Rescuers were able to get the worker off the roof using a crane, and he was taken to a local hospital as a precaution.
"A roofing consultant lost his balance and fell approximately 5 feet resulting in a minor shoulder injury. He was transported to western medical center for evaluation," said Disneyland spokeswoman Betsy Sanchez in a statement.
Authorities said worker is in his 70s and suffered minor injures.
The park was not open at the time of the accident.
Disney is the parent company of ABC7.