Abstract: High population in urban areas has led to decrease land for farming and thus posing serious challenge of food insecurity in most urban areas. Number of urban residents have tried to practice various innovations and utilization of the available spaces within urban areas to grow crops for survival. This paper tries to investigate the production technologies practiced in Nairobi, Kenya and determine the participation status of urban farmers in the select production technologies. A snowball method was used to select a purposive random sample of 385 urban farmers participating in select production technologies within the four the selected areas of Mathare, Kibera, Roysambu and Kasarani.