The answer to 'downspouts water stains' is that downspouts can cause water stains on the exterior of your home due to improper drainage or leaks. This is a common issue that can lead to further damage if not addressed.
Typical causes include clogged downspouts, damaged or disconnected downspouts, and improper downspout placement. Symptoms may include visible water stains, mold growth, and damage to siding or foundation. Solutions can range from simple DIY cleaning and repairs to more complex professional work like replacing downspouts or regrading the landscape for proper drainage.