The answer to 'pressure regulator installation cost' is that the cost can vary significantly depending on several factors. Typically, the installation of a pressure regulator for a home can range from $200 to $500, but the actual price will depend on the complexity of the job, the type of regulator used, and the location of the home.
The cost can be influenced by factors such as the accessibility of the plumbing system, the need for any additional materials or fittings, and the labor rates in your local area. It's important to get quotes from multiple licensed and experienced plumbers in your area to get an accurate estimate for your specific project.