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    Sussex County, DE Office Properties & Spaces for Sale

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    Wilmington, DE Millsboro, DE Dover, DE
    35 results
    Commercial/Industrial Property in Frankford, DE
    $995,000
    1.31 Acres

    Commercial/Industrial Property in Frankford, DE

    34051 DUPONT BLVD, Frankford, DE 19945

    High-visibility corner property with kitchen equipment and expansion potential.

    • High‑visibility corner property on the main highway in rapidly growing Frankford.
    • Primary building (approx. 3,000 sq ft) with existing kitchen equipment, open area, office space, and storage.
    • Secondary structure (approx. 1,200 sq ft) for additional storage or flex space.
    • Unimproved rear third of the property offers expansion or development potential.
    • Easily accessible from both the main highway and Hickory Street.
    Updated: Feb 27
    View details
    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
    View details
    Seaford Office Building For Sale
    $280,000
    0.68 Acres

    Seaford Office Building For Sale

    Professional office building in Seaford, DE, with on-site parking.

    26286 SEAFORD Road, Seaford, DE 19973
    View details
    Commercial Building in Georgetown, DE
    $199,000
    0.58 Acres

    Commercial Building in Georgetown, DE

    1,550 SF building with B-1 zoning on 0.58 acres.

    20303 HARDSCRABBLE Road, Georgetown, DE 19947
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    Office Space in Seaford, DE
    $399,900
    0.29 Acres

    Office Space in Seaford, DE

    Office space with easy access and ample parking.

    602 N PORTER Street, Seaford, DE 19973
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    Downtown Milford Commercial Property Opportunity
    $499,000
    0.24 Acres

    Downtown Milford Commercial Property Opportunity

    Two-story building in Milford's central business district near Mispillion River.

    112 PARK AVENUE, Milford, DE 19963
    View details
    Georgetown Manufacturing/Warehouse Facility For Sale
    $220,000
    4,200 SF

    Georgetown Manufacturing/Warehouse Facility For Sale

    4200 SF Georgetown Airport Business Park building for sale.

    21646 BALTIMORE AVENUE, Georgetown, DE 19947
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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
    View details
    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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    Freestanding Building in Mixed-Use Development
    Contact for pricing
    12,738 SF

    Freestanding Building in Mixed-Use Development

    12,738 SF building suitable for retail, medical, or institutional use.

    900 West Stein Highway, Seaford, DE 19973
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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
    View details
    Milford Office Investment Opportunity
    $1,990,000
    13,224 SF

    Milford Office Investment Opportunity

    Fully tenanted professional office space in Milford's Central Business District.

    107 NE Front St, Milford, DE
    View details
    Medical Office Investment Opportunity
    $1,250,000
    4,800 SF

    Medical Office Investment Opportunity

    4,800 SF Medical office Building occupied by a nationally recognized tenant.

    800 HEALTH SERVICES DRIVE, Seaford, DE 19973
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    Seaford Medical Office Space For Sale
    $275,000

    Seaford Medical Office Space For Sale

    Class A medical office space in professional park, Seaford, DE.

    1350 Middleford Road Suite 502, Seaford, DE 19973
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    Prime Retail/Office/Flex Space Available
    Contact for pricing
    12,000 SF

    Prime Retail/Office/Flex Space Available

    Highway frontage, customizable space, and build-to-suit options available.

    Sussex Highway, Delmar, DE 19940
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    Commercial Property with Residential Structure
    $975,000
    0.51 Acres

    Commercial Property with Residential Structure

    Half-acre commercial property with existing home and business potential.

    17548 SHADY ROAD, Lewes, DE 19958
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    Versatile Commercial Space For Sale
    Contact for pricing
    1,962 SF

    Versatile Commercial Space For Sale

    Adaptable 1,962 SF commercial space, ideal for various businesses.

    32191 Nassau Road, Lewes, DE 19958
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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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    Lewes Office Building on Coastal Highway
    Contact for pricing
    6,340 SF

    Lewes Office Building on Coastal Highway

    Professional office building with highway frontage and high visibility.

    18334 Coastal Highway, Lewes, DE 19958
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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/Flex Space For Sale
    Contact for pricing

    Office/Flex Space For Sale

    Professional office/flex space ideal for design, consulting, or fitness.

    32191 Nassau Road 2, Lewes, DE 19958
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    Milford Investment Property For Sale
    $1,990,000
    13,224 SF

    Milford Investment Property For Sale

    Well-maintained, recently renovated investment property in Milford's Central Business District.

    105-111 NE Front Street, Milford, DE 19963
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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
    View details

    Sussex County, DE Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 35 office properties & spaces for sale in Sussex County, DE, showcased through 35 active listings on our real estate platform. These investment opportunities span a total of 653,836 square feet of properties for sale, with an estimated market value of $7,402,900.

    Sale prices for office spaces in Sussex County, DE start at $199,000, averaging $925,362, and reaching up to $2,200,000 — 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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