San Marcos, TX 78666 (Hays County)
About this property
Beautiful 8.428 acres backing to Blanco River. NOTE: Blanco River (app. 657 river frontage is currently not flowing due to on-going drought). Close-in, quiet, gated Neighborhood. EZ access to IH 35, Kyle, Austin, New Braunsfels, San Marcos & San Antonio. Equestrian friendly. Only vacant Riverfront lot remaining for new home. Many custom high-end homes. Property already has a water well (not currently in use, Buyer to test for usage). Electricity available at street. Lot has been cleared of excess dead trees. Lots of mature native Texas trees. Partially in FEMA Flood Plain. Buyer to verify location of Flood Plain. Plenty of buildable area for home, guest home, barns, stables, etc.
Property details
Location
About the Area
420 Blanco River Ranch Blvd 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 Prestige Realty.