Around me if you feel threatened by someones dog you can call the city or county to look in to it if needed. As for quiet hours that is usually a state/city or county thing. Typically it is something like 10pm to 6am Sunday through Thursday and 12am to 6am Fridays and Saturdays. If people are being stupid during those hours or their animals making too much noise you can call the cops for disturbing the peace. So check with a cop in your area as they should be able to give you specifics.