooms, and convenient access to regional transportation.

    View details
    Professional Office with Parking Garage
    Professional Office with Parking Garage

    169 Demorest Avenue, Avenel, NJ 07001

    $679,900
    1,621 sqft 0.34 AC lot

    Well-maintained office space with parking near major highways.

    View details
    Highway Visible Former Title Agency
    Highway Visible Former Title Agency

    515 Amboy Avenue, Woodbridge, NJ 07095

    Contact for pricing

    Clean, ready office space with off-street parking and highway visibility.

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Commercial Land in Sewaren, NJ
    Commercial Land in Sewaren, NJ

    511 cliff Road, Sewaren, NJ 07077

    $500,000
    1 sqft

    Commercial land available for sale in Sewaren, New Jersey.

    View details
    Piscataway Land Investment Opportunity
    Piscataway Land Investment Opportunity

    1315 West 6th Street, Piscataway, NJ 08854

    $174,900
    3,999 sqft 0.09 AC lot

    Cleared lot in Piscataway, potential investment with GB zoning.

    View details
    Elevator-Served Specialty Property
    Elevator-Served Specialty Property

    51 W Prospect Street, East Brunswick, NJ 08816

    Contact for pricing
    6,000 sqft 0.50 AC lot

    The property combines stucco construction with forced-air heat and zoned cooling.

    View details
    Office Building with Elevator
    Office Building with Elevator

    51 W Prospect Street, East Brunswick, NJ 08816

    $3,000,000
    6,000 sqft 0.50 AC lot

    OP1-zoned office property with accessible elevator service, public utilities, and a mix of laminate and wood flooring.

    View details

    Off-Market Properties in Iselin, NJ

    Consider similar Off-Market properties in Iselin, 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.

    1433 Oak Tree Rd
    OFFICE BUILDING

    1433 Oak Tree Rd, Iselin, NJ 08830-1699

    $1,395,000
    Estimated value
    0.12 AC lot
    View details
    1100 Grn St
    OFFICE BUILDING

    1100 Grn St, Iselin, NJ 08830-2172

    $695,000
    Estimated value
    2,496 sqft 0.35 AC lot
    View details
    33 Wood S Ave
    OFFICE BUILDING

    33 Wood S Ave, Iselin, NJ 08830-2735

    Value Estimation by Request
    138,240 sqft 6.63 AC lot
    View details
    1375 Oak Tree Rd
    OFFICE BUILDING

    1375 Oak Tree Rd, Iselin, NJ 08830-1623

    Value Estimation by Request
    1,785 sqft 0.13 AC lot
    View details
    669 State Rte 27
    OFFICE BUILDING

    669 State Rte 27, Iselin, NJ 08830-1820

    $725,000
    Estimated value
    0.14 AC lot
    View details
    876 Grn St
    OFFICE BUILDING

    876 Grn St, Iselin, NJ 08830-2102

    $585,000
    Estimated value
    2,294 sqft
    View details
    800 Grn St
    OFFICE BUILDING

    800 Grn St, Iselin, NJ 08830-2910

    $455,000
    Estimated value
    2,524 sqft 0.26 AC lot
    View details
    21 Plymouth Dr
    OFFICE BUILDING

    21 Plymouth Dr, Iselin, NJ 08830-1344

    $250,000
    Estimated value
    768 sqft 0.16 AC lot
    View details
    1481 Oak Tree Rd
    OFFICE BUILDING

    1481 Oak Tree Rd, Iselin, NJ 08830-1625

    $465,000
    Estimated value
    6,984 sqft 0.34 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

    485th Us Hwy 1st S, Iselin, NJ 08830-3037

    $96,390,000
    Estimated value
    7.00 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

    485th Us Hwy 1st S, Iselin, NJ 08830-3012

    $96,390,000
    Estimated value
    4.15 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

    485th Us Hwy 1st S, Iselin, NJ 08830-3051

    $96,390,000
    Estimated value
    5.52 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

    485th Us Hwy 1st S, Iselin, NJ 08830-3005

    $96,390,000
    Estimated value
    5.27 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

    485th Us Hwy 1st S, Iselin, NJ 08830-3013

    $96,390,000
    Estimated value
    4.13 AC lot
    View details

    Iselin, NJ Office Spaces Market Trends and Statistics

    Explore 70 office spaces for sale in Iselin, NJ, showcased through 10 active listings on our real estate platform. These investment opportunities span a total of 23,636 square feet of properties for sale.

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    Map

    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 21
    Office buildings 15
    Medical Office Space 3
    Coworking space 2

    Demographics Overview

    Population 19K
    Population Growth (5Y) +6.8%
    Median Household Income $112,615
    College Educated 81.3%

    Taxes & Financing

    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Middlesex County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Middlesex County

    Residential Income

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