Do you think this is a random letter that was sent to all dog owners inthe neightborhood, and maybe not addressing your dogs specifically? I wonder beucase of the intro "Dear Dog owner" Send back a letter to all those with out dogs..."dear dog hater...my dogs don't bark. Reasrch who your are complaing to and leave the rest of us alone" I wouldn't worry too much yet. Just make sure your dogs don't get obnoxious