The County Assembly is the main legislative organ of the county government. The main functions/ mandate of the county assembly is to legislate, oversight over the county executive and any other county organs as well as representation of people in the County government. During the MTEF 2021/22 – 2023/24 period the County Assembly of Kiambu approved budget was KShs. 1.498 billion, KShs. 1.628 billion and Kshs.1.755 billion for financial years 2021/2022, 2022 2023, and 2023/2024 respectively. The actual expenditures were KShs. 1.247 billion KShs. 1.186 Billion and Kshs.1.419 billion for financial years 2021/2022, 2022/2023, and 2023/2024 respectively. This represents an absorption rate of 83%, 72.8% and 80.8% for FY 2021/2022, 2022/2023, and 2023/2024 respectively.The major achievements based on the planned outputs/services for the MTEF period 2021/22 – 2023/24 budget were; enactment of legislations, oversight on utilization of public resources, capacity building for both honorable members and staff of the County Assembly, enhancement of governance in public service, conducting of public hearings, automation of plenary and committee proceedings among others.