3603 E Saint Francis Avenue Rare opportunity on nearly 5 acres in the heart of the RGV's fastest-growing corridor. This expansive two-story estate offers over 4, 000 sq ft of living space featuring a new roof, updated kitchen, and improvements throughout - plus a large metal workshop, covered garage, and ample parking for multiple vehicles; all set on a wide open canvas ready for your vision. Situated at the intersection of N Shary Rd and 4 Mile Line in Alton, the property is surrounded by rapidly expanding residential development, making it a compelling hold for those with an eye on long-term land value. Inside, 5 bedrooms and 5 baths provide generous space across multiple living and dining areas, with a covered outdoor entertaining area overlooking the grounds. Whether you're looking for privacy, room to grow, or a strategic land investment near major McAllen amenities, this property delivers!