e18502 Background: Social determinants of health (SDOH) can lead to gaps in supportive care resources and services available to cancer patients. Established in 2017, Phoenix Cancer Support Network (PCSN) is a non-profit that endeavors to empower cancer patients (clients) throughout their cancer journey by providing support, guidance, and direction while promoting and protecting the unique needs, lifestyle, and abilities of each client and their caregivers. In this study, we investigate the non-medical needs of patients that engaged with PCSN for assistance and the increases in services provided over time. Methods: All patients that applied for and were eligible to receive assistance from PCSN were included. Eligibility requirements include patients primarily residing in Arizona and are receiving cancer therapy. Non-medical services offered included transportation, groceries and meals, housecleaning, other domestic services (e.g., child care or dog walking), financial support, and household goods. Summary statistics were conducted. Results: Between December 2017 and November 2020, 188 clients (117 were female) were offered assistance by PCSN. The median age was 58 (range 23-92). The number of clients assisted was 2 in 2017, 81 in 2018, 58 in 2019, and 38 in 2020. 145 clients had a solid tumor and 131 were actively undergoing cancer treatment when seeking PCSN assistance. Of 67 clients with available income data, 55 clients earned less than $25,000/year including 41 clients that were unemployed and 21 clients without insurance coverage. Most frequently requested services were transportation (49%), groceries and meals (41%), financial support (34%), housecleaning (26%), and other domestic services (10%). Of those requested services, PCSN was able to provide assistance for 76% of transportation, 62% of meal services, 79% of financial assistance, 50% of housecleaning, and 100% of other domestic services requested. Details of total expenditures for these services by year are depicted in the Table.Transportation service has been the largest expenditure overall, followed by other domestic services and groceries and meals. Conclusions: PCSN clients have needs that span multiple non-medical resources, reflecting potential sources of improvement in reducing disparities in the cancer community. At least 25% of clients requesting non-medical assistance reported annual income below $25,000/year. The amount of services provided has increased yearly, particularly transportation services. Additional study and follow-up to understand these service gaps and the impact of SDOH is warranted.[Table: see text]