Background: Aging increases the likelihood for developing foot problems and reduces an individual’s ability for foot care. Hence, foot care knowledge and practices among nurses and care workers in the community greatly impact foot health maintenance and prevention of foot-related problems among older people. This study aimed to explore and examine the current foot care knowledge, practices, and perceptions among nurses and care workers in in-home service providers, along with their demographic characteristics and daily number of clients. Methods: This study analyzed 232 randomly selected front-line nurses and care workers across 35 in-home service providers in N City, A Prefecture, Japan. Data were obtained using questionnaires and subsequently analyzed using descriptive statistics, t-tests, Chi-square tests, Wilcoxon rank-sum tests, and Spearman’s rank correlation tests. Results: Among the 305 providers surveyed, 232 (76.1%; 63 nurses; 170 care workers) provided data. Although 57 nurses (91.9%) and 142 care workers (83.5%) showed interest in foot care, 33 nurses (53.2%) and 133 care workers (78.2%) stated that foot care education was insufficient. Knowledge and practice scores were associated with working status. Significant differences in items related to early detection of foot problems (34.2%) and skin tears on lower limbs (25.5%) were observed between nurses and care workers. Both groups had low accuracy rates in the Shoes and Socks subscale. For practice, both nurses and care workers had low mean scores for checking client’s shoes (2.0/5.0 and 2.1/5.0, respectively), method for reducing ingrown nail pain (2.6/5.0 and 1.9/5.0, respectively), and opportunity for discussing foot care with others (2.7/5.0 and 2.2/5.0, respectively). A significant correlation between knowledge and practice scores was observed among nurses (0.331, p < 0.05) and care workers (0.339, p < 0.001). Conclusions: Despite the presence of several barriers toward enhanced care delivery to clients needing it most, nurses and care workers clearly understood the importance of foot care. Basic knowledge on early detection of foot problems and foot care, as well as other aspects, such as shoes and socks, dangers of sedentary behavior, and maintaining and improving clients’ foot health, is imperative.