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    San Marcos, TX
    Duplex

    San Marcos, TX Duplexes for Sale

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    Updated Duplex with No-Carpet Interior
    Updated: Jul 23
    Updated Duplex with No-Carpet Interior

    1103 Hillyer Street, San Marcos, TX 78666

    $325,000
    1,760 sqft 0.23 AC lot
    Two 2‑bedroom, 1‑bath units in a duplex with 1,760 SF total building area
    No carpet throughout with wood‑look flooring and laminate/linoleum surfaces
    New roof in 2025 and new exterior paint in 2025
    Unit B extensively remodeled in 2025 with granite kitchen countertops and updated fixtures
    Private driveway setting in San Marcos near Wonder World Park
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    This listing looks promising.

    Here's a quick look at some key insights for

    1103 Hillyer Street, San Marcos, TX 78666

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    • Est. Cap Rate

      9.1%
      Above avg (5.9%)

    • Est. NOI

      $30K
      Annual

    • Price @ 7% Cap

      $422K
      Above asking
    View Property Analytics
    Two Adjoining Mixed-Use Properties
    Updated: Oct 24, 2025
    Two Adjoining Mixed-Use Properties

    521 & 525 W Hutchison Street, San Marcos, TX 78666

    $790,000
    5,295 sqft 0.41 AC lot
    Mixed‑use package at 521 & 525 W Hutchison St with zoning MU
    Two rental units at 525 W Hutchison St: Unit A 3 bed, 2 bath; Unit B 5 bed, 3 bath
    Unit B includes two refrigerators and two washer/dryer sets
    0.411‑acre site totaling about 5,295 SF
    Built in 2010 with stucco and wood siding and a metal roof
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    Duplex With Back Patios and Fenced Yard
    Duplex With Back Patios and Fenced Yard

    318 Craddock Avenue, San Marcos, TX 78666

    $399,000
    2,046 sqft 0.25 AC lot

    Duplex with back patios, fenced backyard, front porches, and newer A/C units plus a newer roof on both sides.

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    Updated Duplex with Two Units
    Updated Duplex with Two Units

    Ab-1103 Hillyer Street, San Marcos, TX 78666

    $325,000
    1,760 sqft

    Two residential units offer flexible occupancy, recent improvements, and low-maintenance flooring throughout.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    Renovated Craftsman Duplexes with Private Yards
    Renovated Craftsman Duplexes with Private Yards

    1017/1019 Haynes Street, San Marcos, TX 78666

    $359,010
    1,300 sqft 0.28 AC lot

    Renovated Craftsman duplexes with large fenced back yards, off-street parking, and new HVAC across the units.

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    Craftsman Duplexes with Private Yards
    Craftsman Duplexes with Private Yards

    1005/1007 Haynes Street, San Marcos, TX 78666

    $350,280
    1,273 sqft 0.28 AC lot

    Recently renovated duplexes offer fenced private yards, off-street parking, and central comfort with most units leased through 2025.

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    Craftsman Duplex with Private Fenced Yard
    Craftsman Duplex with Private Fenced Yard

    1006/1008 Haynes Street, San Marcos, TX 78666

    $354,690
    1,200 sqft 0.28 AC lot

    Recently renovated Craftsman duplex with central HVAC, fenced back yards, and off-street parking.

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    San Marcos Mixed-Use Investment Opportunity
    San Marcos Mixed-Use Investment Opportunity

    521 & 525 W Hutchison St, San Marcos, TX 78666

    $790,000
    0.41 AC lot

    Two adjoining properties near Texas State University and Historic Downtown.

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    Craftsman Duplex
    Craftsman Duplex

    1101/1103 Haynes Street, San Marcos, TX 78666

    $366,300
    1,473 sqft 0.29 AC lot

    Renovated duplexes with fenced back yards, off-street parking, and central HVAC, offered as one or all of four properties.

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    Duplex with Fenced Backyards
    Duplex with Fenced Backyards

    1026 Haynes Street, San Marcos, TX 78666

    $324,900
    1,497 sqft 0.21 AC lot

    Duplex on a 0.2088-acre lot with fully fenced, cross-fenced backyards and public utilities.

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    San Marcos Multifamily Portfolio
    San Marcos Multifamily Portfolio

    540566 Crest Circle Dr, San Marcos, TX 78666

    Contact for pricing
    11,136 sqft

    Twelve-unit residential portfolio in San Marcos, Texas, near Texas State.

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    San Marcos Duplex Investment Opportunity
    San Marcos Duplex Investment Opportunity

    1026 Haynes ST 28, San Marcos, TX 78666

    $324,900
    1,497 sqft

    Short-term rental capable duplex near Texas State University.

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    Based on your search, we've compiled 16 Potential Opportunities for your consideration. Besides 12 Active listings in San Marcos, 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.

    Duplex with Two-Car Garages
    Duplex with Two-Car Garages

    436 Jack Rabbit Lane, Buda, TX 78610

    $485,000
    2,748 sqft 0.19 AC lot

    Duplex built in 2018 featuring fenced yards and attached two-car garages, with one long-term occupied unit and one vacant unit.

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    Brick & Stone Duplex Model
    Brick & Stone Duplex Model

    1187 CREEKSIDE ORCH, New Braunfels, TX 78130

    $495,000
    2,510 sqft 0.20 AC lot

    Former builder duplex model with 3-bedroom, 2-bath layouts and two-car garages on each side.

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    Riverfront Duplex with Deck
    Riverfront Duplex with Deck

    6780 River Road, New Braunfels, TX 78132

    $950,000
    1,472 sqft

    Duplex offering two 3-bedroom, 1-bath units, each with river-view living spaces and outdoor deck and covered patio areas.

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    Modern Duplex with Private Yards
    Modern Duplex with Private Yards

    402 JOANNE LOOP, Buda, TX 78610

    $490,000
    2,748 sqft 0.19 AC lot

    A 2018-built duplex offering two 3-bedroom units, each with garages and fenced backyards for flexible occupancy.

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    San Marcos, TX Duplexes Market Trends and Statistics

    Explore 12 duplexes for sale in San Marcos, TX, showcased through 12 active listings on our real estate platform. These investment opportunities span a total of 30,237 square feet of properties for sale, with an estimated market value of $4,709,080.

    Sale prices for duplexes in San Marcos, TX start at $324,900, averaging $428,098, and reaching up to $790,000 — 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

    Duplexes 17
    Apartment buildings 10
    Short term rental properties 4
    Quadplexes 2
    Mobile home & RV parks 1

    Demographics Overview

    Population 88K
    Population Growth (5Y) +10.7%
    Median Household Income $55,478
    College Educated 24.4%

    High-Yield Neighborhoods for Investment

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

    Neighborhood Average Price
    78666 $438.4K

    Taxes & Financing

    Tax Rate (average for all types) 1.76%
    Property Tax per SF $33.58 per SF
    Tax Rate vs County Average 0.03 pp above county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Hays County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

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

    Residential Income

    Property Size Breakdown

    The majority of commercial real estate listings in San Marcos fall within the 100,000+ square foot range.

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