Slab leak work involves several decisions in a row: how the leak is located, which line it is on, which repair method fits and what finish work follows. Each stage is a natural point to ask questions, and a licensed plumber should be able to answer them in plain language.

Bring your meter test results, photos and water bills to the first conversation. They give the plumber something concrete to work from and show that you have already ruled out the obvious.

On the first call

  1. What is your CSLB license number? (Then check it at cslb.ca.gov.)
  2. Is my Fullerton address in your service area?
  3. Will your own employees do the work, or a subcontractor?
  4. How do you handle leak location: is it a separate visit and a separate charge?
  5. What should I do with the water in the meantime?

During leak location

  1. Which methods are you using, and why those?
  2. Did you confirm hot or cold side with a pressure test?
  3. How confident are you in the spot, and how large an opening would confirm it?
  4. Did anything else in the house, like toilets or irrigation, contribute to what the meter showed?
  5. Can I have the findings in writing, with a sketch?

Before choosing a repair

  1. What are my realistic options: spot repair, reroute, lining or repipe?
  2. Why do you recommend this one for my house?
  3. What pipe material would you use?
  4. What is included and excluded: concrete, flooring, drywall, paint, permit?
  5. How will you test the repair before you leave?
  6. Is this a written estimate or a fixed price, and what could change it?

Reading the answers

  • IfThey cannot give a CSLB license number, or it does not check outThenDo not hire them for this work.
  • IfThey want to break concrete before any testingThenAsk how they know where the leak is; consider another opinion.
  • IfThey recommend a repipe after one leakThenAsk for the evidence that the whole system is worn.
  • IfThey explain options clearly and put scope in writingThenThat is the kind of answer that makes comparison possible.

After the work

  • Pressure test results or a description of how the repair was tested.
  • A final invoice describing what was done and where.
  • Permit and inspection sign-off, if a permit was required.
  • Your own meter test with all water off, showing a still indicator.

Common questions

How do I verify a plumbing contractor in California?

Ask for the CSLB license number and look it up at cslb.ca.gov. The lookup shows whether the license is active and its classification.

Is it rude to ask for a second opinion?

No. For major work like a reroute or repipe, comparing assessments from more than one licensed contractor is common.

Can I ask Fullerton Slab Leak Repair these questions?

Please do, and ask them of any plumber you consider. This is a preview site: the phone number shown is a temporary placeholder and the request form is not connected to a destination yet, so a submission is not sent anywhere for now.

General information for Fullerton, not a quote or professional advice. In an emergency, call 911.