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Certified backflow testers in Gretna, LA

8 backflow testing businesses work within 25 miles of Gretna, 2 of them based in town. Every one has testers on Louisiana's certified backflow tester roster.

8 businesses within 25 miles
1 for-hire testers based in Gretna

Certified backflow testers near Gretna

What the badges mean
✓ LA Certified Backflow Tester Verified
A state roster lists at least one certified tester at this business, with a current certificate. The state sets the exam and renewal.
3 certified testers
How many certified testers the roster lists at this business.
★ 4.8 (25 reviews)
The Google rating, shown as Google reports it. It does not change the order.

Order is by our quality score, never by payment. How we verify listings.

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Trident Plumbing LLC

80/100
✓ LA Certified Backflow Tester Verified ★ 3 (4 reviews) Backflow Testing

4920 Leo Kerner Pkwy, Marrero, LA 70072 · 7 mi from Gretna

Call (504) 940-7878 Details
Verified Oct 2026 · Unclaimed listing

Siemens

90/100
✓ LA Certified Backflow Tester Verified ★ 4.4 (8 reviews) Backflow Testing

150 Teal St Ste 100, St Rose, LA 70087 · 15 mi from Gretna

Call (985) 343-9405 Details Website
Verified Oct 2026 · Unclaimed listing

Price reports

What a backflow test costs in Gretna

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Published prices nationwide

$29.99 to $100 per assembly

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.

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Backflow testing questions in Gretna

Where are the backflow testing businesses listed for Gretna based?

8 backflow testing businesses are listed within 25 miles of Gretna. 2 are based in Gretna itself, 4 more within 15 miles and 2 further out, up to 22 miles away. The closest is Anywhere Plumbing Repair, under 1 mile from Gretna.

Which tester lists are the businesses near Gretna on?

Every one has testers on Louisiana's certified backflow tester roster. The Louisiana Department of Health roster was read October 7, 2026. It lists 1 for-hire tester based in Gretna itself.

How many of the backflow testing businesses near Gretna have Google reviews?

7 of the 8 listed for Gretna have 3 or more Google reviews. Affordable Plumbing Repair has the most reviews, 149, with an average of 4.8 stars, as Google showed them at our last check.

Roster: Louisiana Department of Health, read October 7, 2026.

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