What does "licensed plumber" actually mean in California?
In California, plumbing contractors must hold a C-36 Plumbing Contractor license issued by the Contractors State License Board (CSLB) for any job of $500 or more (labor and materials). A licensed contractor is also required to be bonded, and if they have employees, to carry workers' compensation insurance. You can verify any license number free on the CSLB website — Good News Plumbing & Drain operates under CA license #906746.
From the Good News Plumbing & Drain team — family-owned, CA licensed (#906746), serving the San Gabriel Valley since 2001.
When should you go through this checklist?
Before any non-emergency job — repipes, water heater replacement, sewer work, remodels. In a true emergency (burst pipe, sewage backup), call first and verify while the plumber is en route; a legitimate company will happily give you its license number over the phone.
The checklist
- Verify the C-36 license on the CSLB lookup — active status, no unresolved complaints.
- Ask about the bond and insurance. A contractor bond protects you if work is left incomplete or below code.
- Get the estimate in writing before work begins, and ask what could change it.
- Ask who is actually coming to your home — an employee of the company, or a subcontractor?
- Check real reviews on Google and Yelp, not just the testimonials a website chooses to show.
- Ask about workmanship guarantees. A company that stands behind its work will say so in plain terms.
Where homeowners get burned
The most common failure modes we hear about from new customers: unlicensed handymen taking on $500+ plumbing jobs (illegal in California and uninsurable), quotes that balloon mid-job because nothing was in writing, and "too cheap to be true" drain specials that turn into high-pressure upsells once the tech is in the door. If a price seems impossibly low for the San Gabriel Valley, ask exactly what it includes.
How Good News Plumbing & Drain measures up
We're a family-owned company based in Glendora with a second office in Irwindale, CA C-36 license #906746, bonded and insured, serving the San Gabriel Valley since 2001. Our reviews are public on Google and Yelp, and our work is guaranteed to your satisfaction.
Next step
If you're comparing plumbers for a specific job, start with our plumbing repair and water heater pages to understand the scope, then read snaking vs. hydro jetting if it's a drain problem.
Request an estimate or call 877-447-4737 — 24-hour emergency service available.

