Galveston County, TX Duplexes for sale

Updated: Sep 22, 2025

Two-Cottage Duplex Property

4413 Bernardo de Galvez, Galveston, TX 77550

$209,500

782 sqft

Two one‑bedroom, one‑bath cottages on one lot
782 square feet of property size
Off‑street parking included
Wood flooring and composition roof
Built in 1962

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Updated: Jul 22

Furnished Duplex Near Adoue Park

1105 Ball, Galveston, TX 77550

$1,000,000

3,200 sqft

Duplex with two 1,600‑square‑foot units
Each unit includes 3 bedrooms and 2 bathrooms
3,200‑square‑foot property built in 1895
Both units currently operated as AirBnB rentals
Furnishings, dishes, and décor included in each unit

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Remodeled Two-Unit Duplex

1029 62nd St Street, Galveston, TX 77551

$325,000

1,846 sqft

The one- and two-bedroom residences each have patio space and washer and dryer connections.

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Duplex with Private Entrances

1201 28th Street, Galveston, TX 77550

$650,000

1,468 sqft

Each planned residence includes two bedrooms, two bathrooms, and separate driveway access.

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Renovated Duplex With Beach Views

1515 13th St, Galveston, TX 77550

$735,000

1,406 sqft

Two separately serviced residences offer flexible rental or owner-occupant use near Galveston’s coastal dining and attractions.

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Waterfront Duplex Compound

1047 & 1027 Long Reach Drive, Tiki Island, TX 77554

$3,899,999

3,325 sqft

Two renovated residences share a resort-style pool, outdoor kitchen, and private boating amenities.

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Duplex With Covered Patio

3723 Putnam Drive A, Bacliff, TX 77518

$290,000

1,940 sqft

Both residences offer open layouts, tile flooring, updated kitchens, and washer/dryer hookups.

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Canal-Front Duplex

85 Bayou Vista Drive, Hitchcock, TX 77563

$249,000

1,024 sqft

Separate entrances serve two living areas, each with a bedroom and a bathroom.

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2-Unit Duplex with Separate Living Spaces

1501 / 1503 J H Clouser Street, Galveston, TX 77550

$299,000

1,520 sqft

Two-bedroom, two-bath layouts provide distinct living arrangements across both units.

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2-Unit Duplex

7316 Overton Street, Hitchcock, TX 77563

$258,000

2,244 sqft

Tenant-occupied duplex with matching two-bedroom layouts and full and half baths in each unit.

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Freestanding Duplex with Attached Garages

118 Johnson St, La Marque, TX 77568

$250,000

838 sqft

Two residential units provide separate entries and individual laundry connections.

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Updated Duplex with Remodeled Kitchens

715 35th St, Galveston, TX 77550

$330,000

2,436 sqft

Two-level residential income property with renovated interiors, upgraded systems, and separate unit configurations.

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Three-Level Duplex with Garage

4309 Ursuline Street, Galveston, TX 77550

$423,900

3,132 sqft

Flexible duplex layout with separate living areas, upgraded storm windows, and a detached garage near Galveston’s beach and Strand district.

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Duplex with Gated Carport

3601 Princeton, Galveston, TX 77554

$449,999

2,647 sqft

A 2013-built residential income property includes electric appliances and a smart thermostat.

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Well-Maintained Duplex with Private Entrances

2617 Avenue L, Galveston, TX 77550

$349,900

1,752 sqft

Two separate, well-laid-out units with private entrances make this duplex suitable for either income or owner-occupancy.

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Restored Historic Duplex Income Property

1606 Avenue L, Galveston, TX 77550

$449,000

2,074 sqft

Restored 1897 duplex with two 2-bedroom, 1-bath units, updated interiors, and rebuilt porches.

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Two-Story Duplex Investment Opportunity

511 43rd St, Galveston, TX 77550

$180,000

1,700 sqft

A two-story duplex with room for updates, suited to investors seeking a value-add rental or STR strategy.

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Restored Historic Duplex

1604 Avenue L, Galveston, TX 77550

$449,000

2,074 sqft

Two income-producing units feature updated kitchens, bathrooms, flooring, and lighting.

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Two-Unit Duplex Property

1101 1st Ave N, Texas City, TX 77590

$109,000

1,884 sqft

Residential income property with two separate units in a small-scale multifamily format.

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Two-Unit Duplex with Fenced Yard

2616 45th Street, Galveston, TX 77550

$365,000

2,368 sqft

Separate one- and two-bedroom units support flexible living arrangements with shared outdoor space.

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Two-Unit Duplex with Fenced Yards

3525 Avenue Q, Galveston, TX 77550

$229,000

1,780 sqft

Duplex offering two one-bedroom units, each with private fenced yards and washer/dryer connections.

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Two-Story Duplex with Separate Apartment

1512 Moody Avenue, Galveston, TX 77550

$289,000

1,616 sqft

Distinct upper and lower living areas support flexible occupancy arrangements in a recently refreshed property.

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Updated Galveston Duplex

2727 Avenue K, Galveston, TX 77550

$335,000

1,646 sqft

Updated two-unit duplex with fenced-yard access, roof and HVAC replacements in 2024, and modern interior finishes.

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Two-Unit Duplex

1501-1503 J H Clouser Street, Galveston, TX 77550

$299,000

1,520 sqft 0.10 AC lot

Both units have separate living areas, ceiling fans, and window-unit cooling.

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Galveston County, TX Duplexes Market Trends and Statistics

Explore 41 duplexes for sale in Galveston County, TX, showcased through 41 active listings on our real estate platform. These investment opportunities span a total of 62,728 square feet of properties for sale, with an estimated market value of $18,487,794.

Sale prices for two-family homes in Galveston County, TX start at $109,000, averaging $450,921, and reaching up to $3,899,999 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Featured Galveston County Real Estate Agencies

Realmo connects you with licensed Galveston County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

Better Homes and Gardens RE Gary Greene Galveston In Town

2615 Broadway St Galveston, TX

Phone: (409) 763-8030

BAYOU REALTORS, INC.

1613 FM 517 East Dickinson, TX

Phone: (281) 337-4557

bayourealtors.com

SAND 'N SEA PROPERTIES, LLC

4127 Pirates Beach Galveston, TX

Phone: (409) 797-5500