Trident Plumbing LLC, Marrero, LA: Backflow Testing

Certification

✓ On Louisiana's certified backflow tester roster Phone matches its Google profile

Certified tester	Certificate	Expires
Donna L Baldwin		February 2027

From the Louisiana Department of Health roster, read October 7, 2026. The roster lists people, not companies; these are the certified testers it lists for this business. Ask which tester will do your test, and your utility may also require the tester to be registered with it.

Call (504) 940-7878 More testers in Louisiana

Price reports

What a backflow test costs in Marrero

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Published prices nationwide

$29.99 to $100 per assembly

$0$25$50$75$100$125

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

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.

Where you will find Trident Plumbing LLC

These are the city pages close enough for this business to appear on.

Gretna, LA(7 mi)
Mandeville, LA(38 mi)

Other backflow testers nearby

Business	Services	Distance
Anywhere Plumbing Repair	Backflow Testing	6 mi
Noel's Plumbing, LLC	Backflow Testing	7 mi
James T. Broussard's Plumbing	Backflow Testing	9 mi
Coastal Fire Protection	Backflow Testing	9 mi
Elite Southern Solutions	Backflow Testing	12 mi
Siemens	Backflow Testing	15 mi

Questions about Trident Plumbing LLC

Is Trident Plumbing LLC licensed?

Yes. Louisiana records showed an active certificate when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does Trident Plumbing LLC do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does Trident Plumbing LLC serve?

They are based in Marrero, Louisiana, within driving distance of Gretna, Mandeville. Service areas are set by the business, so confirm yours when you call.

How do I reach Trident Plumbing LLC?

Call (504) 940-7878.

Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.

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