For Filing Child Custody Masters Unit, click here. Then, click "Child Custody in Philadelphia County" for complete information, forms and instructions.
For help in person, visit:
The Family Court Building (215) 686-9208, 1501 Arch Street, Philadelphia, PA 19102
When filing for custody you need the following information:
First time filing fee $107.13. Fee to modify an existing order or for emergency custody $42.68. MUST be cash or money order only.
More information can be found here.