Round Rock, TX 78664 (Williamson County)
About this property
Rare opportunity to have multiple acres outside the city limits (in the ETJ), but right in the middle of everything. Property could potentially be used not just for residential but possibly some type commercial uses as well but buyer would need to confirm. This property is 3.33 acres (and more acreage could be available as well) and currently has a ~ 2400sqft home, horse pin, barn and pool. Currently 1 approved septic tank and on well. Look at options to build multiple houses on it or potentially a whole new development. The opportunities could be endless. Low tax rate. Buyer to verify building options and all information. Utilities are at Red Bud and maybe even some closer options to discuss. The Red Bud corridor is one of the most sought-after areas. It is close to toll 45 and toll 130, Highway 79, quick access to the airport, Samsung, Tesla, Dell, Kalahari, and so on. Call the listing agent for details.
Property details
Location
About the Area
15 Wildflower Trl is located in Round Rock, Texas, in Williamson County. Williamson County is the northern anchor of the Austin metro, encompassing Round Rock, Georgetown, Cedar Park, and Leander, communities that have experienced some of the fastest residential growth in the nation over the past decade. The county's western edge retains significant ranch and acreage character as the Hill Country transitions to the urban core.
The San Gabriel River flows through Georgetown and the northern reaches of the county. The terrain transitions from the limestone hills of the western county to the Blackland Prairie in the east. Stillhouse Hollow Lake on the Lampasas River sits on the Williamson-Bell county boundary, offering recreation within easy reach of the northern suburbs.
Round Rock had an estimated population of 124,288 as of 2023. The 78664 zip code has a median household income of $85,919, a median home value of $317,400, and a median age of 34.8. The average household size is 2.65 people.
Major employers include Dell Technologies (headquartered in Round Rock), Amazon, healthcare systems, and a massive retail and service sector supporting one of Texas's most affluent suburban populations. Georgetown consistently ranks among the fastest-growing cities in America, and the county's western acreage properties attract buyers seeking rural character with urban access.
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 Lone Star.