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    Iselin, NJ Office Spaces for Sale

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    6 properties
    Iselin Office Suite For Sale
    Updated: Nov 27, 2025
    Iselin Office Suite For Sale

    1 Austin Avenue, Iselin, NJ 08830

    Contact for pricing
    4,142 sqft
    Immediate occupancy available.
    Gross lease with no CAM charges.
    Access to major highways (GSP, NJ Turnpike, Rt. 1, 9, Rt. 35).
    Free‑standing building with up to 3,000 sq. ft. available.
    Remodeled Entrance Foyer.
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    Iselin Office Unit For Sale
    Updated: Nov 27, 2025
    Iselin Office Unit For Sale

    1 Austin Avenue #B, Iselin, NJ 08830

    Contact for pricing
    4,142 sqft
    All utilities included in rent, Landlord pays.
    Available for immediate occupancy.
    Access to major highways including GSP, NJ Turnpike, Rt. 1&9, Rt. 35.
    Gross lease with no CAM charges.
    Remodeled Entrance Foyer.
    View details
    Iselin Office Unit For Sale
    Iselin Office Unit For Sale

    1 Austin Avenue #G, Iselin, NJ 08830

    Contact for pricing
    4,142 sqft

    211 sq ft office unit available for immediate occupancy.

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    Mixed-Use Office Building
    Mixed-Use Office Building

    Iselin, NJ 08830

    Contact for pricing
    2,500 sqft

    Mixed-use property offering approximately 2,500 SF for office space needs.

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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.

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    Based on your search, we've compiled 74 Potential Opportunities for your consideration. Besides 6 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.

    Professional Office with Garage Parking
    Professional Office with Garage Parking

    169 Demorest Avenue, Avenel, NJ 07001

    $679,900
    1,621 sqft 0.19 AC lot

    Well maintained professional office with main office, break area, private office, two baths, and parking for up to 10 cars plus a 3-car garage.

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    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.

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    Four-Parcel Commercial Property
    Four-Parcel Commercial Property

    304 Main Street, Woodbridge, NJ 07095

    Contact for pricing
    1.38 AC lot

    A four-property parcel totaling about 60,000 square feet, offered for sale and usable individually as offices and apartments.

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    Highway Visible Former Title Agency
    Highway Visible Former Title Agency

    515 Amboy Avenue, Woodbridge, NJ 07095

    $499,700

    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.

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    Renovated Retail Storefront with Parking
    Renovated Retail Storefront with Parking

    243 Plainfield Avenue, Edison, NJ 08817

    Contact for pricing
    1,750 sqft 0.20 AC lot

    Recently renovated retail/mixed-use space with central air and eight on-site customer parking spots.

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    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.

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    Piscataway Land Development Opportunity
    Piscataway Land Development Opportunity

    115 Stelton Road, Piscataway, NJ 08854

    $279,000
    0.12 AC lot

    Prime 0.1171-acre lot in high-traffic area, ideal for development.

    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

    $650,000
    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

    Value Estimation by Request
    2,524 sqft 0.26 AC lot
    View details
    21 Plymouth Dr
    OFFICE BUILDING

    21 Plymouth Dr, Iselin, NJ 08830-1344

    Value Estimation by Request
    768 sqft 0.16 AC lot
    View details
    1481 Oak Tree Rd
    OFFICE BUILDING

    1481 Oak Tree Rd, Iselin, NJ 08830-1625

    $1,375,000
    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

    Value Estimation by Request
    7.00 AC lot
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    485th Us Hwy 1st S
    OFFICE BUILDING

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

    Value Estimation by Request
    4.15 AC lot
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    485th Us Hwy 1st S
    OFFICE BUILDING

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

    Value Estimation by Request
    5.52 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

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

    Value Estimation by Request
    5.27 AC lot
    View details
    485th Us Hwy 1st S
    OFFICE BUILDING

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

    Value Estimation by Request
    4.13 AC lot
    View details
    2100 Ronson Rd
    OFFICE BUILDING

    2100 Ronson Rd, Iselin, NJ 08830

    Value Estimation by Request
    5.71 AC lot
    View details
    101 Wood S Ave
    OFFICE BUILDING

    101 Wood S Ave, Iselin, NJ 08830-2749

    Value Estimation by Request
    270,312 sqft 8.09 AC lot
    View details
    99 Wood S Ave
    OFFICE BUILDING

    99 Wood S Ave, Iselin, NJ 08830-2734

    Value Estimation by Request
    261,144 sqft 10.14 AC lot
    View details
    1200 Grn St
    OFFICE BUILDING

    1200 Grn St, Iselin, NJ 08830-2014

    $955,000
    Estimated value
    4,657 sqft 0.23 AC lot
    View details

    Iselin, NJ Office Spaces Market Trends and Statistics

    Explore 66 office spaces for sale in Iselin, NJ, showcased through 6 active listings on our real estate platform. These investment opportunities span a total of 14,926 square feet of properties for sale, with an estimated market value of $0.00.

    Sale prices for office spaces in Iselin, NJ start at $0.00, averaging $0.00, and reaching up to $0.00 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Office Units 17
    Office buildings 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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