Plumbers ChatGPT recommends in California

In each city we asked ChatGPT the questions homeowners ask when a pipe leaks or a drain backs up, three times each, and recorded every business it named. These are the most-named in the 2 cities we've measured in California so far.

• Sacramento, CA
  1. 1. Roto-Rooter Plumbing & Water Cleanup7 of 15
  2. 2. Bonney Plumbing, Sewer, Electrical, Heating & Air6 of 15
  3. 3. Natomas Plumbing & Drains5 of 15
  34 businesses named · measured October 13, 2026
• San Diego, CA
  1. 1. Lefty’s Plumbing6 of 15
  2. 2. All Star Plumbing6 of 15
  3. 3. Roto-Rooter San Diego5 of 15
  33 businesses named · measured October 13, 2026

Is your plumber in one of these cities, or somewhere we haven't measured yet? Check where you stand, free. Answers are a sample from the OpenAI API with web search, not a guarantee of what every ChatGPT conversation says. How we measure.