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Off market
  • Tax assessed value
    $299,107

    510 S Musina St, Port Isabel, TX 78578

    7beds
    2,645sqft
    MultiFamily
    Built in 1868
    -- sqft lot
    $-- Zestimate®
    $113/sqft
    $3,653 Estimated rent

    Home value

    Not available

    Estimated sales range

    Not available

    $3,653/mo

    Zestimate® history
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    Rent Zestimate®

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    $2,094/mo

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    What's special

    Two-car garageSpacious main houseFuture expansionCorner lotGenerous corner lotStudio efficiencies

    Discover a rare investment opportunity with this fully tenant-occupied 5-plex rental property, with rental roll available, ideally located on a generous corner lot comprised of two 50-foot parcels—offering ample space and potential for future expansion. Nestled in the heart of Port Isabel, just half a mile from the Causeway and Lighthouse Square, and directly across from scenic Washington Park, this prime location enhances both lifestyle and value. The property features a spacious main house with 3 bedrooms, 2.5 bathrooms, and a two-car garage, along with three studio efficiencies and a separate 1-bedroom, 1-bath unit. Currently generating a strong monthly rental income of $4,607 and backed by a solid rental history, this property presents a compelling income-producing asset with long-term upside. Whether you're seeking steady cash flow, room to grow, or an ideal location, this property checks every box. Owner financing is available, adding flexibility to your investment strategy. Showings require 48 hours' notice—schedule your private tour today and explore the possibilities firsthand!

    This property is off market, which means it's not currently listed for sale or rent on Zillow. This may be different from what's available on other websites or public sources.

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 7
    • Bathrooms: 7
    • Full bathrooms: 6
    • 1/2 bathrooms: 1
    Heating
    • Forced air, Wood / Pellet
    Cooling
    • Central
    Appliances
    • Included: Dryer, Washer
    Features
    • Flooring: Hardwood
    Interior area
    • Total interior livable area: 2,645 sqft

    Property

    Parking
    • Parking features: Garage - Detached
    Features
    • Exterior features: Wood
    • Has view: Yes
    • View description: Park
    Lot
    • Size: 0.28 Acres
    Details
    • Parcel number: 4700000110007000

    Construction

    Type & style
    • Home type: MultiFamily
    Materials
    • Frame
    • Foundation: Piers
    • Roof: Composition
    Condition
    • Year built: 1868

    Community & HOA

    Location
    • Region: Port Isabel

    Financial & listing details

    • Price per square foot: $113/sqft
    • Tax assessed value: $299,107
    • Annual tax amount: $2,491

    Price history

    DateEventPrice
    9/8/2025Listing removed--
    Source: Owner Report a problem
    7/25/2025Listed for sale$497,500$188/sqft
    Source: Owner Report a problem
    7/7/2025Listing removed--
    Source: Owner Report a problem
    4/7/2025Listed for sale$497,500-7.7%$188/sqft
    Source: Owner Report a problem
    7/25/2024Listing removed$539,000$204/sqft
    Source: SPIBOR #100213 Report a problem
    11/8/2023Listed for sale$539,000$204/sqft
    Source: SPIBOR #100213 Report a problem
    11/1/2023Listing removed--
    Source: SPIBOR #98878 Report a problem
    10/13/2023Price change$539,000-1.1%$204/sqft
    Source: SPIBOR #98942 Report a problem
    8/26/2023Listed for sale$545,000+131.9%$206/sqft
    Source: SPIBOR #98878 Report a problem
    3/24/2021Listing removed--
    Source: Owner Report a problem
    1/24/2020Listing removed$1,250
    Source: Owner Report a problem
    1/18/2020Listed for rent$1,250
    Source: Owner Report a problem
    2/29/2016Listing removed$235,000$89/sqft
    Source: RE/MAX 1ST Choice #85376 Report a problem
    9/6/2015Listed for sale$235,000$89/sqft
    Source: RE/MAX 1ST Choice #85376 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$2,491 -10.8%$205,422 +10%
    2024$2,793 +18.3%$186,747 +10%
    2023$2,361 -20.1%$169,770 +10%
    2022$2,956 $154,336 -0.9%
    2021-- $155,794 -0.5%
    2020-- $156,526 -0.4%
    2019$3,255 -1.4%$157,205 -0.7%
    2018$3,302 +1.7%$158,334 +0.8%
    2017$3,247 +304%$157,004 -22.5%
    2016$804 $202,660
    2015-- $202,660 +9.6%
    2014-- $184,989
    2013-- $184,989 +70.3%
    2012-- $108,644
    2011-- $108,644
    2010-- $108,644
    2009-- $108,644
    2008-- $108,644
    2007-- $108,644 +72.5%
    2005$1,198 +14.8%$62,982 +11.3%
    2004$1,043 +7%$56,605 +10%
    2003$975 +5.5%$51,459 +10%
    2002$925 +14.6%$46,781 +10%
    2001$806 -11.3%$42,528 +1.1%
    2000$909 $42,079
    Find assessor info on the county website

    Neighborhood: 78578

    Nearby schools

    GreatSchools rating
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