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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
Found 96 office space listings for sale in New Castle County, DE, averaging $153/sq ft. Use valuation data to compare deals faster.
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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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Flexible-Layout Office Units
Updated: Aug 25
Flexible-Layout Office Units

5205 W WOODMILL Drive, Wilmington, DE 19808

$675,000
Approximately 3,100‑square‑foot office suite
Office condominium units at Woodmill Corporate Center
Several units occupied under existing lease agreements
On‑site parking lot
Central air conditioning with heat pump and forced‑air heating
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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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Historic Mixed-Use Townhome
Historic Mixed-Use Townhome

118 DELAWARE STREET, New Castle, DE 19720

$625,000
2,480 sqft

21HC zoning supports low-intensity commercial activity alongside residential use in the historic district.

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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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4-Suite Office Building
4-Suite Office Building

1501 N WALNUT Street, Wilmington, DE 19801

$990,000
0.19 AC lot

Two floors of office space offer separate suite configurations and dedicated restrooms on each level.

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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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7-Unit Office Building
7-Unit Office Building

4708 Kirkwood Highway, Wilmington, DE 19808

$1,375,000
11,000 sqft

Renovated in 2024, the property is fully occupied across its multi-unit office configuration.

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Mixed-Use Building with Apartment
Mixed-Use Building with Apartment

1725 DELAWARE AVENUE, Wilmington, DE 19806

$550,000
1,950 sqft

The ground-floor space supports light commercial use beneath a separate two-bedroom residence.

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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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Professional Office Condominium
Professional Office Condominium

32-5205 W Woodmill Dr, Wilmington, DE 19808

$675,000
3,100 sqft

Located within Woodmill Corporate Center, the suite offers access to on-site parking and nearby restaurants.

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Office Condominium End Unit
Office Condominium End Unit

31-5201 W Woodmill Dr, Wilmington, DE 19808

$745,000
3,450 sqft

Flexible office space is offered within an established corporate center near Kirkwood Highway.

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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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Two-Building Mixed-Use Property
Two-Building Mixed-Use Property

122 E Main St, Christiana, DE 19702

$999,000
6,194 sqft

The parcel combines a front building suited to office use with a rear building featuring an attached playground.

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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

$275,000
1,416 sqft

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

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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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Street-Level Office Condominium
Street-Level Office Condominium

1401 PENNSYLVANIA AVENUE #104, Wilmington, DE 19806

$194,900
1,079 sqft

The layout combines a reception area, three private offices, a kitchenette, two half baths, and two garage parking spaces.

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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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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 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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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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New Castle County, DE Office Spaces Market Trends and Statistics

Explore 96 office spaces for sale in New Castle County, DE, showcased through 96 active listings on our real estate platform. These investment opportunities span a total of 1,510,390 square feet of properties for sale, with an estimated market value of $33,822,600.

Sale prices for office properties in New Castle County, DE start at $130,000, averaging $704,637, 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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