San Marcos, TX 78666 (Hays County)
About this property
Fascinating and unique property in San Marcos could be all yours! 4 lots with 3 homes + efficiency apartment offers tons of potential and opportunity. Fourth lot has recently been cleared off further as well. Currently zoned SF6 (single family), but could request rezoning. In-ground pool needs some TLC and you'll have your own oasis. Main home offers a sprawling floor plan with 3 bedrooms, 2 full baths and multiple storage and flex areas. All three secondary units have had refreshed finishes and are all leased. Front deck of the main home offers stellar views. All units currently leased! Investor special with great rental and further development potential! Efficiency apartment leased month-to-month @ $895 - 1009 Hiilyer leased through 6/2026 @ $1,850 - 1001 Hillyer leased through 6/2026 @ $2,200 - 1000 Advance (main home) leased through 12/2025 @ $1,900.
Property details
Location
About the Area
1000 Advance #2 St is located in San Marcos, Texas, in Hays County. Hays County is one of the fastest-growing counties in the United States, driven by the explosive growth of San Marcos and Kyle-Buda corridor connecting Austin and San Antonio. The county blends Hill Country character in its western reaches, Wimberley, Dripping Springs, Driftwood, with rapidly urbanizing communities along the I-35 corridor.
The Blanco River and Barton Creek headwaters flow through Hays County, carving spring-fed swimming holes beloved by generations of Texans. Jacob's Well, a natural cylindrical karstic spring, and the swimming holes of Blue Hole Regional Park draw visitors year-round. The Edwards Plateau escarpment creates dramatic topographic relief in the western half of the county.
San Marcos had an estimated population of 68,920 as of 2023. The 78666 zip code has a median household income of $55,478, a median home value of $271,900, and a median age of 27. The average household size is 2.35 people.
Texas State University anchors San Marcos, supporting a significant education and healthcare sector. The I-35 corridor has attracted major distribution centers and manufacturing. The western Hill Country communities of Wimberley and Dripping Springs have become destination wine, dining, and retreat markets commanding premium real estate prices.
Demographic data sourced from the U.S. Census Bureau, American Community Survey 5-Year Estimates (2023).
Listing information © 2026 Unlock MLS (ACTRIS). All data provided AS IS. Information is deemed reliable but not guaranteed. Listing courtesy of Keller Williams Realty.