The answer to how much faucet installation costs is that it can vary significantly depending on several factors. Typically, the cost for a professional to install a new faucet ranges from $150 to $500, with the average being around $300.
The main factors that influence the cost include the type of faucet, the complexity of the installation, whether any plumbing work is required, and the labor rates in your local area. More expensive faucets and those that require additional plumbing work will be on the higher end of the price range. It's best to get quotes from local plumbers to get an accurate estimate for your specific project.