This paper clarifies the present conditions of crime prevention in private rental houses, compared with 'model apartment with anti-crime performance' in Osaka. The results are as follows; 1) When residences select their apartment, the priority of the anti-crime performance is low. 2) In private rental apartments, there is much damage including crime. And a lot of residences that have little communication are scared of crime in standard apartment.3) Single householder can't independently do activity to achieve anti-crime condition. Therefore rental apartment must be considered about crime prevention, since they plan the apartment, and it needs that expert in crime prevention advise them to improve their existent apartment.