Dripping Springs, TX 78620 (Hays County)
About this property
Welcome to 520 Goodnight Trail, an outstanding custom estate that perfectly bridges luxury living with absolute infrastructure resilience. Tucked away on a pristine, level 1-acre lot enveloped by mature oaks, this single-story architectural masterpiece offers unmatched privacy just one mile from the heart of Dripping Springs. The expansive floor plan effortlessly accommodates 4 spacious bedrooms and 4 full bathrooms, anchored by a gourmet chef's kitchen featuring a center preparation island, high-end stainless steel appliances, and a seamless flow for entertaining. While the interior exudes classic Hill Country charm, the exterior infrastructure elevates this property into a one of a kind gem. Escape utility volatility completely with a fully integrated Sustainable Energy & Water Ecosystem. The home is outfitted with a premium solar array paired with a massive 3-Tesla Powerwall battery backup system, capable of running the entire household—including central HVAC systems—independently during grid interruptions. Water independence is achieved through a massive 20,000-gallon whole-house rainwater harvesting system, complete with multi-stage commercial UV filtration.The backyard transforms into a private resort, showcasing a pristine, low-maintenance saltwater swimming pool flanked by an extended concrete deck, and native landscaping. Future expansion is effortlessly pre-engineered: the property features an oversized, heavy-capacity septic system explicitly designed to support a future Accessory Dwelling Unit (ADU), guest house, or detached professional studio without requiring county upgrades. Live off-grid, completely protected, without sacrificing the convenience of town. Truly a rare find that cannot be replicated at this price point.
Property details
Location
About the Area
520 Goodnight Trl is located in Dripping Springs, 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.
Dripping Springs had an estimated population of 6,322 as of 2023. The 78620 zip code has a median household income of $146,551, a median home value of $624,800, and a median age of 42.7. The average household size is 2.73 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 Keller Williams Realty.