New Castle County, DE Residential Income Properties for Sale

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Wilmington, DE Dover, DE Milford, DE Millsboro, DE Seaford, DE Lewes, DE Newark, DE Milton, DE

79 properties

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Updated: Apr 18

Brick Duplex With Separate Entrances

1001 & 1003 W. 8th St. W 8TH Street, Wilmington, DE 19806

$950,000

4,350 sqft 0.11 AC lot

Two‑unit duplex with separate entrances
1001 includes four bedrooms; 1003 includes five
4,350 square feet on a 0.1133‑acre parcel
Shared basement provides additional utility space
Brick Colonial construction dating to 1889

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Updated: May 8

Creekside Duplex with Two Units

16 WHITE CLAY Drive, Newark, DE 19711

$595,000

1,575 sqft 0.50 AC lot

Duplex with two units, each offering 3 bedrooms and 1 bath
1,575 square feet on 0.5 acres along White Clay Creek
Separate utilities and individual HVAC for each unit
Washer and dryer provided in both units
Within Newark city limits, near Main Street and the University of Delaware campus

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Brick Triplex with Detached Garage

617 W 9TH Street, Wilmington, DE 19801

$375,000

1,750 sqft 0.04 AC lot

Three-unit residential property with a basement, electric baseboard heat, and window-unit cooling.

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See what stands out in New Castle County

We check every for-sale listing in the county against comparable properties across the country. Most price about where you would expect. A few are worth a second look.

We check every listing here. A few are worth a second look.

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Mixed-Use Property With Three Bays

9 E 44TH STREET, Wilmington, DE 19802

$520,000

5,259 sqft

Mixed-use configuration combines separately accessed residential areas with substantial street-level commercial space and outdoor lot area.

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Brick Duplex with Off-Street Parking

209 N BROOM Street, Wilmington, DE 19805

$390,000

2,200 sqft 0.04 AC lot

Two residential units offer flexible layouts for rental use or owner occupancy near downtown Wilmington.

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Brick Triplex With Separate Utilities

600 W 5TH Street, Wilmington, DE 19801

$350,000

2,775 sqft 0.04 AC lot

Three residential units with individual gas hot water and electric service, plus a central sprinkler system.

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End-of-Row Triplex

940 N SPRUCE Street, Wilmington, DE 19801

$295,900

2,624 sqft 0.03 AC lot

Three-unit masonry property with separate utilities, private entry, shared upper-level access, and a fenced rear yard.

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Brick Triplex With Separate Entrances

4503 WELDIN ROAD, Wilmington, DE 19803

$625,000

2,525 sqft 0.53 AC lot

Three individually serviced residences include a sunroom, covered porch, and basement laundry and storage.

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Brick Triplex with Three Units

902 N MADISON Street, Wilmington, DE 19801

$439,900

4,250 sqft 0.08 AC lot

Fully occupied residential income property with flexible month-to-month tenancy and off-street parking.

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Duplex with Private Decks

623 CONCORD Avenue, Wilmington, DE 19802

$310,000

1,675 sqft 0.07 AC lot

Two-unit brick property with in-unit laundry, outdoor decks, and a flexible owner-occupant or rental configuration.

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8-Unit Multifamily with 9th Potential

1300 N French St, Wilmington, DE 19801

$1,200,000

6,513 sqft

8-unit multifamily with a unit mix of one-, two-, and three-bedrooms, spanning 6,513 square feet.

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Brick Duplex with Two Units

2521 N TATNALL Street, Wilmington, DE 19802

$250,000

1,525 sqft 0.04 AC lot

Two separate living spaces include refrigerator and stove appliances.

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Two-Unit Cape Cod Duplex

310 SILVERBROOK Drive, Wilmington, DE 19804

$399,900

1,425 sqft 0.15 AC lot

Permitted two-unit layout includes separate entries, private laundry areas, and a detached garage.

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Multifamily Property with Radiant Heat

600 N West St, Wilmington, DE 19801

$760,000

7,233 sqft

The 1900-built property includes window-unit cooling, oil/radiant heat, and an electric water heater.

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Triplex with Separate Systems

801 W 9TH Street, Wilmington, DE 19801

$375,000

2,875 sqft 0.03 AC lot

Corner multifamily building with three apartments, individual utilities, and central air conditioning.

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Brick Triplex with Separate Entrances

4503 WELDIN RD, Wilmington, DE 19803

$625,000

0.53 AC lot

Three private residences offer flexible occupancy options on a spacious North Wilmington parcel.

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Duplex with Creek Views

16 White Clay Dr, Newark, DE 19711

$595,000

1,575 sqft 0.50 AC lot

Two separate residences feature individual HVAC, laundry appliances, and utility services for distinct household operation.

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7-Unit Apartment Building

600 N WEST Street, Wilmington, DE 19801

$760,000

0.07 AC lot

Historic multifamily property with renovated apartments, private balconies, and individually metered electric service.

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Student Housing Investment Opportunity

118 NEW LONDON ROAD, Newark, DE 19711

$2,995,000

9,018 sqft

Five-unit student housing near University of Delaware campus.

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Corner Mixed-Use Property

837 W 4TH Street, Wilmington, DE 19801

$375,000

2,268 sqft 0.02 AC lot

Brick building combines a street-level salon with two tenant-occupied apartments and separate residential access.

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Three-Story Mixed-Use Building

12 Trolley Sq, Wilmington, DE 19806

$1,050,000

2,940 sqft

Three condominium units combine a former ground-floor restaurant with two leased residential apartments above.

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Brick Triplex with Vacant Unit

1020 W 8TH Street, Wilmington, DE 19806

$369,900

2,325 sqft 0.05 AC lot

Brick three-unit property with one vacant residence and two month-to-month tenancies.

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Mixed-Use Building with Apartment

1722 N SCOTT STREET, Wilmington, DE 19806

$690,000

1,307 sqft

First-floor commercial space is paired with a second-floor apartment in a two-level property.

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Brick Triplex with Basement

2120 N PINE Street, Wilmington, DE 19802

$99,900

2,400 sqft 0.03 AC lot

The property contains three two-bedroom, one-bath units and is offered in as-is condition.

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New Castle County, DE Residential Income Properties Market Trends and Statistics

Explore 79 residential income properties for sale in New Castle County, DE, showcased through 79 active listings on our real estate platform. These investment opportunities span a total of 927,011 square feet of properties for sale, with an estimated market value of $34,038,898.

Sale prices for residential income properties in New Castle County, DE start at $99,900, averaging $466,286, and reaching up to $2,995,000 — 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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