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    Port Isabel, TX
    Residential Income

    Port Isabel, TX Residential Income Properties for Sale

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    Quadplex with Bay Views
    Updated: Sep 7
    Quadplex with Bay Views

    310 Harbor Light, Port Isabel, TX 78578

    $750,000
    3,508 sqft
    Main residence plus three efficiency cottages
    3508 square feet across three individual city lots
    MF zoning
    Bay views near Port Isabel’s Historic district
    Block‑and‑brick construction with attached garage
    View details
    Duplex with Separate Utilities
    Updated: Nov 2
    Duplex with Separate Utilities

    325 W Jefferson, Port Isabel, TX 78578

    $340,000
    2,064 sqft 0.17 AC lot
    Two residences, each with 3 bedrooms and 2 bathrooms
    2,064 square feet on a 0.1653‑acre lot
    Separate utility meters and air‑conditioning systems
    Attached one‑car garage and patio for each side
    Roof and both AC units replaced 3 years ago
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    Duplex with Separate Utilities
    Duplex with Separate Utilities

    325 Jefferson Street, Port Isabel, TX 78578

    $340,000
    2,064 sqft 0.17 AC lot

    Two three-bedroom residences each include a garage, patio, and independent utility meters.

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    Realmo Analytics Monitor Off-market properties and contact owners who are ready to sell. Many signals applied to make quality leads for you. Get Leads
    Multifamily Property with Cottages
    Multifamily Property with Cottages

    310 Harbor Light St, Port Isabel, TX 78578

    $750,000
    3,508 sqft

    A primary residence, three efficiency cottages, and storage occupy three city lots.

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    Waterfront Mixed-Use Property
    Waterfront Mixed-Use Property

    418 W Highway 100, Port Isabel, TX 78578

    $9,000,000
    25,257 sqft 4.47 AC lot

    Hospitality, residential, marina, dining, and boating services share a single commercial property.

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    Five-Unit Apartment Building
    Five-Unit Apartment Building

    510 S Musina, Port Isabel, TX 78578

    $495,000
    2,645 sqft 0.28 AC lot

    Fully occupied multifamily property with a three-bedroom residence, studio efficiencies, and a one-bedroom apartment.

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    RV Lot in Gated Community
    RV Lot in Gated Community

    538 W Clam Circle, Port Isabel, TX 78578

    $125,000
    0.06 AC lot

    Well-landscaped RV lot with amenities in Port Isabel, Texas.

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    7 active listings match your search: Residential Income for sale in Port Isabel, TX. Based on your search, we've also compiled 10 Potential Opportunities for your consideration: 4 properties in nearby cities, 2 off-market properties to explore as potential leads, and 4 land listings with development potential.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    4-Unit Bayfront Quadplex
    4-Unit Bayfront Quadplex

    205 W Kingfish St., South Padre Island, TX 78597

    $1,100,000
    2,116 sqft 0.03 AC lot

    The residences include private patios or balconies, in-unit washers and dryers, and updated kitchens and bathrooms.

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    Duplex Near Beach Access
    Duplex Near Beach Access

    126 East Carolyn Drive, South Padre Island, TX 78597

    $675,000
    2,282 sqft 0.14 AC lot

    The 6,250-square-foot parcel is located four properties inland from Gulf Boulevard.

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    Multifamily Property with Shared Patio
    Multifamily Property with Shared Patio

    1-4-110 E Pike St, South Padre Island, TX 78597

    $1,100,000
    3,350 sqft

    Occupied units offer individual utility metering and access to a shared outdoor gathering area.

    View details
    Triplex With Bay Views
    Triplex With Bay Views

    111 W Marisol Dr., South Padre Island, TX 78597

    $769,000
    3,184 sqft 0.11 AC lot

    Short-term rentals are permitted, and each unit has washer and dryer hookups.

    View details

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Waterfront Lot in Port Isabel
    Waterfront Lot in Port Isabel

    814 Tarpon Ave lot: 28, Port Isabel, TX 78578

    $228,000
    0.11 AC lot

    Waterfront lot with bulkhead in prime Port Isabel location.

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    Residential Lot Near South Padre
    Residential Lot Near South Padre

    906 W Polk lot: 27, Port Isabel, TX 78578

    $120,000
    0.14 AC lot

    Residential lot for sale near South Padre Island.

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    Residential Land in Port Isabel
    Residential Land in Port Isabel

    Tarpon Ave lot: 19, Port Isabel, TX 78578

    $55,000
    0.11 AC lot

    Residential lot in Port Isabel, TX, near Laguna Madre Bay.

    View details
    Residential Land in Gated Subdivision
    Residential Land in Gated Subdivision

    Jean Lafitte lot: 3, Port Isabel, TX 78578

    $120,000
    0.21 AC lot

    Residential land for sale in Port Isabel, Texas.

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    Off-Market Properties in Port Isabel, TX

    Consider similar Off-Market properties in Port Isabel, TX. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    Port Isabel, TX Residential Income Properties Market Trends and Statistics

    Explore 9 residential income properties for sale in Port Isabel, TX, showcased through 7 active listings on our real estate platform. These investment opportunities span a total of 39,046 square feet of properties for sale, with an estimated market value of $11,800,000.

    Sale prices for residential investment properties in Port Isabel, TX start at $125,000, averaging $1,685,714, and reaching up to $9,000,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Multifamily properties 5
    Apartment buildings 2
    Mobile home & RV parks 1
    Quadplexes 1

    Demographics Overview

    Population 10K
    Population Growth (5Y) -12.4%
    Median Household Income $52,041
    College Educated 34.6%

    High-Yield Neighborhoods for Investment

    Identify Port Isabel submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    78578 $2.2M

    Taxes & Financing

    Tax Rate (average for all types) 1.71%
    Property Tax per SF $20.64 per SF
    Tax Rate vs County Average 0.10 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Cameron County

    New Delisted

    Total CRE Inventory on Market (SF)

    How Realmo verifies these figures

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    Popular Searches in Port Isabel, TX

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    Most Searched ZIP Codes in Port Isabel, TX

    • 78578

    Featured Port Isabel Real Estate Agencies

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

    Woolverton Realty
    P. O. Box 2018 Port Isabel, TX
    Phone: (956) 943-5506
    www.woolvertonrealty.com
    Pride of Texas
    223 E. Maxan St. #56 Port Isabel, TX
    Phone: (956) 874-5890
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