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    Port Isabel, TX
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    Port Isabel, TX Apartment Buildings for Sale

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    Five-Unit Apartment Building
    Updated: Sep 3, 2025
    Five-Unit Apartment Building

    510 S Musina, Port Isabel, TX 78578

    $495,000
    2,645 sqft 0.28 AC lot
    Five‑unit configuration with a three‑bedroom residence, three studio efficiencies, and one one‑bedroom apartment
    2,645 square feet on 0.2755 acres across two corner lots
    Main residence includes 3 bedrooms, 2.5 baths, and an attached 2‑car garage
    Three studio efficiencies each include a private bath
    Across from the city park at 510 S Musina, Port Isabel, TX 78578
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    Waterfront Hotel, Marina and Rentals
    Updated: Nov 28, 2025
    Waterfront Hotel, Marina and Rentals

    418 W Highway 100, Port Isabel, TX 78578

    $9,000,000
    25,257 sqft
    1968‑built income‑producing multi‑use waterfront property with 24 hotel rooms and 13 fully occupied apartments
    On‑site marina amenities include 28 boat slips, a fishing pier, and a boat fuel station
    Marine and dining offerings include a restaurant/bar, bait shop, and on‑site fuel services
    Includes RV/boat storage and additional land currently utilized for RV & boat storage
    Previously operated as a hotel site with upgrades and improved management reflected in 2025 financials
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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 6 Potential Opportunities for your consideration. Besides 2 Active listings in Port Isabel, TX, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

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

    8-Unit Apartment Building
    8-Unit Apartment Building

    00 Gregory Ave., Brownsville, TX 78521

    $1,195,000
    7,040 sqft

    2014 construction with separately metered water and electric service.

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    Mixed-Use Property with 24 Apartments
    Mixed-Use Property with 24 Apartments

    2100 Old Port Isabel Rd., Brownsville, TX 78526

    $2,700,000
    20,000 sqft

    Fully leased asset combines multifamily housing with two road-facing commercial buildings.

    View details
    Updated Apartment Building
    Updated Apartment Building

    910 E Adams, Harlingen, TX 78550

    $725,000
    7,644 sqft

    Multifamily property with consistent unit layouts and updated apartments near schools, a library, and food options.

    View details
    30-Unit Apartment Community
    30-Unit Apartment Community

    1801 Atrium Drive, Harlingen, TX 78550

    $5,020,000
    32,164 sqft 3.34 AC lot

    Recently built multifamily property with central heating and cooling, public water service, and stucco construction.

    View details

    Port Isabel, TX Apartment Buildings Market Trends and Statistics

    Explore 2 apartment buildings for sale in Port Isabel, TX on our real estate platform. These investment opportunities span a total of 27,902 square feet of properties for sale, with an estimated market value of $9,495,000.

    Sale prices for two-family homes in Port Isabel, TX start at $495,000, averaging $4,747,500, 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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    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 $4.7M

    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)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Cameron County

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