The importance of integrating services with housing to help low-income families achieve stability is gaining recognition. The variations in types of existing housing and service initiatives have produced a complex language with multiple meanings and overlapping definitions. The National Low Income Housing Coalition proposes the umbrella term 'housing plus services" to refer to these programs. Following a review of the literature on the relationship of housing to child well-being, the article discusses and illustrates the National Low Income Housing Coalition's principles for and typology of housing plus services.