San Marcos, TX 78666 (Hays County)
About this property
Ever wish you could enjoy peaceful Hill Country living without being too far from the city? Discover 504 & 506 Oak Grove—a rare opportunity just 20 minutes from grocery stores and downtown San Marcos, offering convenient access to shopping and restaurants, 30 minutes to Kyle, about 45 minutes to Austin-Bergstrom International Airport, and roughly 1 hour from San Antonio International Airport. Surrounded by rolling hills and abundant wildlife, this property offers privacy, flexibility, and endless potential—ideal for a hunter’s retreat, weekend escape, or the perfect setting to build your dream home. 504 Oak Grove sits at the top of the hill, offering elevated views, while 506 Oak Grove features a guest home with its own separate address. The property includes two storage containers, one equipped with a full water filtration system, water reserve tank, water softener, and updated piping completed in 2026. Car enthusiasts will appreciate the dedicated shop featuring a car lift and air compressor, along with two carports—one for each home. Enter through the private driveway and you’ll find 506 Oak Grove located to the left. The guest home is a manufactured home with plumbing and electrical already in place. Adding to the value and versatility, the survey has been subdivided for potential future sale or lease of the land. The homes share a driveway and well, while each benefits from its own separate septic system. The home has been staged and is available for purchase as is. With a rarely seen price per acre in this area, this Hill Country gem is a unique opportunity ready for its next owner.
Property details
Location
About the Area
506 Oak Grove Rd 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 Realty Texas LLC.