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New Castle County, DE Duplexes for Sale

10 results
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Little Italy Duplex Investment Opportunity
Pending
$279,900
0.06 Acres

Little Italy Duplex Investment Opportunity

1917 W 6Th St, Wilmington, DE 19805

Duplex in Little Italy with month-to-month tenant and vacant unit.

  • New Roof (2021) and New Heater (2017)
  • Duplex in Little Italy offers immediate rental income from one unit ($900/month)
  • Second unit is vacant and freshly painted, ideal for owner‑occupancy or tenant placement
  • Large, fenced yard
  • Separate electric meters and hot water heaters for each unit
Updated: Jan 2
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Multi-Level Home: Renovation Opportunity
$185,000
2,475 SF

Multi-Level Home: Renovation Opportunity

2318 N Market St, Wilmington, DE 19802

Multi-level home with rental potential or redesign opportunity.

  • Excellent investment opportunity with rental or redesign potential.
  • Layout provides flexibility for multi‑unit conversion or a large single‑family home.
  • Features two kitchens and two full bathrooms.
  • Includes multiple living areas.
  • Six bedrooms with closet space.
Updated: Dec 3, 2025
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Wilmington Duplex with Income Potential
$275,000
1,425 SF

Wilmington Duplex with Income Potential

Two-unit property in Wilmington, DE, offering immediate or future rental income.

202 W 35Th St, Wilmington, DE 19802
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Urban Duplex in West Center City
$300,000
2,175 SF

Urban Duplex in West Center City

Two-unit property in downtown Wilmington with immediate cash flow.

606 W 8Th St, Wilmington, DE 19801
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Wilmington Duplex: Urban Living Opportunity
$300,000
1,975 SF

Wilmington Duplex: Urban Living Opportunity

Two-unit duplex in West Center City, Wilmington, ready for investment.

604 W 8Th St, Wilmington, DE 19801
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Wilmington Investment Opportunity: Two Units
$230,000

Wilmington Investment Opportunity: Two Units

Row home with two kitchens, ideal for rental income.

1212 W 3Rd St, Wilmington, DE 19805
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Union Street Duplex For Sale
$235,000

Union Street Duplex For Sale

Duplex with commercial and residential units, ideal for investors.

202 N Union St, Wilmington, DE 19805
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Investment Property Near Wilmington Zoo
$279,900

Investment Property Near Wilmington Zoo

Two units, long-term tenants, separate utilities, well-maintained and updated.

1806 N West St, Wilmington, DE 19802
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Updated Duplex in Triangle Section
$399,000

Updated Duplex in Triangle Section

Two-unit property with updates, spacious backyard, and garage.

610 Concord Ave, Wilmington, DE 19802
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Multi-Unit Property with Investor Potential
$115,000

Multi-Unit Property with Investor Potential

Multi-unit property with renovation potential in Wilmington, being sold as-is.

620 Concord Ave, Wilmington, DE 19802
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Based on your search, we've compiled 10 Potential Opportunities for your consideration. Besides 10 Active listings in New Castle County, DE, we suggest exploring several alternatives:

New Castle County, DE Duplexes Investment Opportunities Market Analysis

Explore 10 duplexes for sale in New Castle County, DE, showcased through 10 active listings on our real estate platform. These investment opportunities span a total of 10,019 square feet of properties for sale, with an estimated market value of $1,339,900.

Prices for duplexes in New Castle County, DE start at $185,000, averaging $267,980, and reaching up to $300,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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