Many options available. At the “ownership” level, you can establish deed restrictions and covenants requiring owner-occupancy. At the local level, you can establish zoning requirements. At the tax assessment level, you can enact punitively-high tax rates that are exempted for owner-occupants. If anyone tries renting these properties, they will face the full tax rate; these properties can only be feasibly owned by people who will occupy them.
Many options available. At the “ownership” level, you can establish deed restrictions and covenants requiring owner-occupancy. At the local level, you can establish zoning requirements. At the tax assessment level, you can enact punitively-high tax rates that are exempted for owner-occupants. If anyone tries renting these properties, they will face the full tax rate; these properties can only be feasibly owned by people who will occupy them.