This study aimed at assessing the level of disaster preparedness of health management committees in public hospitals in Nandi County. The study employed descriptive research design. The researcher used census method where with use of self- administered questionnaire and interview guide, the researcher was able to collect data from 41 and 16 committee members respectively. Quantitative data was processed and analyzed using the Statistical Package for Social Sciences SPSS version 20 while qualitative data was summarized consistent with the themes in the study objectives. Spearman’s correlation test of relationship was employed to test significance of relationship of challenges with the preparedness factors. The study established that the HMCs are not able to adequately fund disaster preparedness activities and putting in place programs for disaster preparedness within Nandi County. The overall rating on the staff preparedness for disaster is low. There is a significant relationship between Infrastructure developments for disaster readiness and lack of cooperation from the neighboring community and Lack of knowledge on disaster preparedness. Likewise, there is a significant relationship between inappropriate infrastructure and Funding of disaster preparedness and Programs in place for disaster. The study concludes that HMCs are not adequately prepared for disaster. The study recommends that the HMC should seek control and allocate more funds to disaster preparedness. The HMCs should be sensitized on disaster preparedness and similarly encouraged to work on the cooperation that lacks between the community and the public hospitals in Nandi County.