San Marcos, TX Residential Income Properties for Sale

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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

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Updated: Feb 20

San Marcos Multifamily Investment Opportunity

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

$1,800,000

11,136 sqft 5.19 AC lot

Rare opportunity: acquire 12 units in a single transaction in a high‑demand Central Texas market.
Units feature a 2BR/2BA configuration, simplifying management.
Located in San Marcos, at the nexus of the I‑35 corridor between Austin and San Antonio.
Proven income growth since 2022, with significant rental upside.
Priced below replacement cost at $150,000 per door.

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Unrestricted Office Units on Highway Site

16870 N Highway 123, San Marcos, TX 78666

$550,000

2,000 sqft 0.43 AC lot

Unrestricted office units on Highway 123 with a separate storage building, parking lot, and an existing MH/RV hookup area behind the main structure.

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Twelve-Unit Apartment Building

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

$1,800,000

11,136 sqft 5.19 AC lot

Twelve units share the same 2BR/2BA layout, supporting streamlined management and consistent tenant design.

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Well-Maintained Quadplex Investment

801 Bracewood Cir, San Marcos, TX 78666

$500,000

3,228 sqft 0.21 AC lot

A built-1983 quadplex with four 2-bedroom, 1-bath units and an income-producing residential layout.

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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 with zoning MU, built in 2010, offering a commercial building and two residential rental units.

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Live-Work Space with Carport

512 Valley Street, San Marcos, TX 78666

$250,000

1,604 sqft 0.29 AC lot

Mixed use zoning live-work property with public water and sewer, window AC, and a carport on a 0.287-acre lot.

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Land Near Texas State University

175 Eastwood Ln, San Marcos, TX 78666

$5,999,000

37 sqft 37.00 AC lot

Land near university and planned developments, ideal for multifamily housing.

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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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Quadplex with In-Ground Pool

1000 Advance Street, San Marcos, TX 78666

$939,000

5,548 sqft 1.21 AC lot

Four lots with three homes plus an efficiency apartment, all currently leased, on a private in-ground pool site.

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Hill Country Ranch Event Retreat

1218 Oakwood Loop, San Marcos, TX 78666

$2,500,000

2,300 sqft 24.00 AC lot

A hand-built log cabin ranch with chapel and outdoor event spaces, supported by on-site amenities for guests and horses.

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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

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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San Marcos Multifamily Investment Opportunity

1000 Advance St, San Marcos, TX 78666

$964,000

1.21 AC lot

Unique multifamily property with development potential in San Marcos, Texas.

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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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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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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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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

540566 Crest Circle Dr, San Marcos, TX 78666

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11,136 sqft

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

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14-Unit Apartment Building

1321 Harris Hill Rd, San Marcos, TX 78666

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10,760 sqft

Fourteen rental units in an ETJ area with the San Marcos city limits on the rear property line.

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Historic Colonial Multifamily Investment

527 W San Antonio St, San Marcos, TX 78666

$2,000,000

0.49 AC lot

Unique 8-unit historic mansion in San Marcos' historic district.

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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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San Marcos Multifamily Investment Opportunity

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

$1,800,000

Rare 12-unit portfolio in high-demand Texas market.

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Multifamily Apartment Building

1321 Harris Hill Rd, San Marcos, TX 78666

$1,349,000

14-unit multifamily property with recent 2022–2023 improvements and current operating income.

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San Marcos, TX Residential Income Properties Market Trends and Statistics

Explore 66 residential income properties for sale in San Marcos, TX, showcased through 26 active listings on our real estate platform. These investment opportunities span a total of 76,226 square feet of properties for sale, with an estimated market value of $25,410,080.

Sale prices for residential income properties in San Marcos, TX start at $250,000, averaging $1,104,786, and reaching up to $5,999,000 — 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

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	$1.1M

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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