If you are looking for a home in Japan, go to Japan Home Search. They provide service in English along with great apartments in desirable locations. The Japan Home Search website is a comprehensive property search engine where you will be able to browse, apartments, houses and mansion apartments for rent and make contact with an agent. You can also sign up to receive an alert if any new properties are listed which meet your search criteria. Agents are prompt in answering all enquiries, and will strive to find properties that meet the needs of you and your family.
Japan Home Search is part of The H&R Group. The H&R Group complete coordination of all aspects of your relocation to Japan. They are there to support not only the assignees and their families, but also the companies which they work for.