This paper proposes a tool integrating a Digital Product Passport (DPP) system with a BIM library plugin to support modular construction and circularity. DPPs store essential product data, including history, technical characteristics, environmental impact, and reuse potential, structured using Product Data Template standards compatible with BIM. The platform allows designers to access reusable products’ DPPs via the BIM library and import this data into their BIM models. By addressing lifecycle information gaps, this system enhances sustainable decision-making, reduces waste, and leverages modular construction’s strengths in disassembly, recovery, and reuse to promote sustainability and a circular economy in the construction industry.