The cost of hair transplant procedures in Brea, California, typically ranges from $4,000 to $20,000 or more. This wide price range is influenced by several factors, including the extent of hair loss, the number of grafts required, and the specific techniques employed, such as Follicular Unit Transplantation (FUT) or Follicular Unit Extraction (FUE). FUE procedures, for instance, can range from $8 to $10 per graft, while FUT might be priced between $4 to $8 per graft. Patients should consult with individual clinics for detailed cost breakdowns based on their unique needs.