This study assessed effect of tax administration on revenue generation capacity of selected Local Government areas of Kaduna state from (2013-2017). The local government areas in Kaduna State have been struggling to fulfill their obligations to their citizens due to the decline in revenue generation capacity. The continuing fall of the crude oil prices in the world oil market resulted in declining revenue generation for the Nigerian government on one hand and constant demand for increment in the infrastructural developments on the other hand. Local governments are faced with myraid of challenges among other things to source for adequate revenue from the federal government, state government and internally generated revenue. These problems are paramount to the smooth running of local governments in Nigeria especially Kaduna state. The objectives of this study are to: examine the relationship between quality personnel and revenue generation capacity in local government areas of Kaduna state, determine the relationship between effective application of Information and Communication Technology and Revenue Generation Capacity and assess the relationship between effective implementation of Tax Laws and Revenue Generation Capacity of local government areas of Kaduna State. The researcher used both primary and secondary methods of data collection to generate the needed data. The data obtained were analyzed using Karl Pearson Product Moment statistical techniques (SPSS Version 23.0).The study finds that: there is a significant relationship between quality personnel, enforcement of tax laws and effective ICT application on revenue generation capacity among local government areas of Kaduna State. Thus, the study recommended, among others that, authorities should embark on more personnel training and development programmes in local government areas of the state, so as to have qualified and competent personnel to fit in the use of modern technology on how to generate revenue through taxation. The quality and efficiency of tax workers should be improved so that more effective administration will be achieved and automation of the system. The study also recommended that, Tax/revenue generation laws should be properly and strictly enforced. Revenue Courts and other related agencies should be restructured to ensure that related cases of tax/revenue default are properly and effectively dealt with in order to promote compliance.