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Lafayette Parish, LA Building Safety: Plumbing Permits (2026)

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

Key Facts

Plumbing code adopted
International Plumbing Code, latest LSUCCC edition
Contractor registration
Required annually, Jan. 1–Dec. 31
Permit gate
No permit without valid registration
Late-start penalty
Fee doubles if work starts first
Territorial reach
City of Lafayette and unincorporated parish

Summary

Lafayette City-Parish Consolidated Government adopts the International Plumbing Code for all plumbing work, and no permit will issue unless the contractor is registered with the department, in both the City of Lafayette and unincorporated parish.

City-specific rules exist: Lafayette has its own plumbing permits rules that differ from Lafayette Parish's county-level regulations. If you live in Lafayette, check the city-specific page instead.

The International Plumbing Code, the latest and most current edition adopted by the LSUCCC, including Chapter 1 as amended by reference above, is hereby adopted.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 65).

Full Breakdown

Sec. 26-432 adopts the latest International Plumbing Code, and Sec. 26-431 adopts the International Fuel/Gas Code, both administered by Community Development and Planning. Before doing plumbing or gasfitting work, a business must first register annually with the department (Sec. 26-35); Sec. 26-35(a) bars issuing any permit to an unregistered contractor. Sec. 26-33 makes chapter 26 apply in both the City of Lafayette and unincorporated Lafayette Parish, not the unincorporated area alone. Permit fees follow the council's adopted fee schedule (Sec. 26-37).

Violations & Fines

Doing plumbing work without a valid annual contractor registration blocks permit issuance outright under Sec. 26-35(a). Starting work before a permit is applied for or issued doubles the required fee under Sec. 26-37, and unregistered contractors risk registration suspension or revocation.

Frequently Asked Questions

Does this cover plumbing work inside the City of Lafayette, or just the unincorporated parish?
Both. Sec. 26-33 states chapter 26 applies "in the City of Lafayette and unincorporated Lafayette Parish," so city plumbing work is covered too, not just outside city limits.
Can any licensed plumber pull a Lafayette permit?
Only if registered with Community Development and Planning first. Sec. 26-35(a) says no permit issues to a plumbing contractor without a current, unrevoked registration.
What happens if I start plumbing work before getting a permit?
The permit fee is doubled under Sec. 26-37, on top of whatever penalties apply for unpermitted work under the adopted International Plumbing Code.

Sources & Official References

Other rules in Lafayette Parish

All Lafayette Parish rules

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Plumbing Permits in Cities Across Lafayette Parish