The facility Directory has listings of residential facilities throughout the country. Their are listings for every state including the District of Columbia. Listings include: Children's Home, Group Homes, Treatment Centers, Boarding Schools, Maternity Homes, etc.
Directory of State Government Agencies. They should be able to help you with any particular questions you might have for your State. They should also be able to direct you to facilities in your State. As well as be able to give you information on starting your own facility or becoming a Foster Parent. If you find information to be wrong, Please contact me so that I can correct it.