Best of San Diego · 2026
Best Plumbers in San Diego
Our top picks for plumbers in San Diego: All American Plumbing Inc. (Poway), Courtesy Plumbing Inc. and Mr. Rogers Neighborhood Plumbing — ranked by what thousands of San Diegans say in their reviews, weighed for consistency, and checked by us, from 303 places compared. Rankings are editorial and never for sale.
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Mr. Rogers Neighborhood Plumbing
Plumber in Ivey Ranch / Rancho Del Oro
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How to choose a plumber in San Diego
This directory tracks about 300 plumbing companies across San Diego County, from one-truck neighborhood plumbers to large outfits with 24-hour emergency crews. For a leak, clog or water heater, a well-reviewed local plumber who can come the same day matters most. All American Plumbing in Poway, Courtesy Plumbing in Mira Mesa, Mr. Rogers Neighborhood Plumbing in Oceanside and MasterCraft Plumbers in Carlsbad lead our list.
Ask whether the price is a flat rate or hourly, whether there's a trip fee, and how long the work is warranted. For bigger jobs like repiping, sewer lines or tankless water heaters, get two or three written quotes. Before any job, confirm the contractor's license on the California Contractors State License Board website (cslb.ca.gov), and get the price, scope and timeline in writing.
Before you hire: a quick checklist
- Ask for the CSLB license number and check it is active with a C-36 (plumbing) classification at cslb.ca.gov.
- Ask whether the price is flat-rate or hourly, and what the trip or after-hours fee is before anyone drives out.
- For water heaters and repiping, ask who pulls the permit. A licensed plumber should handle it.
- Get the warranty on parts and labor in writing.
- Be wary of anyone who asks for a large cash deposit up front: California caps home-improvement deposits at 10% of the price or $1,000, whichever is less.
How we ranked San Diego's best plumbers
We started with every plumbing company in San Diego County that is open, verifiable and has a phone number or website, then scored each one on review quality weighted by review volume, so a perfect score from three customers can't outrank years of consistent praise from hundreds. Rankings are editorial and never for sale; paid placements are clearly labeled Sponsored and sit outside the ranking.
Frequently asked questions
Who is the best plumber in San Diego?
Our top-ranked plumber is All American Plumbing in Poway, followed by Courtesy Plumbing in Mira Mesa and Mr. Rogers Neighborhood Plumbing in Oceanside.
Are there 24-hour emergency plumbers in San Diego?
Yes, many plumbers offer emergency service. Call ahead to confirm after-hours availability and any emergency fee before they come out.
How do I check if a plumber is licensed in California?
Search the business or license number on the Contractors State License Board website, cslb.ca.gov.
How much does a plumber cost in San Diego?
It depends on the job. Ask whether pricing is flat-rate or hourly and whether there's a trip charge, and get big jobs quoted in writing.
Do I need a permit to replace a water heater in San Diego?
In most cases, yes. Water heater replacements usually need a plumbing permit from your city or the county, and a licensed plumber can pull it for you as part of the job.
How much can a plumber ask for up front in California?
For home-improvement work, California limits the down payment to 10% of the contract price or $1,000, whichever is less.
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