San Marcos, TX 78666 (Hays County)
About this property
BACK ON MARKET!!! Buyer financing fell through! Set on a beautifully treed 1.06-acre homesite, 905 Mountain Drive in San Marcos, Texas offers refined Hill Country living with space, privacy, and versatility. This thoughtfully designed residence features 3 bedrooms, 2.5 baths, and a dedicated office, providing flexibility for remote work, guests, or creative pursuits. The interior offers a comfortable yet upscale feel, with generous living areas that flow seamlessly for everyday living and entertaining. Step outside to discover a property designed for both enjoyment and functionality. A private backyard gazebo creates an inviting setting for outdoor gatherings or quiet evenings, while the workshop and separate storage building offer exceptional space for hobbies, equipment, or future customization—an increasingly rare amenity in this area. Located in the desirable San Marcos community, residents enjoy a unique blend of natural beauty and modern convenience. Known for the spring-fed San Marcos River, scenic parks, and extensive trail system, the area offers an active outdoor lifestyle alongside a vibrant cultural scene anchored by Texas State University. With easy access to both Austin and San Antonio, San Marcos provides an ideal balance of small-town charm and big-city connectivity. This property presents a rare opportunity to own an acreage homesite with luxury appeal, versatile outbuildings, and a prime Central Texas location.
Property details
Location
About the Area
905 Mountain Dr 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 Keller Williams Realty.