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    Sussex County, DE Office Spaces for Sale

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    Wilmington, DE Dover, DE Milford, DE
    40 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
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    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

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

    26286 SEAFORD Road, Seaford, DE 19973

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    Delaware Commercial Site Near Beaches
    $2,150,000
    11,500 SF
    Delaware Commercial Site Near Beaches

    Fully developed commercial site with 11,500 SF usable space.

    30387 CEDAR NECK Rd, Ocean View, DE 19970

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    Highway Frontage Commercial Property
    $2,200,000
    13,000 SF
    Highway Frontage Commercial Property

    Commercial property with highway frontage and redevelopment potential.

    18119 SUSSEX Hwy, Bridgeville, DE 19933

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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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    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

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    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

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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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    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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    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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    Office Space with Easy Access
    $399,900
    Office Space with Easy Access

    Office space with convenient access and ample parking available for sale.

    602 N PORTER St, Seaford, DE 19973

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    Milford Commercial Property with Storage
    $2,349,000
    Milford Commercial Property with Storage

    Commercial property ideal for contractors, trades, automotive, or light industrial.

    2080 & 2098 BAY Rd, Milford, DE 19963

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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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    Versatile Commercial Building in Georgetown
    $199,000
    1,550 SF
    Versatile Commercial Building in Georgetown

    1,550 SF building with B-1 zoning for office/warehouse use.

    20303 HARDSCRABBLE Rd, Georgetown, DE 19947

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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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    Medical Office Complex For Sale
    $1,750,000
    Medical Office Complex For Sale

    Medical office complex with creditworthy tenants in Seaford, Delaware.

    500 HEALTH SERVICES Dr 501-503, Seaford, DE 19973

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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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    Multi-Building Commercial Property For Sale
    $1,499,000
    1.00 Acre
    Multi-Building Commercial Property For Sale

    Multi-building commercial property with retail, office, and residential units.

    1521 SAVANNAH Rd, Lewes, DE 19958

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    Sussex County, DE Office Spaces Investment Opportunities Market Analysis

    Explore 72 office spaces for sale in Sussex County, DE, showcased through 40 active listings on our real estate platform. These investment opportunities span a total of 105,454 square feet of properties for sale, with an estimated market value of $25,083,000.

    Sale prices for office spaces in Sussex County, DE start at $199,000, averaging $1,791,642, 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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