Plumbquest Plumbing
Backflow testing. 349 3/4 N Sycamore Ave #1, Los Angeles, CA 90036
Approvals
Price reports
What a backflow test costs in Los Angeles
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Published prices nationwide
$29.99 to $100 per assembly
Every published price, with its source: what a backflow test costs.
Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.
What Plumbquest Plumbing's website says
Services listed on Plumbquest Plumbing's website, read October 11, 2026: backflow testing, backflow repair, backflow installation and replacement, general plumbing and water heaters. plumbquest.ai, plumbquest.ai/about
| It says | Details | Page |
|---|---|---|
| Service area | Los Angeles, Lancaster, Palmdale, Beverly Hills, Huntington Park, Burbank, Glendale and San Fernando | plumbquest.ai |
| 24-hour service | Offered, it says | plumbquest.ai |
| Licences, certifications, memberships | American Water Works Association (AWWA) | plumbquest.ai/about |
Read on plumbquest.ai on October 11, 2026 (2 pages). This is what the business says about itself; we have not checked the credentials it names with the issuing body.
Where you will find Plumbquest Plumbing
These are the city pages close enough for this business to appear on.
- Los Angeles, CA(4 mi)
- Burbank, CA(7 mi)
- Signal Hill, CA(21 mi)
- Brea, CA(27 mi)
- Valencia, CA(28 mi)
- Anaheim, CA(29 mi)
- Yorba Linda, CA(33 mi)
- Santa Ana, CA(36 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| E.Z. Roth Plumbing | Backflow Testing | 4 mi |
| Muir-Chase Plumbing | Backflow Testing | 6 mi |
| AAA Backflow | Backflow Testing | 6 mi |
| Valley Backflow | Backflow Testing | 7 mi |
| John White Plumbing | Backflow Testing | 7 mi |
| La Hydro-Jet | Backflow Testing | 9 mi |
Questions about Plumbquest Plumbing
Is Plumbquest Plumbing approved to test backflow assemblies?
Plumbquest Plumbing is on the EVMWD list and Olivenhain list, as of September 10, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.
What does Plumbquest Plumbing do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Plumbquest Plumbing serve?
They are based in Los Angeles, California, within driving distance of Los Angeles, Burbank, Signal Hill, Brea, Valencia. Its website names Los Angeles, Lancaster, Palmdale, Beverly Hills, Huntington Park and Burbank and 2 more places as areas it serves (read October 11, 2026).
How do I reach Plumbquest Plumbing?
Call (323) 933-6366. Their website is linked on this page.
Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.
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