Small-scale enterprises provide employment and development. The aim of this study seeks to assess the socio-economic impact of small-scale enterprises on residence of Numan Local Government Area of Adamawa state. The objectives of this study seeks to find the type of small scale enterprises found in the study area, to examine the adequacy of small-scale enterprises in the area, examine the factors affecting and examine the impact on the environment. Relevant literature was reviewed for this study. Closed ended questionnaires were administered to 100 entrepreneurs and those working in small scale enterprises of the selected types which include pure water, tailoring, bakery, furniture making and block enterprises in which interviews were conducted with a view of obtaining additional information. Data generated were analyzed using descriptive statistics and presented in the form of frequencies and tables. Findings from the studies revealed that small- scale enterprises help in boosting socio-economic growth, hence, help in reducing unemployment rate, poverty etc. The activities of small-scale enterprises also have some negative impact on the environment and the residence of Numan. The study therefore recommends that, there should be an increase in the technological and equipment-based enterprises, the use of modern machineries should be adopted so also Government should continue to provide direct subsidies to small-scale enterprises operators which will help them in accessing raw materials, granting of tax moratorium etc.