This rare side-by-side duplex at 903-905 Hillyer St offers an outstanding opportunity for investors or owner-occupants in one of San Marcos' most convenient and desirable neighborhoods. Both units have been beautifully updated with full remodels completed within the last 3 years, including a new roof installed in 2026, new gutters, fresh exterior and interior paint, and modern finishes throughout. The property consists of two 3-bedroom, 2-bathroom units with a large, fully fenced backyard. Unit 905 is currently vacant and move-in ready, allowing a buyer to live in one side immediately while collecting income from the other. Unit 903 is leased through April 30, 2027, providing immediate cash flow and long-term stability. Each unit features open living areas with laminate hardwood-style flooring, updated functional kitchens with pantry space, and full-size washer/dryer connections. The layouts are practical and comfortable, with central HVAC systems and separate utility meters for easy management. The generous backyard offers privacy and plenty of room for pets, entertaining, or outdoor enjoyment, while off-street parking accommodates multiple vehicles. Located less than a mile from Texas State University, this duplex is within walking or biking distance to campus, downtown San Marcos, the San Marcos River, and nearby parks. Residents enjoy quick access to excellent schools, shopping, dining, and outdoor recreation, with commutes of about 15 minutes to New Braunfels and 25 minutes to Austin. Strong rental demand from students, professionals, and families makes this a proven performer with excellent income potential. Whether you're looking to house-hack, generate reliable rental income, or accommodate multi-generational living, this turnkey duplex delivers versatility, modern updates, and strong value in a high-demand market. Don't miss this hard-to-find opportunity in San Marcos. Schedule your showing today to experience the property and location firsthand.