Numerous cities around the globe have adopted tactical urbanism interventions within their planning departments. Tactical urbanism is attractive due to its low-risk, short-term, and low-cost urban design interventions of a community’s built and natural environments. Planning departments are often the catalysts of tactical urbanism. For example, the City of Seattle has recently started a tactical urbanism program, with 24 projects completed or planned. As the movement gains momentum, the role of participatory planning is questioned: should city officials be solely responsible for urban design or should communities also have an active role? This paper explores the relationship between tactical urbanism and social capital from a health-oriented perspective and critically analyzes it as a contributor to urban hegemony. Tactical urbanism’s manipulation of a community’s microenvironment has physical, mental, and social health implications; social health will be the focus of this analysis as