Developmental Disabilities Administration Counties & Provider Information

Information and resources for counties and providers:

• County Best Practices
• DDA Contracts
• Environmental Adaptation Providers 08/16/2025
• Individual Providers
• Office of Rates Management
• Policy Manual
  • Archives
• Residential Provider Resources
• Rules & Laws
• Forms

Interested in becoming a Supported Living, Group Home or Group Training Home provider?

• Request Certified Community Residential Service and Support Initial Application and Instructions at ccrssapplicationsrequest@dshs.wa.gov
• For more More Information, read the Supported Living factsheet

Information for Potential Medicaid Contractors