Regarding pipe material grades, emergency plumbing visit costs range from $75 to $200

https://blogfreely.net/cwearsonts/good-plumbers-answer-emergency-calls-within-two-hours-of-your-initial-contact-khvf

Emergency plumbing visit costs in Los Angeles typically range from $75 to $200 for the service call alone, but your actual invoice depends on the pipe material specifications installed in your home, including pressure ratings, temperature