You boost ownership by making it infeasible to be a landlord… You tax the fuck out of residential property ownership that is not your primary residence. If you own a home you don’t live in, 1% tax on the total value of the home, every year… And that tax rate increases at 2x the rate of inflation, every year. Within a decade or two, the housing market gets fixed as each individual owner determines that their ‘income property’ isn’t profitable anymore.