Developmental Disabilities Administration (DDA)

by Washington State Department of Social and Health Services

Last updated on: 10/28/2025

The Washington State Developmental Disabilities Administration (DDA) supports individuals and families through services that promote independence and inclusion, including daily living assistance, skills training, employment support, and respite care.

Main Services

Locations

Colfax Location
Hours

By Appointment Only

Website
Phone
Fax
  • (509) 397-3498
Office

418 S Main St, Suite 4
Colfax, WA 99111

Accepting Clients

Residents Served
  • Washington State Residents
Ages Served
  • All ages
Populations Served
  • Only people with disabilities
Olympia Location
Website
Phone
Office

P.O. Box 42650
Olympia, WA 98504

Accepting Clients

Residents Served
  • Washington State Residents
Ages Served
  • All ages
Populations Served
  • Only people with disabilities

Organization

Washington State Department of Social and Health Services

Last updated on: 10/28/2025

Washington State Department of Social and Health Services is dedicated to helping Washingtonians by offering programs and services that promote health and wellbeing.

View Organization