In Houston, sunroom costs typically range from around $21,000 to $63,000, though the final price depends on several factors. Size matters—a larger sunroom requires more materials and labor. The type you choose (three-season versus four-season) affects cost, as does the quality of glass, insulation, and whether you’re building on an existing foundation or starting from scratch. Custom features like upgraded windows, electrical work, or HVAC connections add to the investment. The best way to know what your specific project will cost is to get a detailed estimate based on your home and needs.