New Castle, DE Office buildings for sale

Updated: Apr 11

Renovated One-Story Office Building

900 Uniqema Boulevard, New Castle, DE 19720

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11,568 sqft

11,568 SF one‑story office building completely renovated in 2018
Layout includes reception area, conference room, and 20 private offices
Includes male/female restrooms with multiple stalls
Features a commercial kitchen plus large bullpen/training/meeting rooms
Currently occupied by the seller, with a leaseback option available

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Updated: Apr 11

Four-Story Office Building

1000 Uniqema Boulevard, New Castle, DE 19720

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70,000 sqft

Four‑story office building totaling 70,000 SF in dark shell condition
Includes covered parking and surface parking
Building served by three elevators

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Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center

Based on your search, we've compiled 10 Potential Opportunities for your consideration. Besides 2 Active listings in New Castle, DE, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Multi-Suite Office Building

2 & 6 Chestnut St, Pennsville, NJ 08070

$359,900

2,900 sqft

Two-building office property with three rental suites, paved parking, and recent exterior and interior updates.

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Leased Nonprofit Office Building

364 S Broadway, Pennsville, NJ 08070

$269,000

3,025 sqft

Two-story office building with reception, offices, and classroom space, tenant occupied on a lease through June 2028.

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Multi-Story Office Building with 2-Car Garage

1205 N Orange St, Wilmington, DE 19801

Contact for pricing

7,200 sqft

Multi-story office building with on-site 2-car garage, security on each floor, and office setup across three levels.

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Renovated Office Building in Wilmington

1501 N WALNUT St, Wilmington, DE 19801

$1,100,000

Fully renovated two-story office building in a prime Wilmington location.

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Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Land in Redevelopment Zone

L18-20 W BROAD Street, Paulsboro, NJ 08066

$410,000

0.21 AC lot

Land assemblage in Paulsboro, close to I-295.

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Prime Land in Sewell, NJ

L13 BRIDGETON Pike, Sewell, NJ 08080

$4,000,000

39.04 AC lot

39 +/- acres with road frontage in Mantua Township.

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Commercial Lot on Route 40

2515 PULASKI HIGHWAY, North East, MD 21901

$245,000

0.81 AC lot

Commercial or office lot on busy Rt. 40 for sale.

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Philadelphia Land Development Opportunity

5421 MARKET Street, Philadelphia, PA 19139

$30,000

0.02 AC lot

Two adjacent lots zoned for commercial and residential development.

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New Castle, DE Office Buildings for Sale

900 Uniqema Boulevard, New Castle, DE 19720

1000 Uniqema Boulevard, New Castle, DE 19720