My 28yr old son lives with me but I completely support him because he has autism. Would he qualify as a dependant child in order for me to get the Earned Income Credit. He was diagnosed in his early childhood.

[Carl]

Most likely you qualify. But to confirm it for your specific situation, use the tool at https://apps.irs.gov/app/eitc2016/Forward_Filing_Status.do;jsessionid=J6pGG3iKTxDrzt4yoPc-gw__