Southeast CASA serves children in Yankton, Clay, Bon Homme, Turner, and Union counties in South Dakota
Our mailing address is :
Southeast CASA
P.O. Box 7017
Yankton, SD 57078-7017
As of October 1, 2020, our Main Office in Yankton is at 413 W. 15th Street, Suite 108.
Our satellite office is in Vermillion (no mail delivered to this address) in the Community Connections Center building at 9 Court Street.
