Abstract
This research investigates change of the supply number of houses of condominiums in the inside and outside of the Senri New Town in Osaka Prefecture. Although supply in the outside was most of all, after introduction of PFI (Private Financial Initiative), the supply in the inside of new town has been extending. It is in the state of the 'inside > outside' now. It can be said that Senri New Town as the oldest new town in Japan is also in a big change term.