The cost of faucet repair and installation can vary depending on various factors such as the type of faucet, the extent of the repair or installation required, and the specific plumbing company or professional you choose to work with. For faucet repairs, the cost can range from relatively inexpensive for simple fixes such as replacing a washer or gasket, to more costly repairs that involve replacing the entire faucet or addressing complex issues with the plumbing system. It's recommended to contact a plumbing professional who can assess the specific problem and provide a detailed cost estimate. When it comes to faucet installation, the cost can also vary depending on factors such as the type and quality of the faucet you choose, the complexity of the installation process, and any additional work required, such as modifying plumbing connections. Again, contacting a plumbing professional for an accurate estimate is the best course of action. To get a better idea of the cost, it's advisable to reach out to a couple of reputable plumbing service providers and request quotes for the specific faucet repair or installation project you have in mind. We will be able to provide you with more accurate cost information based on the details of your particular situation.