Castleridge 28 Richmond St, New Westminster, BC V3L 5P9, Canada NWS3160. Castleridge is located on Richmond Street and Columbia Street in a convenient neighbourhood of New Westminster. Built in 1990, Castleridge has 3 levels and contains 34 homes. Castleridge has undergone renovations including a new roof in 2006 and a stone fence in 2009. Castleridge is located near Glenbrook Ravine Park, Dublin Castle Irish Sports Grill, M&M Meat Shops, Peopleâs Drug Mart, and Holland Shopping Centre. Transit and major routes are within walking distance. Features of Castleridge include in suite laundry, and wheelchair access.