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New Castle County, DE Office Spaces for Sale

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Wilmington, DE Dover, DE Milford, DE Lewes, DE Millsboro, DE Seaford, DE Newark, DE Milton, DE
91 properties
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Historic Three-Level Office Building
Updated: Aug 14
Historic Three-Level Office Building

1919 RED LION Road, Bear, DE 19701

$799,900
3.28 AC lot
More than 6,500 square feet across three usable levels
3.28‑acre property at 1919 Red Lion Road, Bear, DE 19701
Built in 1751 with brick construction
Private offices, conference rooms, open work areas, and flexible meeting spaces
Renovated kitchen and employee gym on the lower level
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Renovated Two-Story Office Building
Updated: Sep 9
Renovated Two-Story Office Building

1501 N WALNUT Street, Wilmington, DE 19801

$990,000
0.19 AC lot
Four office suites within a renovated two‑story building
0.19‑acre property at 1501 N. Walnut Street, Wilmington, DE 19801
Five blocks from Rodney Square and convenient to the Brandywine River
Separate men's and women's restrooms on each floor
Fenced parking lot plus on‑street parking
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Flexible-Layout Office Units
Flexible-Layout Office Units

5205 W WOODMILL Drive, Wilmington, DE 19808

$675,000

Professional office condominiums offer adaptable suites with parking and access to major transportation routes.

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Three-Building Mixed-Use Assemblage
Three-Building Mixed-Use Assemblage

1719 1719-23 Delaware Ave, Wilmington, DE 19806

$1,350,000
11,376 sqft

Office, retail, salon, and residential components are paired with on-site parking in an urban Wilmington setting.

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End-Unit Office Condominium
End-Unit Office Condominium

5201 W WOODMILL Drive, Wilmington, DE 19808

$745,000

Office condominium in a professional business center with on-site parking and access to major transportation routes.

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Office Condominium Units
Office Condominium Units

5149 W WOODMILL Drive, Wilmington, DE 19808

$325,000

Flexible office configurations with private work areas, shared business amenities, and on-site parking in an established office setting.

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Professional Office Units
Professional Office Units

5145 W WOODMILL Drive, Wilmington, DE 19808

$325,000

Office condominiums provide flexible layouts, private work areas, meeting space, and on-site parking for professional business operations.

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Historic Office Building with Flexible Layout
Historic Office Building with Flexible Layout

501 MAIN STREET, Odessa, DE 19730

$799,900
5,300 sqft

Office property with private rooms, shared work areas, updated systems, storage, and on-site parking.

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Historic Office Building
Historic Office Building

1919 RED LION ROAD, Bear, DE 19701

$799,900
6,537 sqft

Three-level professional property with private offices, conference rooms, open work areas, and on-site parking.

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End-Unit Office Condominium
End-Unit Office Condominium

5201 W Woodmill Dr Unit 31, Wilmington, DE 19808

$745,000
3,450 sqft

Professional office space with adaptable layouts, private work areas, and on-site parking near major transportation routes.

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Professional Office Condominium
Professional Office Condominium

5205 W Woodmill Dr Unit 32, Wilmington, DE 19808

$675,000
3,119 sqft

Established office setting with flexible layouts, private work areas, conference space, kitchen facilities, storage, and restrooms.

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Multi-Tenant Office Building with Parking
Multi-Tenant Office Building with Parking

2400 W 4th St, Wilmington, DE 19805

$950,000
8,650 sqft

Well-maintained multi-tenant office building features dual entrances, private parking, and updated interior office, storage, and conference space.

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Three-Story Mixed-Use Corner Property
Three-Story Mixed-Use Corner Property

1 S JACKSON STREET, Wilmington, DE 19805

$285,000
1,416 sqft

Commercial storefront space is paired with a four-bedroom residential unit across the upper floors.

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Mixed-Use Property with Loft Residence
Mixed-Use Property with Loft Residence

38 Clinton St, Delaware City, DE 19706

$425,000
2,475 sqft

Ground-floor retail pairs with a two-bedroom residential unit and private rear outdoor space.

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Professional Office Condominium
Professional Office Condominium

5149 W WOODMILL DRIVE #20, Wilmington, DE 19808

$325,000
1,500 sqft

Flexible professional workspace with on-site parking and convenient access to major transportation routes.

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Professional Office Condominium
Professional Office Condominium

20-5149 W Woodmill Dr, Wilmington, DE 19808

$325,000
1,500 sqft

Flexible office suites provide private work areas, conference space, support rooms, and on-site parking.

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North Market Street Redevelopment Opportunity
North Market Street Redevelopment Opportunity

1701 N Market St, Wilmington, DE 19802

$475,000
4,180 sqft

4,180 SF redevelopment opportunity in Wilmington's urban commercial area.

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Office Condo with Private Rooms
Office Condo with Private Rooms

1401 Pennsylvania Ave Unit 102, Wilmington, DE 19806

$130,000
800 sqft

Flexible commercial condo with an open workspace, two enclosed rooms, reception area, and owner parking.

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Mixed-Use Property with Balcony
Mixed-Use Property with Balcony

36 Clinton St, Delaware City, DE 19706

$495,000
2,016 sqft

Two-level property combines a renovated apartment with visible storefront space for commercial use.

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Medical Office Building Near I-95
Medical Office Building Near I-95

1806 North Van Buren Street, Wilmington, DE 19802

$1,100,000
7,010 sqft

7,010 SF medical office building near I-95.

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Live-Work Property with Paved Parking
Live-Work Property with Paved Parking

102 Northern Ave, Wilmington, DE 19805

$310,000
1,450 sqft

Residentially zoned property with a renovated kitchen, front porch, and paved parking area.

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Three-Level Office Condo
Three-Level Office Condo

34-5207 W Woodmill Dr, Wilmington, DE 19808

$475,000
2,936 sqft

Vacant, freshly refreshed workspace with on-site parking and access to major transportation routes.

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Professional Office Condominium Suite
Professional Office Condominium Suite

5145 W WOODMILL DRIVE #22, Wilmington, DE 19808

$325,000
1,500 sqft

Flexible office suite with reception, private offices, conference space, kitchen, storage, and private restrooms in Woodmill Corporate Center.

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First-Floor Office Unit
First-Floor Office Unit

1401 Pennsylvania Ave Unit 103, Wilmington, DE 19806

$120,000
773 sqft

Flexible commercial space with a reception area, multiple workrooms, storage, and an updated bathroom.

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New Castle County, DE Office Spaces Market Trends and Statistics

Explore 91 office spaces for sale in New Castle County, DE, showcased through 91 active listings on our real estate platform. These investment opportunities span a total of 1,522,835 square feet of properties for sale, with an estimated market value of $29,543,500.

Sale prices for office spaces in New Castle County, DE start at $120,000, averaging $671,443, and reaching up to $3,200,000 — 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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