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Gretna, LA Building Safety: Plumbing Permits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
Gretna Code of Ordinances § 10-44
Application fee
$15.00 nonrefundable per filing
Sewer connection fee
$50.00 up to 100 feet, $65.00 beyond
Takeover fee
$65.00 total for a contractor change
Violation fee
$300.00 for unfiled/unpermitted plumbing work
Backflow devices
Required commercially, up to $500.00 fine, § 10-199

Summary

In the City of Gretna, anyone doing new plumbing construction, additions, or alterations has to be a properly licensed plumber and file a written application for inspection with the building official before work starts, under Code of Ordinances § 10-44. A $15.00 nonrefundable application fee applies to every filing, on top of the itemized fee schedule for sewers, water lines, fixtures, and backflow devices.

(a)Schedule of filing fees. Persons performing new construction, additions, and/or alterations of any plumbing service system shall be properly licensed and shall first make a written application for an inspection (filing) with the building official and pay the fees listed below. In addition, a non-refundable application fee of $15.00 for each application filed shall be required.

Full Breakdown

Section 10-44, in Chapter 10, Article V, Division 1, sets the plumbing permitting process for new construction, additions, and alterations to any plumbing service system in Gretna. 00 for a swimming pool, lawn sprinkler, or water softener hookup. 00, before any further inspection is scheduled. Separately, § 10-247 requires its own new permit whenever a second master plumber finishes rough work that a first plumber started, and the plumbing inspector has to certify the first plumber's work before that second permit is valid. 00 fine or termination of water utility service for noncompliance. 00 charge for a new or rebuilt backflow test.

Violations & Fines

Doing plumbing work under an unfiled or unpermitted application triggers an investigation under § 10-44(c), and the building official can impose a $300.00 violation fee on top of the required filing fees. A contractor switch mid-job without paying the $65.00 takeover fee under § 10-44(b) halts any further inspection. Commercial backflow-prevention violations under § 10-199 draw a fine up to $500.00 or termination of water service. The Code's general penalty at § 1-8 otherwise caps fines at $500.00 per continuing day.

Frequently Asked Questions

Do I need a permit for a lawn sprinkler system in Gretna?
Yes. Section 10-44(a) lists a lawn sprinkler installation as its own line item in the plumbing filing-fee schedule, at $50.00, on top of the $15.00 nonrefundable application fee every plumbing filing carries. A properly licensed plumber has to file that application with the building official before starting the work.
What happens if I switch plumbing contractors mid-job in Gretna?
The new, properly licensed plumbing contractor has to pay a $50.00 takeover fee plus the $15.00 minimum application fee, a total of $65.00, before the building inspections department will schedule any further inspection, under § 10-44(b).
Does Gretna require backflow preventers on commercial plumbing?
Yes. Section 10-199 requires every commercial establishment covered by the Louisiana Plumbing Code to install backflow prevention devices, and noncompliance draws a fine up to $500.00 or termination of the water utility account.

Sources & Official References

Other rules in Gretna

All Gretna rules

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