Who We Serve

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Horizon provides services and supports for adults with intellectual and developmental disabilities.

What is a developmental disability?

A Developmental Disability is a severe mental or physical impairment or combination of mental and physical impairments. Key defining characteristics:

  • Begins before an individual is 22 years of age
  • Begins in and directly affects the brain and has continued, or is expected to continue, indefinitely;
  • Causes significant impairment of daily living skills such as, but not limited to, communicating, grooming, dressing, safety and social skills.

Developmental disabilities include down’s syndrome, autism, cerebral palsy, epilepsy, or other neurological disabling conditions.

What is an intellectual disability?

An Intellectual Disability is defined by a significantly sub-average intellectual functioning with an intelligence quotient (IQ) of 70 and under as measured by a qualified professional and is observed prior to the age of 18.

This is coupled with a lack of daily living skills (adaptive behavior) such as, but not limited to, communicating, grooming, dressing, safety and social skills

How do families and individuals access our services?

If you believe that you or a family member qualify for supports from Horizon the first step is to contact the Umatilla County Community Developmental Disabilities Program (CDDP) and speak with a Case Manager. The assessment and intake process starts through the Umatilla County Developmentally Disabled Program website.


Additional resources for families and individuals can be found by contacting the Oregon Department of Disabilities Services.