Planning the Transition to Adult Autism Services in Delaware

9 min read · Updated June 2026 · ABA For My Child editorial team

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In short: Transitioning to adult autism services in Delaware requires early planning, typically starting by age 14. Key steps include understanding the Division of Developmental Disabilities Services (DDDS) eligibility, exploring Medicaid waivers, and connecting with adult providers. Our free matching service can help you find vetted, BCBA-led ABA providers for continued support.

Key takeaways

  • Start transition planning early, ideally by age 14, to ensure smooth access to adult services in Delaware.
  • The Delaware Division of Developmental Disabilities Services (DDDS) is the primary gateway for adult supports, including Medicaid waivers.
  • ABA therapy can continue into adulthood, especially for skill maintenance and behavioral support, and is often covered by insurance.
  • Explore vocational rehabilitation through the Delaware Division of Vocational Rehabilitation (DVR) for employment support.

Understanding the Transition to Adult Autism Services in Delaware

For families of autistic individuals in Delaware, the transition from school-based services to adult supports is a significant milestone. This process involves shifting from an entitlement-based system (IDEA) to a eligibility-based system, where services are not guaranteed but depend on available funding and individual need. Planning ahead is crucial to ensure continuity of care and access to necessary supports.

In Delaware, the primary agency overseeing adult developmental disability services is the Division of Developmental Disabilities Services (DDDS), part of the Department of Health and Social Services. DDDS administers Medicaid waivers, case management, and residential supports. Understanding how to navigate this system can make the transition smoother for both the individual and their family.

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When to Start Planning

Experts recommend beginning transition planning by age 14, though it's never too late to start. In Delaware, the Individuals with Disabilities Education Act (IDEA) requires that transition planning be included in the Individualized Education Program (IEP) by age 16, but starting earlier allows more time to explore options and build skills.

Key Milestones in the Transition Timeline

  • Ages 14-16: Begin discussing future goals with the IEP team. Focus on self-advocacy, independent living skills, and vocational exploration.
  • Ages 16-18: Apply for DDDS eligibility. Contact the DDDS intake office to start the process, which includes a clinical assessment and determination of functional need.
  • Ages 18-21: If still in school, continue to work on transition goals. Apply for adult Medicaid waivers, such as the DDDS Waiver (formerly the DD Waiver) or the Community First Choice (CFC) option.
  • Age 21+: Transition out of school-based services. Connect with adult providers for day programs, employment supports, and residential services.

Key Adult Services and Supports in Delaware

Delaware offers a range of services for autistic adults, though availability may vary based on funding and eligibility. The most common supports include:

Medicaid Waivers and Long-Term Services

The DDDS Waiver provides funding for residential supports, day habilitation, respite care, and behavioral supports. To qualify, individuals must meet DDDS eligibility criteria, which include a diagnosis of intellectual disability or autism with significant functional limitations. The waiver has a waiting list, so early application is critical. Additionally, the Community First Choice (CFC) option offers personal care and assistance with daily living activities for those who qualify for Medicaid.

Vocational Rehabilitation

The Delaware Division of Vocational Rehabilitation (DVR) helps autistic adults find and maintain employment. Services include job coaching, skills training, and assistive technology. To access DVR, individuals must apply and be determined eligible based on a disability that creates a barrier to employment.

Behavioral Health and ABA Therapy

Applied behavior analysis (ABA) therapy is not just for children. Many autistic adults benefit from ABA to develop independent living skills, manage challenging behaviors, and improve social communication. In Delaware, ABA is often covered by private insurance and Medicaid, including the DDDS Waiver. Our free matching service can connect you with BCBA-led providers who specialize in adult ABA services.

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How to Access Services: Step-by-Step

Navigating the adult service system can feel overwhelming, but breaking it down into steps helps.

Step 1: Gather Documentation

Collect all relevant records, including medical diagnoses, psychological evaluations, IEPs, and any previous therapy reports. This documentation is essential for DDDS eligibility and Medicaid applications.

Step 2: Apply for DDDS Eligibility

Contact the DDDS intake office at (302) 744-9600 or visit their website to request an application. The process includes a clinical review and a functional assessment. Be prepared to provide detailed information about the individual's support needs.

Step 3: Apply for Medicaid

If the individual does not already have Medicaid, apply through the Delaware Division of Social Services. Many adult services require Medicaid eligibility. For those with private insurance, check coverage for ABA and behavioral health services.

Step 4: Explore Waiver Options

Once DDDS eligibility is established, apply for the DDDS Waiver. Note that there may be a waiting list, so it's important to get on it as early as possible. In the meantime, consider other supports like DVR or community-based programs.

