Cameron County, TX Duplexes for Sale

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Updated: Jun 24

Medical Office Space with Residential Unit

1801-1805 E HARRISON AVE., Harlingen, TX 78550

$350,000

3,465 sqft 0.30 AC lot

0.2984‑acre parcel with 3,465 SF medical office space
Duplex‑style layout with dedicated office wing plus separate apartment‑style living space
Currently operating as a chiropractic office; previously home to a title company
Office includes reception/waiting, front desk, private office, and two treatment rooms with floor‑to‑ceiling picture windows
Residential side offers large living area, kitchen, bedroom, and full bathroom

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This listing looks promising.

Here's a quick look at some key insights for

1801-1805 E HARRISON AVE., HARLINGEN, TX 78550

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Est. Cap Rate

9.1%
Above avg (5.9%)
Est. NOI

$32K
Annual
Price @ 7% Cap

$454K
Above asking

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Updated: Jul 21

Duplex with Three Balconies

129 E Gardenia Street, South Padre Island, TX 78597

$599,000

2,625 sqft 0.14 AC lot

2,625 SF duplex on 0.1435‑acre lot
Each unit has 3 bedrooms and 2 full bathrooms
Three balconies for outdoor living
Electric heat plus central air conditioning
Mature trees and a large backyard

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Modern Duplex with Private Pools

116A & 116B E Dolphin Street, South Padre Island, TX 78597

$1,480,000

3,797 sqft 0.11 AC lot

Two-unit duplex with 3 bedrooms and 2.5 baths per unit, each with an outdoor shower, fenced yard, and private pool.

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Brick Duplex with Central HVAC

3552 OLD PORT ISABEL RD., Brownsville, TX 78526

$375,000

4,064 sqft 0.25 AC lot

Two-unit income property with tile flooring, patios, privacy fencing, and public water and sewer service.

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Fully Leased Duplex

605 W Cypress Ave, La Feria, TX 78559

$325,000

1,812 sqft

2022-built income property with quartz countertops, pantries, and built-in closet storage.

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Up/Down Duplex with Four Season Porch

129 E Esperanza Street, South Padre Island, TX 78597

$720,000

2,296 sqft 0.14 AC lot

Up/down duplex with two-bedroom units and a four-season porch, finished with stucco and vinyl siding.

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Beach-Access Duplex

126 E Carolyn Dr., South Padre Island, TX 78597

$675,000

2,282 sqft 0.14 AC lot

Furnished residential property with a fenced yard, attached garage, deck, patio, and on-site storage.

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Two-Unit Duplex with Private Pools

128 E Saturn Lane, South Padre Island, TX 78597

$2,690,000

6,820 sqft 0.07 AC lot

Under-construction duplex with water-view decks, entertainment areas, and no HOA restrictions.

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Side-by-Side Duplex Investment

605 & 609 W Cypress Ave, La Feria, TX 78559

$590,000

3,620 sqft

Two side-by-side, fully leased 2-bedroom, 2-bath duplexes were built in 2022.

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Remodeled Duplex

129 E Esperanza St., South Padre Island, TX 78597

$720,000

2,296 sqft 0.14 AC lot

Two-unit residence near Gulf Boulevard with separate living areas, porches, a garage, and a fenced private yard.

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Remodeled Up/Down Duplex

129 E Esperanza St, South Padre Island, TX 78597

$720,000

2,296 sqft

Two separate residences include a ground-floor unit and an upper two-story apartment with a four-season porch.

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Duplex With Separate Utilities

373 SAN EUGENIO, Brownsville, TX 78521

$255,000

1,918 sqft 0.14 AC lot

Duplex for sale with two-bedroom, one-bath units, each with designated parking and separate water and electric meters.

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Two-Unit Duplex With Pool

102 E Whiting St., South Padre Island, TX 78597

$1,899,900

3,534 sqft 0.12 AC lot

The duplex includes tile flooring, quartz waterfall countertops, and a rear pool with gazebo.

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Duplex with Driveway Parking

1815 Madison St., Brownsville, TX 78520

$340,000

2,564 sqft

Two three-bedroom units feature appliance-equipped kitchens and open living-dining areas.

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Duplex with Detached Storage Shed

1717 E POLK ST., Brownsville, TX 78520

$144,900

1,020 sqft 0.07 AC lot

Duplex built in 1999 with a detached storage shed, porch, and public water and sewer services.

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Duplex Under Construction

6645 PORTWAY DR., Brownsville, TX 78520

$279,995

1,880 sqft 0.16 AC lot

Two-unit residential property with central HVAC, tile flooring, a patio, and public water and sewer service.

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Remodeled Furnished Duplex with Pool

202 W Cora Lee Dr., South Padre Island, TX 78597

$900,000

2,363 sqft

Two-unit property includes separate living spaces, appliances, a balcony, and a one-car garage.

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Brownsville Duplex Investment Opportunity

2455 POLK, Brownsville, TX 78520

$179,000

1,378 sqft 0.14 AC lot

Duplex with two units, each featuring two bedrooms and one bath.

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Corner Lot Convenience Store

2301 Carlos Avenue, Brownsville, TX 78526

$235,000

1,714 sqft

Operating convenience store with drive-thru window and walk-in freezer, plus two leased apartments.

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Duplex With Privacy Fencing

605 W CYPRESS, La Feria, TX 78559

$295,000

1,812 sqft 0.14 AC lot

Fully leased 2022-built duplex with an open floor plan, central electric HVAC, and privacy fencing on a public utilities lot.

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Two-Unit Duplex with Rooftop Deck

A-b-122 E Whiting St, South Padre Island, TX 78597

$625,000

1,560 sqft

Two private residences offer flexible living arrangements near South Padre Island beaches, dining, nightlife, and local attractions.

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Updated Duplex with Washer Connections

1134 CHILTON ST, Brownsville, TX 78521

$300,000

2,176 sqft 0.13 AC lot

Both three-bedroom units offer updated interiors, central HVAC, and washer and dryer connections.

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Modern Duplex With Private Pool

110 E Ling St, South Padre Island, TX 78597

$1,100,000

3,506 sqft

Two separately configured residences offer three-bedroom layouts, fenced outdoor space, and walkable access to beach-area amenities.

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Fully Leased Duplex

609 W CYPRESS, La Feria, TX 78559

$295,000

1,808 sqft 0.14 AC lot

Built in 2022, this fully leased duplex offers an open 2-bedroom, 2-bath layout with modern interior upgrades.

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Cameron County, TX Duplexes Market Trends and Statistics

Explore 62 duplexes for sale in Cameron County, TX, showcased through 62 active listings on our real estate platform. These investment opportunities span a total of 139,302 square feet of properties for sale, with an estimated market value of $31,029,195.

Sale prices for duplexes in Cameron County, TX start at $144,900, averaging $544,371, and reaching up to $2,690,000 — 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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