To get ihss, you need to: Meet financial eligibility guidelines. Be blind, disabled, or age 65 or older. Webhow to apply for ihss services in san diego. To apply for ihss services in san diego, individuals can follow these steps: Reach out to the ihss office. Webto become a provider, you must: Attend an enrollment session, show proof of employment, and. Complete a department of justice (doj) background clearance.