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.

New Castle County, DE Office Properties & Spaces for Sale

85 results
List
Map
Renovated Office Building in Wilmington
$1,100,000
0.19 Acres

Renovated Office Building in Wilmington

1501 N Walnut St, Wilmington, DE 19801

Two-story office building in prime location with flexible suite arrangements.

  • Prime location: Just five blocks from Rodney Square and steps from the Brandywine River in Wilmington, DE.
  • Fully renovated, move‑in‑ready two‑story office building.
  • Flexible space: Mechanically divided into 4 suites with potential for more, suitable for owner‑users, investors, or growing companies.
  • Income potential: Option to lease additional suites for supplemental income.
  • Parking: Features parking at the rear of the building.
Updated: Mar 9
View details
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
Prime Commercial Property in NEW CASTLE
$1,000,000
1.51 Acres

Prime Commercial Property in NEW CASTLE

1.5-acre commercial property ideal for retail or office development.

2994 New Castle Ave, New Castle, DE 19720
View details
Commercial Unit in Desirable Condominium
$125,000

Commercial Unit in Desirable Condominium

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

1401 Pennsylvania Ave, Wilmington, DE 19806
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
Marsh Road Commercial Opportunity
$845,000

Marsh Road Commercial Opportunity

High-visibility commercial property suitable for various business types.

1809 Marsh Rd, Wilmington, DE 19810
View details
Renovated Trolley Square Office Condo
$229,900

Renovated Trolley Square Office Condo

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

1815 W 13Th St, Wilmington, DE 19806
View details
Wilmington Office Buildings For Sale
$575,000

Wilmington Office Buildings For Sale

Two adjoining parcels in Wilmington, DE, suitable for commercial or residential.

825-827 N Washington St, Wilmington, DE 19801
View details
Wilmington Commercial Property For Sale
$2,600,000

Wilmington Commercial Property For Sale

Three-story commercial property in Wilmington with versatile space.

715 N King St, Wilmington, DE 19801
View details
Prime Redevelopment Opportunity in Wilmington
$925,000

Prime Redevelopment Opportunity in Wilmington

Redevelopment opportunity in Brandywine Hundred with high visibility.

2203 Silverside Rd, Wilmington, DE 19810
View details
North Wilmington Commercial Property For Sale
$895,000

North Wilmington Commercial Property For Sale

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

2417 Silverside Rd, Wilmington, DE 19810
View details
Commercial Property with High Exposure
$1,000,000

Commercial Property with High Exposure

1.5+/- acre commercial property with high traffic and visibility.

2994 New Castle Ave, New Castle, DE 19720
View details
Established Medical Office Condo
$470,000

Established Medical Office Condo

Turn-key medical office condo with ample parking and easy access.

2601 Annand Dr, Wilmington, DE 19808
View details
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
View details
New Castle Avenue Commercial Opportunity
$650,000

New Castle Avenue Commercial Opportunity

Commercial property with redevelopment potential on New Castle Avenue.

3101 New Castle Ave, New Castle, DE 19720
View details
Trolley Square Loft Office Condo
$229,900

Trolley Square Loft Office Condo

Renovated office condo with loft-style flex space in Wilmington.

1815 W 13Th St, Wilmington, DE 19806
View details
Wilmington Office Building For Sale
$1,250,000

Wilmington Office Building For Sale

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

1205 N Orange St, Wilmington, DE 19801
View details
Wilmington Commercial Redevelopment Opportunity
$845,000

Wilmington Commercial Redevelopment Opportunity

Infill commercial site in high-traffic Brandywine corridor.

1809 Marsh Rd, Wilmington, DE 19810
View details
Office Unit on Busy Street
$180,000

Office Unit on Busy Street

Office unit for sale on a high-traffic street.

2910 N Market St, Wilmington, DE 19802
View details
Unique Commercial Space in Wilmington
$199,900

Unique Commercial Space in Wilmington

Spacious office with reception, break room, and individual offices.

1401 Pennsylvania Ave, Wilmington, DE 19806
View details
Wilmington Office Building For Sale
$550,000

Wilmington Office Building For Sale

Investment opportunity in Wilmington's Central Business District.

1701 N Market St, Wilmington, DE 19802
View details
Updated Office Condo For Sale
$210,000

Updated Office Condo For Sale

Office condo with recent updates, suitable for various professional uses.

1601 Milltown Rd, Wilmington, DE 19808
View details

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

Explore 1461 office properties & spaces for sale in New Castle County, DE, showcased through 85 active listings on our real estate platform. These investment opportunities span a total of 76,617,693 square feet of properties for sale, with an estimated market value of $377,088,800.

Sale prices for office spaces in New Castle County, DE start at $130,000, averaging $480,980, and reaching up to $9,580,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

List
Map