Postmedia News has been trying to figure out the owner of Canada's second most expensive house, at 4707 Belmont Ave. in Vancouver, for more than a decade. government promised to make it easy for the public to find the names of the beneficial owners of B.C. property owners. 's land ownership transparency registry has been "a good step." A well-functioning beneficial ownership registry wouldn't only help capture money launderers, said Cusimano.