Arizona Division of Developmental Disabilities

Contact Us
1789 West Jefferson Avenue
S/C 791A
Phoenix, Arizona 85007
(866) 229-5553
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Arizona DES/DDD is a leader in the country for providing services for individuals with developmental disabilities in their home and communities.  88% of its 29,800 individuals enrolled in the DES Developmental Disabilities program live in their own homes and communities rather than in congregate settings.

Below are the first three steps in the eligibility process:

 Step 1: Get Your Documents Together

The more information you can gather on your child(ren) before you schedule your Intake with DDD, the better.  Get together any and all information you have, such as:

  • Individual Education Plans (IEP)
  • Individual/Family Service Plans (IFSP)
  • Psychological evaluations
  • Psychiatric evaluations
  • Neuropsychological evaluations
  • Psycho-educational evaluations
  • Scripts from your physician 

Any document that may include diagnostic information and developmental data for your loved one.

** Provide the State with as much info as you can!  The more they get to know your child, the easier the process with go.  It may seem like a lot of work in the beginning, but it will pay off.***

Step 2: Functional Limitations

DDD looks at the functional limitations of each individual during the assessment process.  They need to know about anything that your loved one may struggle with.  Here are they areas of limitation that they focus on:

  • Self-care- Does your child need help with hygiene, bathing etc.?
  • Receptive and expressive language- Are there communication issues with others?
  • Learning- Can they learn and retain new information?
  • Mobility- Can they walk?  Are they meeting their milestones developmentally?
  • Self-direction- Can manage their personal responsibilities like finances etc.?  Can they advocate for themselves?
  • Capacity for independent living- Do they need supervision and assistance on a regular/daily basis?
  • Economic self-sufficiency- Can they be financially independent?

** If you need to, make yourself an outline and make sure you tell the eligibility worker everything, even if it seems like a small detail, share it all!

Step 3: DDD Eligibility

Now that you have your information together, it’s time to schedule your appointment.  Call the DDD Intake office in your area and let them know you would like to apply for services.  They are divided by county, so find your office and give them a call.  They will ask you some initial questions and assign you an eligibility coordinator.   Make sure you get the name of the unit supervisor so you can follow up with them as needed.  

                                                                 AZ DDD Offices:

Maricopa County

(602) 246-0546

 4000 N. Central Avenue #900

Phoenix, AZ  85012

Pima County

(520) 628-6800 

400 W. Congress #549 

Tucson, AZ  85701

Apache, Coconino, Navajo and Yavapai Counties

(928) 773-4957

2705 N. 4th St.  Suite A 

Flagstaff, AZ  86004

La Paz, Mojave and Yuma Counties

(928) 539-3152

350 W. 16th Street # 232 

Yuma, AZ  85364

Pinal and Gila Counties

(480) 982-0018

110 S. Idaho Road #240

Apache Junction, AZ  85219

Cochise, Graham, Greenlee and Santa Cruz Counties 

(928) 773-4957 

209 Bisbee Road

Bisbee, AZ  85603


Areas Served:

Maricopa County, Arizona

Services Provided:

  • Division of Developmental Disabilities-DDD