New to posting but in the business for 22 yrs. May not work in some areas but wanted to pass along something that we do for those few owners that leave their yards full of poop. (from not cleaning up after their dogs not the occasional drop and run from a neighborhood stray .)
We run a tire down the sidewalk to their door as soon as we're unlucky enough to roll through a pile. Looks innocent enough and something about stepping over it seems to get them thinking.
Never have had anyone say a word and usually after a few times they do start picking it up. (at least in areas close to their sidewalk http://www.lawnsite.com/images/smilies/smile.gif