You can only change your own address, and not that of an opposing party.
You must submit the change in writing, with a copy of your driver’s license and your case number, and mail it to the address below:
Clerk of the Circuit Court & Comptroller, Palm Beach County
Family Support Division
P.O. Box 3597
West Palm Beach, FL 33402
You can you also fax this information to (561) 355-7009.
This change of address is only to the clerk of courts. If your case is with DOR (Department of Revenue), you must contact them directly at 850-488-KIDS (5437) to change your address with them.