4 Pillars Care Supported Living LLC in Santee is a San Diego Regional Center-vendored provider delivering Supported Living Services to adults with intellectual and developmental disabilities from its Prospect Avenue office. The agency's person-centered model coordinates individualized care plans that promote independent living, functional-skills development, and community integration — goals that may include rehabilitation partnerships with providers such as Santee Physical Therapy on Prospect Avenue. Supported Living Services under the SDRC vendor framework differ from residential care in that clients maintain their own housing while receiving in-home staff support calibrated to each individual's assessed needs. Medication management, appointment coordination, and prescription fulfillment connect clients to neighborhood resources including Santee Community Pharmacy on Magnolia Avenue. The SLS model structures staff hours around each client's Individual Program Plan, scaling support from a few weekly visits to round-the-clock in-home assistance depending on the level of care authorized by the San Diego Regional Center.