While scouting, watch for wetlands (streams, marshes, swamps) due to the buffer required under the Critical area ordinance: link HERE
My friend, Darren Nienaber, is the assistant city attorney for the city of Olympia and is an expert on land use (he cowrote two amendments to the Growth Management Act). Any environmental question? Shoot me a email at email@example.com
and I'll ask Darren.