Boomer:

that neighbors-policing-neighbors can lead to bad vibes! But, you know, I've never seen nor heard of any difficulties in this regard. We all know that in TV everyone is pleasant and nice! (Or so I'm told

)
Very visible violations (to me, that means pink flamingoes in the front yard) are addressed by the Community Watch guys. I know, because when I first came here, I put one of my garden-statue owls out near my fairly tall ligustrum bushes. After a week or so, there was a notice on my door: "No, no owl."
I moved it back onto my porch, along with two others. They've all been there better than 4 years now with no peep from anyone. The difference was all of 10-12 feet, but I went from "the yard" to "the house" and now I am in compliance!
SWR