http://www.BerkeleyGutters.com "Berkeley Gutters,Berkeley Gutter Cleaning,Berkeley Gutter Cleaners,Cleaning Gutters in Berkeley, Berkeley Raingutters,Berkeley Seamless Gutters,Berkeley Gutter Repair, Berkeley Gutter Companies" There are gutters that needs maintenance and cleaning at a minimum such as once in a year depending on the type of gutter. But in general, having trees around a property would mean a more frequent cleaning is needed.