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    New Castle County, DE Office Buildings for Sale

    24 results
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    North Wilmington Commercial Opportunity
    $895,000
    0.40 Acres

    North Wilmington Commercial Opportunity

    2417 Silverside Rd, Wilmington, DE 19810

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

    • Prime location off Foulk and Silverside Roads in North Wilmington with high visibility and accessibility.
    • Ample private parking with space for up to 20 vehicles.
    • Five well‑appointed offices, including four versatile suites and a spacious private main office.
    • Newer roof (installed in the last 5 years).
    • Recent system upgrades.
    Updated: Dec 5, 2025
    View details
    Office Building on College Avenue
    Contact for pricing
    2,955 SF

    Office Building on College Avenue

    907 S College Ave, Newark, DE 19713

    Office building for sale on busy S. College Avenue.

    • High‑traffic location on S. College Avenue (Route 896 N).
    • Zoned GB - General Business, offering versatile usage options.
    • DelDot approved entrance.
    • 2/3 acre lot with renovated office/professional building (renovated 2005).
    • Sprinkler line on site.
    View details
    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 19805
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    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
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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
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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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    Corporate Campus in New Castle
    Contact for pricing

    Corporate Campus in New Castle

    Corporate campus with renovated lobby and convenient highway access.

    10 Corporate Cir, New Castle, DE 19720
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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 Rd, Wilmington, DE 19808
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    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
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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 Rd, Wilmington, DE 19809
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    Montchanin Office Complex For Sale
    Contact for pricing
    11,500 SF

    Montchanin Office Complex For Sale

    Two-building office complex in historic Montchanin, Delaware.

    100 W Rockland Rd, Montchanin, DE 19710
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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 Ave, Newark, DE 19702
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    Newark Office Building For Sale
    $890,000
    6,000 SF

    Newark Office Building For Sale

    Commercial building with office space and long-term lease.

    1003 S Chapel St, Newark, DE 19702
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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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    Office Building on Limestone Road
    Contact for pricing
    17,000 SF

    Office Building on Limestone Road

    17,000 square foot office building for sale.

    5305 Limestone Rd, Wilmington, DE 19808
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    Wilmington Opportunity Zone Office Building
    Contact for pricing
    10,000 SF

    Wilmington Opportunity Zone Office Building

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

    716 N Tatnall St, Wilmington, DE 19801
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    Income-Generating Office/Retail Building For Sale
    Contact for pricing
    7,862 SF

    Income-Generating Office/Retail Building For Sale

    Two-story office/retail building on North Union Street, Wilmington.

    616 N Union St, Wilmington, DE 19805
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    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 19711
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    Downtown Wilmington Professional Office Space
    $400,000
    4,326 SF

    Downtown Wilmington Professional Office Space

    Professional office space in Downtown Wilmington near Courthouse and Government Center.

    Wilmington, DE 19801
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    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 Dr, Newark, DE 19702
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    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
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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 Ave, Newark, DE 19702
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    Office Building in Newark, DE
    Contact for pricing
    30,208 SF

    Office Building in Newark, DE

    30,208 SF office building for sale.

    800 Barksdale Rd, Newark, DE 19711
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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 24 Active Listings in New Castle County, DE

    New Castle County, DE Office Buildings Investment Opportunities Market Analysis

    Explore 24 office buildings for sale in New Castle County, DE, showcased through 24 active listings on our real estate platform. These investment opportunities span a total of 17,424 square feet of properties for sale, with an estimated market value of $895,000.

    Sale prices for office properties in New Castle County, DE start at $895,000, averaging $895,000, and reaching up to $895,000 — 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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