New Castle County, DE Residential income properties for sale

$795,000

4,141 SF

Colonial Home with In-Law Suite

330 MOURNING DOVE Drive, Newark, DE 19711

Well-maintained colonial layout includes a finished basement with a separate one-bedroom, one-bath living area.

Approximately 3,570 sq ft finished living space in a Colonial home built in 1997
Finished basement includes an additional separate 1‑bedroom, 1‑bath living area with its own kitchen
Main living area features a fireplace; open floor plan with wood floors and carpeting
Primary suite with private bath featuring dual vanities, plus ample closet space
Central air and forced‑air heating (plus additional heating source listed as “Other”)

Updated: May 6

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$695,000

1,575 SF

Twin/Duplex Near University of Delaware

16 WHITE CLAY Drive, Newark, DE 19711

Twin/duplex on White Clay Creek, walking distance to Main Street.

Prime Location: Walking distance to Main Street and the University of Delaware campus.
Waterfront Property: Situated on the White Clay Creek with water views.
Investment Opportunity: Twin/Duplex on a half‑acre lot.
Subdivision Potential: Possible subdivision per City of Newark.
Separate Utilities and HVAC: Each unit has its own.

Updated: May 8

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Wilmington Triplex: Investment Opportunity

$439,900

4,250 SF

Wilmington Triplex: Investment Opportunity

Well-maintained triplex in Wilmington with immediate rental income.

902 N MADISON Street, Wilmington, DE 19801

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$395,000

2,875 SF

Trinity Vicinity Triplex in Wilmington

Three 2-bedroom apartments in a vibrant, walkable Wilmington neighborhood.

801 W 9TH Street, Wilmington, DE 19801

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$230,000

1,800 SF

Updated Duplex in Wilmington

Two-unit property with updated electrical systems, suitable for investors.

1607 W 4TH Street, Wilmington, DE 19805

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Renovated Triplex with Updated Interiors

$550,000

0.06 Acres

Renovated Triplex with Updated Interiors

Renovated triplex offering three updated units with remodeled kitchens and refinished hardwood floors.

709 W 19TH ST, Wilmington, DE 19802

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$380,000

2,268 SF

Corner Retail and Apartment Building

Corner mixed-use building with salon-ready first floor and two 2-bedroom apartments, fully tenant-occupied.

837 W 4TH Street, Wilmington, DE 19801

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Mixed-Use Building in Central Business District

$699,000

0.05 Acres

Mixed-Use Building in Central Business District

Three-story mixed-use building with restaurant and residential units.

919 N ORANGE Street, Wilmington, DE 19801

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Colonial Multifamily Property in Wilmington

$379,000

825 SF

Colonial Multifamily Property in Wilmington

Income-generating duplex with refreshed units, ideal for investors or homeowners.

310 N DUPONT Road, Wilmington, DE 19804

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$225,000

1,425 SF

Wilmington Duplex: Income Potential

Two-unit property in Wilmington, DE with immediate income potential.

202 W 35TH Street, Wilmington, DE 19802

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$315,000

0.05 Acres

Wilmington Triplex Near Downtown

Fully leased triplex near Brandywine, Downtown Wilmington, and Brandywine Trails.

1310 N FRENCH ST, Wilmington, DE 19801

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$119,900

2,400 SF

Triplex with Three 2BR Units

Three 2-bedroom, one-bath units offered for sale as-is; buyer handles certifications and due diligence.

2120 N PINE Street, Wilmington, DE 19802

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Wilmington Multifamily Investment Opportunity

$1,050,000

4,350 SF

Wilmington Multifamily Investment Opportunity

Nine-unit apartment building in desirable Cool Springs location.

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

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$370,000

0.13 Acres

Solid Brick Corner-Lot Duplex

Well-maintained two-unit property in a convenient Wilmington location.

3601 N WASHINGTON ST, Wilmington, DE 19802

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$1,650,000

Twelve-Unit Apartment Building

Well-maintained 2012 apartment building with private parking and approved variance for expansion to additional units.

709 WINDSOR St, Wilmington, DE 19801

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$699,000

Mixed-Use Building in Central Business District

Three-story mixed-use building with restaurant and residential units.

919 N ORANGE St, Wilmington, DE 19801

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$570,000

4,096 SF

Mixed-Use Building in Historic District

Live/work property with income potential in Delaware City's historic district.

Delaware City, DE 19706

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$600,000

Commercially Zoned Retail/Apt Properties

Three commercially zoned retail/apt properties with parking lot.

16 MARYLAND Ave S, Wilmington, DE 19805

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$575,000

Renovated Triplex in Triangle District

Updated triplex in Wilmington's Triangle District, ideal for investors.

709 W 19TH St, Wilmington, DE 19802

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$3,300,000

Student Housing Investment Opportunity

Five-unit student housing near University of Delaware campus.

118 NEW LONDON Rd, Newark, DE 19711

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$650,000

Mixed-Use Investment Opportunity

Mixed-use property with commercial space and five residential units.

1801 W FOURTH St, Wilmington, DE 19805

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$1,200,000

Apartment Building Near Richardson Park

Apartment building with steady cash flow near public transportation.

5 WINSTON Ave, Wilmington, DE 19804

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Wilmington Four-Unit Investment Opportunity

$265,000

2,967 SF

Wilmington Four-Unit Investment Opportunity

Four-unit building with income potential in Wilmington's vibrant heart.

802 Washington Street, Wilmington, DE 19801

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$315,000

Fully Leased Triplex with Basement Access

Well-maintained triplex features four electric meters and three rental units, providing turnkey residential income occupancy.

1310 N FRENCH St, Wilmington, DE 19801

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New Castle County, DE Residential Income Properties Investment Opportunities Market Analysis

Explore 72 residential income properties for sale in New Castle County, DE, showcased through 55 active listings on our real estate platform. These investment opportunities span a total of 127,946 square feet of properties for sale, with an estimated market value of $16,917,500.

Sale prices for residential income properties in New Castle County, DE start at $110,000, averaging $735,543, and reaching up to $4,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.