The purpose of this study was to assess the factors influencing effective implementation of monitoring and evaluation of economic stimulus projects. The target population comprised of selected projects’ stakeholders. Purposive sampling was used to identify the major projects to be focused on, while stratified and simple random sampling was used to identify the respondents. The main instruments for data collection were questionnaires, interviews and observation. The quantitative data was analyzed using descriptive statistics while qualitative data was analyzed using thematic analysis. The study found that the availability of resources, competency of staff, adoption of information, communication and technology and stakeholder participation influenced effective implementation of monitoring and evaluation of projects. The study concludes that resources, staff competency, adoption of Information Communication & Technology and stakeholders’ participation influence effective implementation of monitoring and evaluation of projects. The study recommends need for resources, stakeholders’ involvement, ICT integration and enhanced staff capacities in M&E implementation.