1103 Hillyer Street A/B Investment Opportunity - Updated Duplex in a Quiet San Marcos Location. Don't miss this hidden gem in San Marcos, conveniently located near Wonder World Park. This well-maintained duplex features two 2-bedroom, 1-bath units, making it an excellent investment or owner-occupant opportunity. Situated on a private driveway in a quiet, secluded setting, the property has seen numerous recent updates, including a new roof (2025), new exterior paint (2025), and no carpet throughout for easy maintenance. Unit B was extensively remodeled in 2025 and features include Wood-look flooring throughout, Granite kitchen countertops, Updated fixtures, and Fresh interior paint. Unit A is currently available for rent at $1, 350 per month, offering immediate income potential or the perfect opportunity for an owner to occupy one unit while renting the other. This unit also features fresh interior paint, wood-look flooring and a welcoming front deck. Whether you're looking to expand your investment portfolio or purchase a home with rental income potential, this move-in-ready duplex offers flexibility, recent updates, and a desirable location in San Marcos. Also next door there duplex lot available for sale.