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    Port Isabel, TX Multifamily 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
    Waterfront Mixed-Use Property
    Updated: Mar 21
    Waterfront Mixed-Use Property

    418 W Highway 100, Port Isabel, TX 78578

    $9,000,000
    25,257 sqft 4.47 AC lot
    24 hotel rooms and 13 occupied apartments
    28 boat slips, a fishing pier, and a boat fuel station
    Restaurant and bar, bait shop, and RV and boat storage
    25,257‑square‑foot property on 4.47 acres
    Zoned Comm; built in 1968
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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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    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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    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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    Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 5 Active listings in Port Isabel, TX, we suggest exploring several alternatives: 4 properties in Nearby Cities, plus 2 Land Listings that present a potential for development.

    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.

    View details
    Four-Unit Beach-Area Quadplex
    Four-Unit Beach-Area Quadplex

    110 E Pike St., South Padre Island, TX 78597

    $1,100,000
    3,350 sqft 0.03 AC lot

    Fully occupied property with separately metered utilities, assigned parking, and shared patio access.

    View details
    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.

    Port Isabel Land with Amenities
    Port Isabel Land with Amenities

    728 E Clam Circle lot: 728, Port Isabel, TX 78578

    $120,000
    0.06 AC lot

    Residential lot with concrete pad and storage shed.

    View details
    San Benito Land Opportunity
    San Benito Land Opportunity

    30528 Melomar Dr. lot: 15, San Benito, TX 78586

    $86,300
    0.97 AC lot

    Nearly an acre of improved land in San Benito, TX.

    View details

    Port Isabel, TX Multifamily Properties Market Trends and Statistics

    Explore 5 multifamily properties for sale in Port Isabel, TX, showcased through 5 active listings on our real estate platform. These investment opportunities span a total of 34,918 square feet of properties for sale, with an estimated market value of $11,120,000.

    Sale prices for multifamily properties in Port Isabel, TX start at $125,000, averaging $2,224,000, 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

    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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    Browse Multifamily properties for Sale Near 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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