Round Mountain, TX 78663 (Blanco County)
About this property
On top of the ridge at RanchesAt Big Mountain, Lot 16 is an under-construction Hill Country showcase estate positioned on 12.45 private acres with rare 360-degree views stretching toward Packsaddle Mountain, Lake LBJ, Marble Falls, and the surrounding Hill Country. Carefully positioned and designed to take full advantage of its ridge-top setting, the 6,088-square-foot residence is being built by Keith Wing for luxury ranch living and large-scale entertaining. The home features 5 bedrooms, 5 full baths, 1 half bath, expansive indoor-outdoor living, a resort-style pool, screened outdoor living area, game room, study, and loft. The homesite offers privacy, native landscape, and long-distance views from one of the community’s premier ridge-top settings. RanchesAt Big Mountain is a private gated luxury acreage community spanning approximately 401 acres with only 27 homesites, offering the space and privacy of ranch ownership with the ease of gated access, private roads, underground utilities, and a cohesive community setting. Wildlife is present throughout the ranch, including blackbuck, Arabian oryx, fallow deer, and native whitetail. Lot 16 is part of the RanchesAt Reserve Collection, a limited offering of available showcase homes selected for their visibility, setting, and role in shaping the community’s architectural tone.
Property details
Location
About the Area
3531 RM-3347 None is located in Round Mountain, Texas, in Blanco County. Blanco County is one of the most scenic and sought-after counties in the Texas Hill Country, home to the charming town of Blanco and the world-famous Willow City Loop, a winding road through private ranch land that draws thousands of visitors during bluebonnet season each spring.
The Blanco River originates in Kendall County and flows through the heart of Blanco County, feeding spring-fed swimming holes and limestone-banked swimming areas. The Pedernales River also flows through the eastern portion of the county. Rolling hills, granite outcroppings, and post oak savannas define the landscape.
Round Mountain had an estimated population of 95 as of 2023. The 78663 zip code has a median household income of $156,829, and a median age of 59.8. The average household size is 1.93 people.
Lavender farming, vineyards, agritourism, and ranching define Blanco County's agricultural identity. The county has become a destination for weekend visitors from Austin and San Antonio, supporting a growing hospitality and short-term rental economy alongside traditional ranch operations.
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 Compass RE Texas, LLC.