Land is an important resource in any society because it provides food and shelter. It also harbours the waters which are essential of life. Proper plans for the use of land and its security of tenure ensure orderly development and equitable sharing. This study concerns the impact of land development projects on land justice for the urban farmers in Dar es Salaam city, the economic hub of Tanzania. It draws inferences from a small farmers' village located in the outskirts of the city named Mbweni Mpiji. The study investigates the impact of 20,000 Plots Delivery Project (PDP) on urban agriculture and farmers land justice in Dar es Salaam city. The study concludes that the increase in urban land development projects has a negative impact on urban agriculture and contributes to land injustices for urban farmers in Mbweni Mpiji. Similarly, the society's general perceptions of urban agriculture and farmers have resulted in the neglect urban agriculture in urban planning and the disregard of farmers in decision making process in Mbweni Mpiji.