Try siding. The dumpster is for siding. Get a hobby.

So the Bridgeport, Ct Neighbor- you're a little late to the game. Rather than driving around in your car "assuming" you know what's taking place, why not use your little fingers and dial a phone and ask. More specifically, why not contact the Building Department - don't have the number? Allow me to provide it it for you 203-576-7225
You refer to yourself as a "Neighbor" more like a nosey one.

Sue, I'm still chuckling over "new roof". I wonder if this is the same ninny who reported the tiger lillies and roses. They have the same acute detective skills.

Administrative Specialist-Tamar Morales assigned this issue to Building Official 3-Saturno

If Nosey Neighbor called the Building Dept (and someone actually answers) they could inquire as to "all" of your construction and Building could inform Nosey that they have been out to your home and have spoken with the company doing the work. Nosey needs a job.

He also reports interior work. Wow! Now how would she/he see inside your home being everything is up a level. Did Bridgeport,CT Nosey Neighbor trespass? That is crime incase Nosey Neighbor was unaware. However, those who post Anonymous or with a fictitious name are just cowards.

Sue, they're just spitballing in any event. They mentioned the dumpster. Only stuff in it is siding. No roofing material or whatever. Not even sure where the roof thing came from. For a guy who keeps such a close eye on the goings on around here, how does he imagine he missed dudes putting up a new roof? He think we had it done in one night under the cover of darkness? Must not be as observant as he likes to think he is.

Well you don't need a permit for siding, nor windows or a roof. So Nosey Neighbor I really do not believe is harassing you based on that. I firmly believe he is bent out of shape secondary to your outside decor. Is this true Nosey Neighbor?

This thought has occured to me, yes. But I would truly hate to think that's the motive. Much more palatable to believe someone is bored and needs a hobby or some friends instead of busying themselves by being a self appointed city Inspector