The answer to 'why is my upholstery water damage' is that there are several common causes, including spills, leaks, flooding, and high humidity. Symptoms can include staining, mold growth, and a musty odor. The solution depends on the severity of the damage, but it's important to act quickly to prevent further issues.
For minor water damage, you may be able to handle it yourself with proper drying, cleaning, and disinfecting techniques. However, for more extensive damage or if mold is present, it's best to call in a professional upholstery cleaning service. They have the expertise and equipment to properly assess the damage, extract water, and restore your upholstery to its original condition.