You wouldn't believe some of the things we have pulled out of dirty rain gutters. Besides dead leaves and branches, we've removed tennis balls, birds' nests, large growing plants (roots and all), broken tiles and other roofing material, and ash from wildfires. It's important to have your gutters cleaned regularly to prevent damage to your home.
Repairs that are put off can eventually lead to larger problems, such as water damage to your facia boards, stucco or foundation. Neglected rain gutters may eventually cause mold, wood rot or foundation problems.