The answer to 'how much to fix faucet installation' depends on several factors, but most professional plumbers charge between $100 to $300 to repair or replace a faucet. The cost can vary based on the complexity of the repair, the type of faucet, and whether any additional parts or materials are needed.
Some key factors that influence the cost include the type of faucet (e.g. cartridge, compression, or ceramic disc), the difficulty of accessing the plumbing, the need to replace washers, springs, or other internal components, and whether any pipes or fittings also need to be repaired or replaced. The cost is also affected by your location and the hourly rate of the plumber.