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    New Castle County, DE Office Spaces for Sale

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    Wilmington, DE Dover, DE Milford, DE
    65 listings
    Multi-Tenant Office Building with Private Parking
    $950,000
    8,000 SF
    Multi-Tenant Office Building with Private Parking

    2400 W 4TH ST, Wilmington, DE 19805

    A centrally located office building with private parking and dual front/rear access for flexible tenant or owner-occupant use.
    • Centrally located with a versatile layout suitable for various professional uses.
    • Private parking lot, a rare and valuable amenity.
    • Dual entrance configuration allows for flexible occupancy options.
    • Approximately 8,000 square feet of finished office space, plus additional workspace and storage.
    • Well‑maintained property suitable for owner‑occupant or investor.
    Updated: Mar 25
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    Renovated Two-Story Office Building
    $1,100,000
    0.19 Acres
    Renovated Two-Story Office Building

    1501 N WALNUT Street, Wilmington, DE 19801

    Fully renovated masonry two-story office building offering multiple suites and rear parking in Wilmington, DE.
    • Fully renovated two‑story office building with flexible suite layout, built in 1918
    • Mechanically divided into 4 suites, with potential for additional suite arrangements on main and second floors
    • Each floor includes 1 men’s bathroom and 1 women’s bathroom for staff and visitor convenience
    • Central heating; masonry/brick construction with block, mixed plumbing, and stone materials
    • Rear on‑site parking plus on‑street parking, with a fenced parking area
    Updated: Mar 9
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    Office Building with Private Parking
    $895,000
    0.40 Acres
    Office Building with Private Parking

    Professionally maintained office building with five offices, private main office, and parking for up to 20 vehicles.

    2417 SILVERSIDE RD, Wilmington, DE 19810

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    Wilmington Commercial Redevelopment Opportunity
    $845,000
    2,000 SF
    Wilmington Commercial Redevelopment Opportunity

    Infill commercial site in high-traffic Brandywine corridor.

    1809 Marsh Rd, Wilmington, DE 19810

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    Renovated Office Building in Wilmington
    $1,100,000
    Renovated Office Building in Wilmington

    Fully renovated two-story office building in a prime Wilmington location.

    1501 N WALNUT St, Wilmington, DE 19801

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    North Market Street Redevelopment Opportunity
    $475,000
    4,180 SF
    North Market Street Redevelopment Opportunity

    4,180 SF redevelopment opportunity in Wilmington's urban commercial area.

    1701 N MARKET St, Wilmington, DE 19802

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    Wilmington Office Building For Sale
    $1,250,000
    Wilmington Office Building For Sale

    Multi-story office building in Wilmington's Central Business District.

    1205 N Orange St, Wilmington, DE 19801

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    Wilmington Office and Warehouse Space
    $300,000
    Wilmington Office and Warehouse Space

    Flexible office and warehouse space with secure, fenced yard.

    1517 W 3RD St, Wilmington, DE 19805

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    First-Floor Commercial Unit Opportunity
    $125,000
    First-Floor Commercial Unit Opportunity

    Versatile commercial unit in a desirable Wilmington condominium.

    1401 PENNSYLVANIA Ave 103, Wilmington, DE 19806

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    Corner Building in Richardson Park
    $200,000
    Corner Building in Richardson Park

    Prominent corner building suitable for retail, office, or residential use.

    36 BELMONT Ave, Wilmington, DE 19804

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    Wilmington Commercial Property For Sale
    $2,600,000
    8,712 SF
    Wilmington Commercial Property For Sale

    Three-story commercial property in Wilmington with versatile space.

    715 N KING STREET, Wilmington, DE 19801

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    Medical Office Building Near I-95
    $1,100,000
    7,010 SF
    Medical Office Building Near I-95

    7,010 SF medical office building near I-95.

    1806 North Van Buren Street, Wilmington, DE 19802

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    Riverfront Land for Mixed-Use Development
    $1,600,000
    2.13 Acres
    Riverfront Land for Mixed-Use Development

    Prime commercial land on Wilmington's Riverfront, ideal for mixed-use development.

    900 A St., Wilmington, DE USA, Wilmington, DE 19801

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    Established Medical Office Condo
    $470,000
    Established Medical Office Condo

    Turn-key medical office condo with ample parking and easy access.

    2601 Annand Dr, Wilmington, DE 19808

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    Pike Creek Medical/Office Condo
    $900,000
    7,515 SF
    Pike Creek Medical/Office Condo

    Medical/Office condo for sale in high-traffic location.

    3105 Limestone Rd, Wilmington, DE

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    Professional Office Condo For Sale
    $195,000
    Professional Office Condo For Sale

    Office condo in well-maintained complex, centrally located with highway access.

    2601 Annand Dr, Suite 20, Wilmington, DE 19808

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    Mixed-Use Building in Historic District
    $570,000
    4,096 SF
    Mixed-Use Building in Historic District

    Live/work property with income potential in Delaware City's historic district.

    Delaware City, DE 19706

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    Commercially Zoned Retail/Apt Properties
    $600,000
    Commercially Zoned Retail/Apt Properties

    Three commercially zoned retail/apt properties with parking lot.

    16 MARYLAND Ave S, Wilmington, DE 19805

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    Claymont Office Building For Sale
    $459,000
    5,400 SF
    Claymont Office Building For Sale

    Office building with 5400 square feet available for sale.

    3102 W Brandywine Ave, Claymont, DE 19703

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    Stand Alone Office Building
    $895,000
    8,800 SF
    Stand Alone Office Building

    Stand alone office building near University and Whist Club.

    803 N Broom St, Wilmington, DE

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    Wilmington Opportunity Zone Office Building
    $1,100,000
    10,000 SF
    Wilmington Opportunity Zone Office Building

    Four-story office building in Wilmington's Central Business District.

    716 N Tatnall St, Wilmington, DE

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    Office Building on Limestone Road
    $5,240,560
    17,000 SF
    Office Building on Limestone Road

    17,000 square foot office building for sale.

    5305 Limestone Rd, Wilmington, DE

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    Medical Office Building For Sale
    $5,199,000
    13,132 SF
    Medical Office Building For Sale

    Spacious medical office building with multiple exam rooms and offices.

    4755 Ogletown Stanton Rd, Newark, DE

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    Mixed-Use Property with Liquor License
    $465,000
    Mixed-Use Property with Liquor License

    Mixed-use property featuring a liquor store and residential unit.

    2300 N MARKET St, Wilmington, DE 19802

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    New Castle County, DE Office Spaces Investment Opportunities Market Analysis

    Explore 72 office spaces for sale in New Castle County, DE, showcased through 65 active listings on our real estate platform. These investment opportunities span a total of 207,125 square feet of properties for sale, with an estimated market value of $40,104,460.

    Sale prices for office spaces in New Castle County, DE start at $150,000, averaging $1,604,178, and reaching up to $5,240,560 — 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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