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Determining Eligibility through the Division of Developmental Disabilities (DDD)

The Division of Developmental Disabilities empowers individuals with developmental disabilities to lead self-directed, healthy and meaningful lives. DDD provides supports and services for eligible Arizonans. DDD provides supports and services to individuals diagnosed with one of the following developmental disabilities:

  • Autism;

  • Cerebral palsy;

  • Epilepsy;

  • Cognitive / Intellectual Disability;

  • Down Syndrome; or

  • Are under the age of six and at risk of having a Developmental Disability

DDD serves more than 50,000 people with developmental disabilities and their families throughout Arizona each year.

The services are based on age and specific eligibility based on federal requirements and referral/application processes.

The Department of Economic Security (DES) Division of Developmental Disabilities (DDD) is dedicated to providing services to individuals with developmental delays and disabilities and their families. In compliance with Arizona Department of Health Services and the Centers for Disease Control and Prevention (CDC) guidelines regarding social distancing and avoiding groups of people of ten or more, the Department encourages all individuals in need of DDD services to apply online by downloading the application, Application for Eligibility Determination Packet and emailing it to . If you have any questions please contact the DDD Customer Service Center at or 1 (844) 770-9500.

Ages Birth to Three

For early intervention services, children age birth to three must have a significant delay in one or more developmental areas or an established condition that could lead to a developmental disability. To make a referral for a child, please contact the AzEIP Central Referral Line (Raising Special Kids) toll-free at (888) 592-0140 or by e-mail at Once a child has been made eligible for AzEIP, with the family’s consent, DDD eligibility will be determined.

Ages Three to Six

Ages Six to Adult

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