Here is a short video on if you see neighborhood construction going on.......get your detector and ask for permission to search the area they are working on.
In a 1950's build area, some nice coins were dug from just the grounds that were distrubed from the construction.

Most neighborhood were part of a much larger acreage of someones property years before the home builders bought the land. The are might have some older coins and relic items lost from the original land owner years and years before.

Metal Detecting After New Water Mains