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.