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    New Castle County, DE Office Buildings for Sale

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    Millsboro, DE Dover, DE Lewes, DE
    31 results
    Versatile Office Building with Parking
    $950,000
    0.34 Acres

    Versatile Office Building with Parking

    2400 W 4TH ST, Wilmington, DE 19805

    Multi-tenant office building with private parking in Wilmington, DE.

    • 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
    View details
    Renovated Office Building in Wilmington
    $1,100,000
    0.19 Acres

    Renovated Office Building in Wilmington

    1501 N WALNUT Street, Wilmington, DE 19801

    Two-story office building in prime location with flexible suite arrangements.

    • Prime location: Just five blocks from Rodney Square and steps from the Brandywine River in Wilmington, DE.
    • Fully renovated, move‑in‑ready two‑story office building.
    • Flexible space: Mechanically divided into 4 suites with potential for more, suitable for owner‑users, investors, or growing companies.
    • Income potential: Option to lease additional suites for supplemental income.
    • Parking: Features parking at the rear of the building.
    Updated: Mar 9
    View details
    North Wilmington Commercial Opportunity
    $895,000
    0.40 Acres

    North Wilmington Commercial Opportunity

    Premium commercial property in North Wilmington with high visibility and accessibility.

    2417 SILVERSIDE RD, Wilmington, DE 19810
    View details
    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
    View details
    Wilmington Office Building For Sale
    $550,000
    4,180 SF

    Wilmington Office Building For Sale

    Investment opportunity in Wilmington's Central Business District.

    1701 N Market St, Wilmington, DE 19802
    View details
    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
    View details
    Newark Office Building For Sale
    $890,000
    6,000 SF

    Newark Office Building For Sale

    Commercial building with office space and long-term lease.

    Listing #38 - 1003 S Chapel Street, Newark, DE, Newark, DE 19702
    View details
    North Wilmington Commercial Redevelopment Site
    $895,000
    2,000 SF

    North Wilmington Commercial Redevelopment Site

    Commercial redevelopment site in North Wilmington's Brandywine corridor.

    1809 Marsh Rd, Wilmington, DE 19810
    View details
    Three-Story Office Building Near Downtown
    $249,900
    0.03 Acres

    Three-Story Office Building Near Downtown

    Three-story office building in a convenient downtown-adjacent location.

    1216 N KING STREET, Wilmington, DE 19801
    View details
    Main Street Newark Office Space
    $2,500,000
    11,578 SF

    Main Street Newark Office Space

    11,578 SF office space in the heart of Newark.

    77 E Main St, Newark, DE, Newark, DE 19711
    View details
    Wilmington Office Building For Sale
    $1,250,000
    7,200 SF

    Wilmington Office Building For Sale

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

    1205 N Orange St, Wilmington, DE 19801
    View details
    Office Building on College Avenue
    $695,000
    2,955 SF

    Office Building on College Avenue

    Office building for sale on busy S. College Avenue.

    907 S College Ave, Newark, DE
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    Corporate Campus in New Castle
    Contact for pricing

    Corporate Campus in New Castle

    Corporate campus with renovated lobby and convenient highway access.

    10 Corporate Circle, New Castle, DE 19720
    View details
    North Wilmington Office Building For Sale
    $3,200,000
    30,000 SF

    North Wilmington Office Building For Sale

    Three-story office building in North Wilmington with flexible spaces.

    1200 Philadelphia Pike, Wilmington, DE 19809
    View details
    Premier Newark Business Park
    Contact for pricing
    28,050 SF

    Premier Newark Business Park

    350-acre business park with office spaces in Newark, Delaware.

    100 Lake Drive, Newark, DE 19702
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    Wilmington Office Building For Sale
    Contact for pricing
    5,760 SF

    Wilmington Office Building For Sale

    5,760 SF office building in Wilmington's thriving downtown core.

    921 N Orange St, Wilmington, DE 19801
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    Class A Office Space Available
    Contact for pricing
    50,000 SF

    Class A Office Space Available

    Premier office space in North Wilmington with highway access.

    405 Silverside Road, Wilmington, DE 19809
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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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    Newark Office/Industrial Building For Sale
    Contact for pricing
    29,750 SF

    Newark Office/Industrial Building For Sale

    29,750 SF office/industrial building in Pencader Corporate Center.

    211 Lake Dr, Newark, DE 19702
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    Two-Building Office Center with Amenities
    Contact for pricing
    100,000 SF

    Two-Building Office Center with Amenities

    Two Class A office buildings with on-site amenities.

    2751 Centerville Rd, Wilmington, DE 19808
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    Corporate Campus Office Building
    Contact for pricing

    Corporate Campus Office Building

    Full-service office building in a corporate campus setting.

    100 Biddle Avenue, Newark, DE 19702
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    Two-Building Office Complex For Sale
    Contact for pricing
    100,000 SF

    Two-Building Office Complex For Sale

    Two four-story office buildings with on-site amenities and ample parking.

    2711 Centerville Road, Wilmington, DE 19808
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    Corporate Campus Office Building
    Contact for pricing

    Corporate Campus Office Building

    Office building in corporate campus setting with ample parking.

    300 Biddle Avenue, Newark, DE 19702
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    Corporate Campus Office Building
    Contact for pricing

    Corporate Campus Office Building

    Office building in corporate campus with ample parking.

    200 Biddle Ave., Newark, DE 19702
    View details

    New Castle County, DE Office Buildings Investment Opportunities Market Analysis

    Explore 31 office buildings for sale in New Castle County, DE, showcased through 31 active listings on our real estate platform. These investment opportunities span a total of 40,511 square feet of properties for sale, with an estimated market value of $2,945,000.

    Sale prices for office properties in New Castle County, DE start at $895,000, averaging $981,666, and reaching up to $1,100,000 — 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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    Browse Office buildings for Sale Near New Castle, DE

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