This study was conducted to investigate the provision and use of information resources and services in Libraries for legislation in Houses of Assemblyof North Central States of Nigeria. To accomplish the objectives of the study, six research questions were raised and three State Houses of Assembly were randomly selected. The population for this study comprised of 76 members of state houses of Assembly and the management of the libraries selected. Structured questionnaire was designed and validated forface validity.The validated questionnaire waspilot testedand the result showed a reliability index coefficient of 0.82, which revealed the appropriateness of the instrument that was used for data collection. Out of the 76 (100%)copies of the questionnaire administered on the respondents, 69 (91%) were found valid and 7(9%) invalid. The data collected was analyzed using descriptive statistics, Frequency distribution tables and percentages. The result reveals that Legislators in the State Houses of Assembly in NorthCentral Nigeria have various types of information needs and different types of information resources and services were also provided by these legislative libraries to satisfy the information needs of the legislators. Though, the resources and services are not satisfying the information needs of the legislators as revealed by the majority of the respondents. On the basis of the findings the following recommendations were made that State Houses of Assembly in the North Central should make adequate funds available to the library so as to enable the libraries acquire necessary resources and to provide services that would enable the libraries meet the information needs of the legislators. The libraries should acquire modern information and communication technologies and should be linked with the internet facilities to enable the legislators have access to abundant information worldwide.Provision of information resources like books, magazines and materials of local history to the libraries should be improved on since the accompanied services is a function of the available resources.