Technology Help needed - Which tool to use

We are looking to find Storage Facilities from Google Maps. Storage Facilities have a very unique shape. They are long and most of the time are situated across from each other. 1 - We are looking for a tool that allows us to search a certain area in google maps but also shows us which area we have already covered 2 - If there is a tool that allows to identify long buildings from the map, we would pay an extra $100 Please watch this explainer video [login to view URL]