Attachment has been shown to play a significant role in adult romantic relationships, and there is substantial evidence supporting the use of attachment-based interventions with couples. Prevailing conceptualizations of dyadic functioning often incorporate biological and psychological factors, such as attachment, but often limit their scope of social factors to the dyad itself. Such conceptualizations do not attend to the relationship between couples and their wider community. Awareness of social and community values is much more common in individual therapy but has not been integrated into couple's work. In this article, we propose a biopsychosocial foundation for viewing the relationship between couples and their wider community through the lens of attachment, in which securely attached couples are more likely to have community interest congruence and insecurely attached couples are more likely to experience incongruence. Translating this theoretical foundation into practice, we also propose a stepwise approach for integrating community interest work into the established framework of emotionally focused therapy with couples.