Emerald PlCity of Armadale » Mount RichonDo you (or did you) live on Emerald Pl in Mount Richon, WA? How has Emerald Pl changed over the years? What was Emerald Pl like in the early days? Who were the original residents of Emerald Pl? Ask a question or tell your story below... April 17, 2017 by PerthMETRO.net zoom out · satellite view · hybrid (zoom out) Rate this street If you would like to be a custodian/moderator of Emerald Pl, please contact us.