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! 

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

Office Location Phone Number
Everett 425-740-6400
Seattle 206-568-5700
Spokane 509-329-2900
Tacoma 253-404-5500
Tumwater 360-725-4250
Yakima 509-225-7970


Provider Resources