County resource guide
Autism Resources in King County, Washington
Local providers, school contacts, and support services for autism families in King County. Washington statewide resources also apply.
King County (Seattle) has one of the strongest autism service ecosystems in the country. Seattle Children's Hospital is an Autism Treatment Network site and consistently ranks among the nation's best pediatric programs, and the UW Autism Center combines world-class research with clinical services. Washington PAVE is the state's federally funded PTI providing free IEP advocacy. Washington requires commercial insurance to cover ABA therapy, and Washington's Early Support for Infants and Toddlers (ESIT) program provides free developmental services for children under 3.
School evaluation
Request a School Evaluation
Under IDEA, your school district must evaluate your child for free if you request it in writing. Here’s who to contact in King County:
Seattle Public Schools Special Ed
Serves Seattle city limits within King County.
OSPI / ESD 121 (Puget Sound ESD)
Puget Sound ESD supports districts across King and neighboring counties.
Contacts verified May 2026 — call to confirm current numbers
Learn how to write your evaluation request →Provider directory
Local Providers13 providers in King County
About our listings
Provider listings on Autism Parent Club are submitted by practices or researched from public sources. All listings are reviewed for accuracy before publication. To suggest a correction, use the “Suggest a correction” link below.
Diagnostic clinics
Formal autism evaluations by developmental pediatricians, psychologists, or neuropsychologists.
Seattle
Seattle Children's Hospital — Autism Center
One of the country's premier pediatric autism programs. Seattle Children's offers comprehensive evaluations, an Autism Treatment Network site, and family support services. Multi-disciplinary team with developmental pediatricians, neuropsychologists, and speech pathologists.
Autism Treatment Network site. High demand — ask about waitlist and community-based evaluation options.
Seattle
UW Autism Center
Research and clinical autism center at the University of Washington. Evaluations, evidence-based interventions, and Washington State's strongest connection between autism research and family services. Part of the Autism Speaks Autism Care Network.
Early Intervention (0–3)
Free services for children under 3 under IDEA Part C.
Seattle
King County Early Intervention Program
King County's IDEA Part C Early Intervention program provides free developmental services for children under 3. Coordinated through Birth to 3 programs — no diagnosis required to request an evaluation.
FREE under federal law. No diagnosis required. Act quickly if your child is close to age 3.
ABA therapy
Applied Behavior Analysis therapy — typically requires insurance authorization.
Seattle
ACES — Applied Behavioral Strategies, Seattle
ABA therapy for children with autism spectrum disorder in Seattle and throughout King County.
Source: https://www.acesaba.com/locations/seattle
Tacoma · multi-county
Autism Learning Partners — Tacoma
Center- and home-based ABA therapy serving Pierce County. BCBA-supervised programs for toddlers through teens. Accepts Apple Health (Washington Medicaid) and commercial insurance under Washington's ABA insurance mandate.
Washington requires all commercial insurance plans to cover ABA therapy.
Seattle · multi-county
Centria Autism — Seattle
In-home and center-based ABA therapy in the Seattle metro. BCBA-supervised. Accepts most commercial insurance and Apple Health (Washington Medicaid).
Washington requires commercial insurance to cover ABA therapy.
Everett · multi-county
Centria Autism — Snohomish County
In-home and center-based ABA therapy throughout Snohomish County. BCBA-supervised programming for toddlers through teens. Accepts Apple Health (Washington Medicaid) and commercial insurance under Washington's ABA mandate.
Washington requires commercial insurance to cover ABA therapy.
Seattle
Connections Behavior Planning & Intervention
Home-based and school-based ABA therapy in Kent, Renton, Seattle, Kirkland, and throughout King County. BCBA and RBT supervised.
Source: https://connections-behavior.com
Seattle
CSD Seattle — Center for Speech and Language Disorders
Center-based and in-home ABA therapy, speech therapy, OT, social skills groups, and parent education in Seattle/King County.
Source: https://csdautismservices.com/about-locations/seattle/
Speech therapy
Speech-language pathology, AAC, pragmatic language, and feeding.
Seattle
Sound Speech — Seattle
Pediatric speech-language pathology with strong autism specialization. AAC, social communication, and early language intervention in Seattle.
Occupational therapy & sensory
Occupational therapy, sensory integration, and sensory diets.
Tacoma · multi-county
MultiCare — Pediatric Occupational Therapy (Tacoma)
MultiCare's pediatric OT clinics in Tacoma provide sensory integration, fine motor, and daily living skills therapy for autistic children. Multiple clinic locations throughout Pierce County. Accepts Apple Health and most commercial plans.
Parent & family support
Parent groups, sibling programs, and family peer support.
Seattle · multi-county
Autism Society of Washington
Statewide organization with active King County programs. Support groups, social events, resource navigation, and advocacy with the Washington state legislature.
Advocacy & legal
Legal advocates, special education advocates, and disability rights organizations.
Tacoma · multi-county
Washington PAVE
Washington State's federally funded Parent Training and Information Center. Free IEP advocacy, training, and navigation support for families across the state. Knows Washington's special education rules inside out.
FREE. Federally funded PTI. The most important call before any IEP dispute in Washington.
For providers
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School districts & government services
Public programs and school district contacts for King County.
School & special education
Services & benefits
Helpful guides
Guides for King County families
Step-by-step help on the topics that matter most.
School & IEP
Navigating the IEP process
Your rights under IDEA, how evaluations work, and what every IEP section means.
Finding help
ABA, OT, speech and waitlists
How to find qualified providers, navigate insurance, and get off waitlists faster.
Getting started
Where to start after diagnosis
A week-by-week checklist for the first 90 days — from evaluation to early intervention.
Benefits & money
SSI, Medicaid waivers, ABLE accounts
Federal benefits your child may qualify for and how to apply without losing your spot.
Mental health
Co-occurring conditions and support
Managing anxiety, ADHD, and depression alongside an autism diagnosis.
Daily life
Sensory processing and OT
Understanding sensory needs, sensory diets, and how occupational therapy helps.
Adulthood
Employment, housing, legal planning
Supported employment, housing options, guardianship alternatives, and ABLE accounts.
Communities served
Cities in King County
Serving families across King County including Seattle, Bellevue, Kent, Renton, Kirkland, Redmond, Federal Way, Sammamish, Auburn and Bellevue and more.
See all Washington resources
Waivers, PTI centers, and state programs apply to all families in Washington.
Washington state guide →Nearby counties in Washington
See something that needs fixing?
Providers move, phone numbers change, and links break — it happens. If anything on this page is out of date, wrong, or no longer working, please tell us and we’ll fix it. Keeping this accurate for autism families is the whole reason we’re here.
Report a correction →Help the community
Know a great provider in King County?
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