Sign Up Successful!
You now have access to more from Realmo!
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Office
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    New Castle County, DE Office Properties & Spaces for Sale

    70 results
    List
    Map
    Commercial Unit in Desirable Condominium
    $130,000

    Commercial Unit in Desirable Condominium

    1401 Pennsylvania Ave, Wilmington, DE 19806

    First-floor commercial unit perfect for professionals, entrepreneurs, or small business.

    • First‑floor commercial unit in a desirable condominium building.
    • Monthly condo fee covers building maintenance, utilities (excluding internet and cable), and one off‑site valet parking spot.
    • Includes a reception area, three rooms/workstations, an updated bathroom, and dedicated storage.
    • Located minutes from downtown Wilmington, Trolley Square, parks, restaurants, and I‑95.
    • Benefit from 24‑hour security personnel.
    Updated: Jan 8
    View details
    Renovated Trolley Square Office Condo
    $229,900

    Renovated Trolley Square Office Condo

    1815 W 13Th St, Wilmington, DE 19806

    Unique loft-style office space in Wilmington's Trolley Square.

    • Unique loft‑style flex space with VAULTED CEILINGS, wood beams, and skylights providing abundant natural light.
    • Fully renovated main floor and updated second‑floor bathroom.
    • Elevator access and ample parking, including some covered spaces.
    • Low condo fee of $435/month includes common area upkeep, parking, water/sewer, and management.
    • Located in The Station Condos, a well‑maintained 7‑unit professional building.
    Updated: May 16, 2025
    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
    Prime Commercial Space Available
    Contact for pricing
    11,500 SF

    Prime Commercial Space Available

    11,500 SF commercial space for lease in Wilmington, DE.

    1900 Kirkwood Hwy, Wilmington, DE 19805
    View details
    Versatile Commercial Unit in Claymont
    Contact for pricing
    0.04 Acres

    Versatile Commercial Unit in Claymont

    Clean, quiet commercial unit with amenities and excellent accessibility.

    3722 Philadelphia Pike, Claymont, DE 19703
    View details
    Prime Commercial Space on Kirkwood Highway
    Contact for pricing
    10,340 SF

    Prime Commercial Space on Kirkwood Highway

    11,500 SF commercial space for lease in Wilmington, DE.

    1900 Kirkwood Hwy, Wilmington, DE 19805
    View details
    Wilmington Office Space - Ideal Location
    Contact for pricing

    Wilmington Office Space - Ideal Location

    Prime office space, convenient I-95 access. Excellent condition.

    301 Boxwood Rd, Wilmington, DE 19804
    View details
    Prime Newark Office Building
    $799,000
    1,800 SF

    Prime Newark Office Building

    Stately stone office, high visibility, ample parking.

    112 Capitol Trl, Newark, DE 19711
    View details
    Wilmington Office Building For Sale
    $749,900
    4,250 SF

    Wilmington Office Building For Sale

    Modern Office, High Visibility, Move-In Ready

    824 Philadelphia Pike, Wilmington, DE 19809
    View details
    Middletown Office Space for Lease
    Contact for pricing
    1.64 Acres

    Middletown Office Space for Lease

    Modern Office Suites, Ample Amenities

    4353 Summit Bridge Rd, Middletown, DE 19709
    View details
    Wilmington Mixed-Use Investment
    $999,900
    7,862 SF

    Wilmington Mixed-Use Investment

    7,862 SF Office/Retail Building, Delaware

    616 Union St, Wilmington, DE 19805
    View details
    Wilmington Waterfront Commercial Property
    $2,200,000
    20,500 SF

    Wilmington Waterfront Commercial Property

    Versatile 20,500 SF building, ideal for multiple uses.

    1601 Jessup St, Wilmington, DE 19802
    View details
    Wilmington Medical Office Building
    $1,450,000

    Wilmington Medical Office Building

    Prime Medical Office, Delaware, $1.45M

    1806 Van Buren St, Wilmington, DE 19802
    View details
    Christiana Hospital Medical Office Condo
    $5,199,000
    13,132 SF

    Christiana Hospital Medical Office Condo

    13,132 SF Medical Office Building in Newark, DE

    4735 Ogletown Stanton Rd, Newark, DE 19713
    View details
    Wilmington Office Building - $595K
    $595,000
    4,708 SF

    Wilmington Office Building - $595K

    Prime Wilmington Office, 4,708 SF

    101 Gray Ave, Wilmington, DE 19805
    View details
    New Castle Industrial Flex Space
    Contact for pricing
    21,500 SF

    New Castle Industrial Flex Space

    21,500 SF Flex Warehouse, Delaware

    40 Mccullough Dr, New Castle, DE 19720
    View details
    Downtown Wilmington Office Condo
    $324,900
    5,079 SF

    Downtown Wilmington Office Condo

    5,079 SF Office Condo, $324,900

    625 Orange St, Wilmington, DE 19801
    View details
    Downtown Wilmington Executive Office
    $225,000
    1,080 SF

    Downtown Wilmington Executive Office

    Prime 1,080 SF Retail/Office Space

    107 9Th St, Wilmington, DE 19801
    View details
    Main Street Multi-Unit Investment
    $1,900,000
    8,000 SF

    Main Street Multi-Unit Investment

    Wilmington, DE retail & office complex. High traffic location.

    508 Main St, Wilmington, DE 19804
    View details
    Wilmington Office Condo For Sale
    $299,000
    1,624 SF

    Wilmington Office Condo For Sale

    Professional office condo in excellent condition with ample parking.

    5153 W Woodmill Dr, Wilmington, DE 19808
    View details
    Wilmington Office Space For Sale
    Contact for pricing
    8,990 SF

    Wilmington Office Space For Sale

    4,921 SF office space with high visibility.

    Wilmington Ave, New Castle, DE 19808
    View details
    Renovated Office Building with Parking
    Contact for pricing
    97,878 SF

    Renovated Office Building with Parking

    97,878 SF renovated office building with ample parking.

    4041 Ogletown Rd, Newark, DE 19713
    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 19713
    View details
    Office Space on Pulaski Highway
    Contact for pricing
    547,239 SF

    Office Space on Pulaski Highway

    Office suites available in busy shopping center near transit.

    1200-1400 Peoples Plz, Newark, DE 19702
    View details

    New Castle County, DE Office Properties & Spaces Investment Opportunities Market Analysis

    Explore 1443 office properties & spaces for sale in New Castle County, DE, showcased through 70 active listings on our real estate platform. These investment opportunities span a total of 76,609,417 square feet of properties for sale, with an estimated market value of $375,988,800.

    Prices for office spaces in New Castle County, DE start at $130,000, averaging $480,190, and reaching up to $9,580,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

    List
    Map

    Office Properties & Spaces by market

    Browse Office Properties & Spaces for Sale Near New Castle, DE

    Popular Categories

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Create New Password
    • At least 8 characters
    • Contains both letters and numbers
    • Contains uppercase and lowercase letters
    • At most 32 characters
    • Password required
    • Password reset link has expired. Please request a new one.