San Marcos, TX 78666 (Hays County)
About this property
A Modern Hill Country Retreat on 5 Lush Acres Thoughtfully designed by Matt Bachardy Designs, landscaped by Robert Leeper Landscapes, and masterfully built by Oliver Custom Homes, this striking modern estate redefines sustainable luxury in the Texas Hill Country. Tucked away on a private, tree-dotted 5-acre lot, the home showcases an asymmetric floorplan, stunning architectural lines, and exceptional attention to detail. Crafted with energy efficiency in mind, the home features 2x6 framing with spray foam insulation, underground utilities, a standing seam metal roof, and tankless water heaters. A deep 950-ft water well taps into the lowest aquifer, supported by a 2,500-gallon cistern, whole-house filtration system, UV sanitizer, and reverse osmosis drinking water—providing true off-grid comfort with high-end performance. Inside, the expansive layout is bathed in natural light through large windows, highlighting polished concrete floors and high ceilings. The kitchen is a chef’s dream, outfitted with commercial-grade Sub-Zero and Wolf appliances, sleek blue pearl countertops, custom cabinetry and two sinks. Adjacent the kitchen is an outdoor cooking island with built-in grill and sink. The spa-like primary suite is a tranquil haven with serene views and an oversized walk-in shower with patio door. Off the primary bath, one could add a cold plunge or sauna for the ultimate wellness retreat. A detached studio/ bedroom with a Murphy bed offers a flexible space for music, guests, or creative pursuits. Additional features include outdoor hydrants that are drainable for winter use. This property is ideally located just minutes from both Wimberley and San Marcos—giving you the perfect blend of seclusion and convenience. Families have choice for Wimberley or San Marcos ISD. Ask agent for full list of improvements.
Property details
Location
About the Area
110 Purgatory Pass 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 Kuper Sotheby's Int'l Realty.