This research examines the adoption of Lean Construction Management (LCM) principles in minimizing construction waste and enhancing project delivery in Lagos, Nigeria. A quantitative research approach was employed, utilizing a structured questionnaire to collect data from 166 construction professionals. The study achieved a response rate of 44.74%. The findings reveal a generally high level of awareness of lean construction principles among respondents, with 30.1% reporting very high awareness. The study identified four main categories of construction waste: Operational, Handling, Procurement, and Culture, with Operational waste accounting for 88.755% of the variance. Benefits of lean construction adoption include increased productivity, waste elimination, and optimized resource utilization, with productivity improvement accounting for 85.701% of the variance in perceived benefits. The research also highlights effective strategies for promoting lean construction, with training and development emerging as the most crucial factor, accounting for 82.039% of the variance. This study positions lean principles as transformative for sustainable construction practices, ultimately contributing to more efficient project delivery and reduced environmental impact.