Question: how much does it cost to change a last name on a birth certificate?
Answer: 7. The fees are: • $137 for an adult name change. $ 22 for each name change for a child 17 years of age or younger, using an Application to Change a Child's Name if the name is changed at the same time as one of their parents. If the child's name is being changed without a parent, the fee is $137.