This paper reports how one Non-profit organization collaborating with tenants and shopping center starts up and manages the community-based business for housing regeneration. The area includes Takasu-danchi and Takahama-danchi developed in 1970s. The non-profit organization made the business model of low price house reform method and shopping support for aged people. Low price reform consists of DIY reform and tenant participation. Shopping support is to carry the commodity bought by aged people to their home. Through the management of this business, it is clear that these methods are useful for housing regeneration.