Developmental Disabilities Administration Contracts

Thank you for your interest in contracting with the Developmental Disabilities Administration (DDA). Service providers are an integral part in Transforming Lives across Washington State! 

To learn more about provider opportunities, please contact your local DDA office:

If you are interested in becoming a contracted provider, please call your local DDA office.  Ask for the contracts department:

  • Spokane 509-329-2900
  • Yakima 509-225-7970
  • Seattle 206-568-5700
  • Everett 425-339-4833
  • Tumwater 360-725-4250
  • Tacoma 253-404-5500


  • Community Guide and Engagement
  • Behavioral Support and Consultation
  • Environmental Accessibility Adaptations
  • Nursing, Occupational Therapy, Speech, Hearing and Language Services, Physical Therapy
  • Peer Mentoring
  • Person Center Plan Facilitation
  • Respite Care
  • Specialized Medical Equipment, Supplies and Assistive Technology
  • Supported Parenting
  • Staff/Family Consultation and Training