This article describes Arkansas Community Engagement Alliance Against COVID-19 Disparities (CEAL) Coalition initiatives and changes in measures of organizational capacity and sustainability via two waves of surveys. The Arkansas CEAL Coalition used several initiatives to address racial/ethnic COVID-19 disparities by building the capacity of community-based organizations and businesses to increase COVID-19 protective behaviors among their clients. Our study can inform future strategies that use a community-engaged coalition structure to reduce disparities among communities that suffer disproportionately from COVID-19. (Am J Public Health. (Am J Public Health. 2024;114(S1):S59-S64. https://doi.org/10.2105/AJPH.2023.307470).