The South Carolina Department of Behavioral Health and Developmental Disabilities Office of Intellectual and Developmental Disabilities (BHDD OIDD), formerly the Department of Disabilities and Special Needs, provides services to children and adults with severe, lifelong disabilities.
About Our Headquarters
As of June 2025, BHDD OIDD headquarters are co-located at the State of South Carolina Health Campus with the South Carolina Department of Public Health, allowing for closer collaboration between the two cabinet agencies. The state’s health campus is located at 400 Otarre Parkway in Cayce.
Services Are Not Affected by the Headquarters Relocation.
BHDD OIDD does not provide direct services at the State of South Carolina Health Campus.
Contact Information
Phone numbers
All BHDD OIDD affiliated phone numbers remain the same.
Main Phone Number: 803-898-9600
Toll Free: 1-888-DSN-INFO (1-888-376-4636)
Apply for Services: 800-289-7012
Mailing Addresses
The mailing addresses for BHDD OIDD have been updated and are provided below.
Payments
Accounts Receivable
BHDD Office of Intellectual and Developmental Disabilities
400 Otarre Parkway
Building E
Cayce, SC 29033
Other USPS mail
Include specific area/office
BHDD Office of Intellectual and Developmental Disabilities
400 Otarre Parkway
Building E
Cayce, SC 29033
Packages
Include specific area/office
BHDD Office of Intellectual and Developmental Disabilities
Building E Loading Dock
400 Otarre Parkway
Cayce, SC 29033
Website
Current Office website
Contact Us
If you have any questions about BHDD OIDD or its services, please contact us.