Based on research with current and former housing activists in São Paulo, this article identifies the concept of "politics of worthiness" as central to the moral justification and technical legitimation of social movements. Attributions of worthiness have long upheld the relationship between institutionalized grassroots organizations and the state but are equally present in everyday life and social distinctions among Brazil's popular classes. By examining contrasting constructions of worthiness among both present-day housing movements and residents of areas that are the product of past mobilizations, the article contends that collective experiences of mobilization in dialogue with myriad external influences produce diverse and often ambivalent political subjectivities. The politics of worthiness sheds light on how these actors organize themselves, experience participation, and square universalist demands with the contingent solidarities and changing social, institutional, and political realities that they inhabit. [Brazil, worthiness, subjectivity, housing, social movements, technomoral politics] R e s u m o Baseado em pesquisa com ativistas (atuais e pregressos) pela habitação na periferia de São Paulo, este artigo identifica o conceito de "política do merecimento" como central à justificação moral e legitimação técnica de movimentos sociais. Por muito tempo, atribuições de merecimento sustentaram a relação entre o estado e as organizações institucionalizadas de base, embora também estivessem inscritas na vida cotidiana e nas distinções sociais entre as classes populares brasileiras. Ao examinar construções