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    San Marcos, TX
    Duplex

    San Marcos, TX Duplexes for Sale

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    12-Unit Multifamily Property
    Updated: Feb 20
    12-Unit Multifamily Property

    540-566 Crest Circle Drive, San Marcos, TX 78666

    $1,800,000
    11,136 sqft 5.19 AC lot
    12 units with a consistent 2BR/2BA configuration
    11,136 square feet on 5.19 acres
    Twelve contiguous units span three adjacent parcels
    Built in 2012 with brick and HardiplankType construction
    Heat pump heating and cooling; aerobic septic service
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    Two-Unit Duplex with Private Garages
    Updated: Sep 11
    Two-Unit Duplex with Private Garages

    San Marcos, TX 78666

    $399,000
    3,144 sqft 0.17 AC lot
    Two matching 3‑bedroom, 2.5‑bath two‑story units
    3,144 square feet on a 0.1697‑acre lot
    Each unit includes a private 2‑car garage
    Approximately 1 mile from Texas State University
    Fresh interior paint and laminate flooring throughout
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    Mixed-Use Property Near Campus
    Mixed-Use Property Near Campus

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

    $790,000
    5,295 sqft 0.41 AC lot

    Two adjoining properties combine MU-zoned commercial space with two multifamily rental units near campus and downtown.

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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
    5,295 sqft

    Two adjoining properties near Texas State University and Historic Downtown.

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    Leased Duplex with Garages
    Leased Duplex with Garages

    862-864 Sagewood Trail, San Marcos, TX 78666

    $419,900
    2,746 sqft 0.15 AC lot

    Two fully occupied residences feature updated finishes, private fenced yards, and convenient access to the Texas State Shuttle route.

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    Updated Duplex with Two Units
    Updated Duplex with Two Units

    1103 Hillyer Street, San Marcos, TX 78666

    $324,900
    1,760 sqft 0.23 AC lot

    Two-bedroom residences offer flexibility for rental income or owner occupancy in San Marcos.

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    Renovated Duplex with Private Yards
    Renovated Duplex with Private Yards

    1005/1007 Haynes Street, San Marcos, TX 78666

    $350,280
    1,273 sqft 0.28 AC lot

    Updated two-unit property with fenced outdoor space, off-street parking, and proximity to the San Marcos River.

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    Renovated Duplex with Fenced Yards
    Renovated Duplex with Fenced Yards

    1101/1103 Haynes Street, San Marcos, TX 78666

    $366,300
    1,473 sqft

    Updated interiors and exteriors complement fenced backyards and off-street parking at each unit.

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    Renovated Duplex with Fenced Yards
    Renovated Duplex with Fenced Yards

    1101/1103 Haynes Street, San Marcos, TX 78666

    $366,300
    1,473 sqft 0.29 AC lot

    Updated property with off-street parking, outdoor storage, and central air conditioning.

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    Renovated Duplex with Fenced Yards
    Renovated Duplex with Fenced Yards

    1006/1008 Haynes Street, San Marcos, TX 78666

    $354,690
    1,200 sqft 0.28 AC lot

    Two-unit property with updated interiors, private outdoor space, and off-street parking.

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    Renovated Duplex with Fenced Yard
    Renovated Duplex with Fenced Yard

    1006/1008 Haynes Street #7, San Marcos, TX 78666

    $354,690
    1,200 sqft

    Recent interior and exterior updates, a storage building, and off-street parking complement the fenced outdoor space.

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    Renovated Duplex with Fenced Yard
    Renovated Duplex with Fenced Yard

    1005/1007 Haynes Street #7, San Marcos, TX 78666

    $350,280
    1,273 sqft

    Updated interiors and exterior, private outdoor space, and off-street parking serve the property’s two residences.

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    Two-Unit Duplex with Attached Garages
    Two-Unit Duplex with Attached Garages

    921-923 Sagewood Trl, San Marcos, TX 78666

    $375,000
    3,144 sqft

    One residence is occupied; the second is vacant and can be prepared for leasing or owner use.

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    Updated Side-by-Side Duplex
    Updated Side-by-Side Duplex

    903-905 Hillyer St, San Marcos, TX 78666

    $400,000
    2,575 sqft

    Two remodeled units offer separate utilities, central HVAC, laundry hookups, and a fully fenced backyard.

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    Two-Unit Duplex with Garages
    Two-Unit Duplex with Garages

    San Marcos, TX 78666

    $399,000
    3,144 sqft

    Fresh finishes, private outdoor areas, and proximity to Texas State University enhance the property’s rental configuration.

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    Updated Duplex with Two Units
    Updated Duplex with Two Units

    Ab-1103 Hillyer Street, San Marcos, TX 78666

    $324,900
    1,760 sqft

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

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    Updated Duplex with Two Units
    Updated Duplex with Two Units

    1103 Hillyer St, San Marcos, TX 78666

    $324,900
    1,760 sqft

    Two-bedroom units with recent renovations, separate living spaces, and one unit currently available for rent.

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    2-Unit Duplex
    2-Unit Duplex

    612 Mill Street A & B, San Marcos, TX 78666

    $235,000
    2,000 sqft

    One residence is vacant, while the other is leased through July 2028.

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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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    Two-Unit Duplex Near University
    Two-Unit Duplex Near University

    612 Mill St #A & B, San Marcos, TX 78666

    $235,000
    2,000 sqft

    Two matching residences combine private outdoor space with one vacant unit and one currently leased.

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    Leased Duplex with Attached Garages
    Leased Duplex with Attached Garages

    862-864 Sagewood TRL, San Marcos, TX 78666

    $419,900

    Fully leased duplex with updated interiors, stainless steel appliances, and private fenced backyards.

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    21 active listings match your search: Duplex for sale in San Marcos, TX.

    San Marcos, TX Duplexes Market Trends and Statistics

    Explore 21 duplexes for sale in San Marcos, TX, showcased through 21 active listings on our real estate platform. These investment opportunities span a total of 64,787 square feet of properties for sale, with an estimated market value of $9,380,040.

    Sale prices for two-family homes in San Marcos, TX start at $235,000, averaging $469,002, and reaching up to $1,800,000 — 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 26
    Quadplexes 9
    Apartment buildings 7
    Mobile home & RV parks 3
    Short term rental properties 3

    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 $482.4K

    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

    Office

    Residential Income

    Property Size Breakdown

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

    How Realmo verifies these figures

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    Featured San Marcos Real Estate Agencies

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

    COLDWELL BANKER FIRST NATIONAL
    1224 HWY 123 San Marcos, TX
    Phone: (512) 353-5171
    McNabb & Company Real Estate Services
    1920 Corporate Drive San Marcos, TX
    Phone: (512) 667-9129
    VANCE J. ELLIOTT
    1504 Aquarena Springs#204 San Marcos, TX
    Phone: (512) 353-3002
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