Step 5: Connect with Providers

Use our free matching service to find vetted, BCBA-led ABA providers in Delaware who offer adult services. You can also search the DDDS provider directory for residential and day programs.

Costs and Insurance Coverage

Understanding the financial aspects of adult autism services is crucial. In Delaware, many services are funded through Medicaid, which can significantly reduce out-of-pocket costs.

Medicaid Coverage

Delaware's Medicaid program covers ABA therapy for eligible individuals of all ages, as long as it is deemed medically necessary. The DDDS Waiver also covers residential and day services. For those on the waiver, there may be a sliding fee based on income, but many services are fully covered.

Private Insurance

Delaware's autism insurance mandate requires private insurers to cover ABA therapy for individuals up to age 21, but some plans extend coverage beyond that. Check with your insurance provider to confirm adult ABA benefits. If coverage is limited, our matching service can help you find providers who accept your plan.

Other Funding Sources

Vocational rehabilitation services through DVR are free for eligible individuals. Additionally, some nonprofit organizations in Delaware offer grants or scholarships for autism-related services.

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Common Mistakes to Avoid

Families often encounter pitfalls during the transition. Here are some to watch out for:

  • Waiting too long to start: The DDDS waiver waiting list can be years long. Begin the application process by age 16 at the latest.
  • Assuming school services will continue: School-based services end at age 21 (or upon graduation). Plan for adult services well before this cutoff.
  • Not exploring all funding options: Some families overlook private insurance or Medicaid waivers. Always check multiple sources of coverage.
  • Neglecting self-advocacy skills: Encourage the individual to participate in their own planning meetings and learn to communicate their needs.
  • Failing to update documentation: Keep medical and therapy records current, as outdated assessments can delay eligibility.

Practical Tips for a Smooth Transition

Here are actionable strategies to make the process easier:

  • Create a transition binder: Organize all documents, contact information, and timelines in one place.
  • Attend DDDS informational sessions: DDDS often holds workshops for families. Check their events calendar.
  • Build a support network: Connect with other families through the Autism Society of Delaware or local support groups.
  • Consider a person-centered plan: Work with a case manager to develop a plan that reflects the individual's goals and preferences.
  • Use our free matching service: We can help you find BCBA-led ABA providers who understand adult needs and can support skill development.

Looking Ahead: Life After Transition

The transition to adult services is not an endpoint but a new beginning. With the right supports, autistic adults in Delaware can lead fulfilling lives, whether through employment, community involvement, or independent living. Remember that services can be adjusted over time as needs change. Stay proactive, keep advocating, and don't hesitate to seek help from professionals and peers.

If you're ready to find a vetted, BCBA-led ABA provider for your loved one, our free matching service is here to help. We connect families with providers who specialize in adult autism services in Delaware, ensuring a personalized and supportive experience.

About this guide. Written and reviewed by the ABA For My Child editorial team. This article is general educational information, not medical advice - please consult a qualified professional such as a BCBA or your pediatrician about your child's needs. Last updated June 2026.

Frequently asked questions

What is the first step to access adult autism services in Delaware?

The first step is to apply for eligibility with the Delaware Division of Developmental Disabilities Services (DDDS). This involves submitting documentation of the autism diagnosis and a functional assessment. Contact the DDDS intake office at (302) 744-9600 to begin.

Does Delaware Medicaid cover ABA therapy for adults?

Yes, Delaware Medicaid covers ABA therapy for adults if it is deemed medically necessary. This includes services through the DDDS Waiver and the Community First Choice option. Private insurance may also cover ABA, but coverage limits vary.

How long is the waiting list for the DDDS Waiver in Delaware?

The waiting list for the DDDS Waiver can vary, but it is often several years. It is crucial to apply as early as possible, ideally by age 16, to secure a spot. In the meantime, explore other supports like vocational rehabilitation.

Can ABA therapy continue after age 21 in Delaware?

Yes, ABA therapy can continue into adulthood in Delaware. Many BCBA-led providers offer services for adults, focusing on independent living skills, behavior management, and social communication. Our free matching service can help you find these providers.

What is the role of the Delaware Division of Vocational Rehabilitation (DVR)?

DVR helps autistic adults find and maintain employment through job coaching, skills training, and assistive technology. To access DVR, individuals must apply and be determined eligible based on a disability that creates a barrier to employment.

How can I find adult autism service providers in Delaware?

You can use our free matching service to connect with vetted, BCBA-led ABA providers. Additionally, the DDDS provider directory lists residential and day programs. Local support groups and the Autism Society of Delaware are also great resources.

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