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    Sussex County, DE Office Buildings for Sale

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    Wilmington, DE Dover, DE Milford, DE
    13 results
    Seaford Office Building For Sale
    $780,000
    0.51 Acres
    Seaford Office Building For Sale

    924 MIDDLEFORD Road, Seaford, DE 19973

    Professional office building in prime location with expansion potential.
    • Prime location professional office building.
    • Includes adjacent parcel on the west side.
    • 3,053 sq. ft. of finished first‑floor office space.
    • 2,182 sq. ft. unfinished second floor with separate access, offering expansion or rental potential.
    • Equipped with reception area, offices, exam rooms, bathrooms, staff lounge, and storage.
    Updated: Nov 10, 2025
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    Seaford Office Building For Sale
    $280,000
    0.68 Acres
    Seaford Office Building For Sale

    26286 SEAFORD Road, Seaford, DE 19973

    Professional office building in Seaford, DE, with on-site parking.
    • Highly visible and easily accessible location on Seaford Road with direct frontage.
    • On‑site parking available.
    • Layout ideally suited for professional firms and small businesses.
    • Close proximity to Route 13 and Route 20.
    • Multiple private offices and flexible workspaces.
    Updated: Apr 9
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    Dagsboro Mixed-Use Property For Sale
    $1,200,000
    6,900 SF
    Dagsboro Mixed-Use Property For Sale

    Mixed-use property with office, and storage buildings on 1.44 acres.

    31229 DUPONT Blvd, Dagsboro, DE 19939

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    Milford Landmark Professional Brick Building
    $789,000
    Milford Landmark Professional Brick Building

    Three-story professional building with high visibility and flexible floor plans.

    125 CAUSEY Ave, Milford, DE 19963

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    Milton Medical Park Investment Opportunity
    $3,975,000
    12,860 SF
    Milton Medical Park Investment Opportunity

    Fully leased medical office park with expansion potential in Milton, DE.

    611 Federal Street, Milton, DE 19968

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    Freestanding Building in Seaford Redevelopment
    Contact for pricing
    12,738 SF
    Freestanding Building in Seaford Redevelopment

    Highly visible 12,738 SF building in mixed-use redevelopment.

    900 West Stein Highway, Seaford, DE 19973

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    Downtown Milford Investment Property
    $1,990,000
    10,712 SF
    Downtown Milford Investment Property

    Fully-tenanted professional office space in Milford, Delaware.

    105-111 NE Front Street |, Milford, DE 19963

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    Professional Office Building with Parking
    $280,000
    Professional Office Building with Parking

    Small office building suited for professional firms and service businesses.

    26286 SEAFORD Rd, Seaford, DE 19973

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    Commercial Property on Major Highway
    $1,250,000
    4,200 SF
    Commercial Property on Major Highway

    C-1 zoned commercial property on 2 acres for sale.

    8991 REDDEN ROAD, Bridgeville, DE 19933

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    Stone Creek Business Park Opportunity
    Contact for pricing
    33,000 SF
    Stone Creek Business Park Opportunity

    Office, retail, and warehouse flex space for sale.

    10252 Stone Creek Drive, Laurel, DE 19956

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    3.6 Acres Mixed-Use Opportunity
    $825,000
    3.60 Acres
    3.6 Acres Mixed-Use Opportunity

    Two parcels totaling 3.6 acres near Route 13/9.

    30330 SUSSEX HIGHWAY, Laurel, DE 19956

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    Office Space in Milford Innovation
    Contact for pricing
    9,439,888 SF
    Office Space in Milford Innovation

    Office space available for sale or lease in Milford, Delaware.

    Bucks Rd, Milford, DE

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    Professional Office Space For Sale
    $1,299,000
    6,600 SF
    Professional Office Space For Sale

    6,600 SF fully leased office space with income potential.

    300 Health Services Dr, Seaford, DE 19973

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    Based on your search, we've compiled 17 Potential Opportunities for your consideration. Besides 13 Active listings in Sussex County, DE, we suggest exploring several alternatives: plus 4 Land Listings that present a potential for development.

    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.

    Georgetown Vacant Lot For Sale
    $99,000
    0.23 Acres
    Georgetown Vacant Lot For Sale

    Vacant lot in Georgetown, DE, with development incentives.

    114 N BEDFORD Street, Georgetown, DE 19947

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    Prime Land Parcel on Coastal Highway
    $599,000
    2.88 Acres
    Prime Land Parcel on Coastal Highway

    2.88 acre commercial land with frontage on Route 1.

    15519 COASTAL HWY, Milton, DE 19968

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    Salisbury Land Parcels For Sale
    $200,000
    0.37 Acres
    Salisbury Land Parcels For Sale

    Two land parcels available within established professional park.

    6500 Deer Pointe Drive, Salisbury, MD 21804

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    Commercial Land Near Ocean Downs
    $2,600,000
    7.89 Acres
    Commercial Land Near Ocean Downs

    9.26-acre commercial development opportunity near Ocean Downs Casino.

    10329 RACETRACK Rd, Berlin, MD 21811

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    Sussex County, DE Office Buildings Investment Opportunities Market Analysis

    Explore 13 office buildings for sale in Sussex County, DE, showcased through 13 active listings on our real estate platform. These investment opportunities span a total of 41,272 square feet of properties for sale, with an estimated market value of $9,714,000.

    Sale prices for office properties in Sussex County, DE start at $1,200,000, averaging $1,942,800, and reaching up to $3,975,000 — 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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