How often do I need to renew my Mechanical Contractor License in Louisiana?

The Mechanical Contractor License in Louisiana must be renewed every 12 months.

How much does it cost to renew a Mechanical Contractor License in Louisiana?

The renewal cost for a Mechanical Contractor License in Louisiana is $100.00.

What happens if my Mechanical Contractor License expires in Louisiana?

Performing mechanical contracting without a valid Louisiana license is a criminal offense. Penalties include fines up to $500 and/or imprisonment up to 6 months for first offenses.

Louisiana renewal guide

Mechanical Contractor License

If this license is up for renewal, this page gives you the fee, the timeline, and the items that usually hold the filing up.

Start here

What matters before you file.

Check the fee, the renewal window, and the documents or insurance records that can slow approval down.

Issuing authority

Louisiana State Licensing Board for Contractors (LSLBC)

Renewal period

Every 12 months

Renewal fee

$100.00

Late penalty

$125.00

Bond requirement

No

Insurance requirement

Yes — General Liability, Workers' Compensation

Before you renew

Get the filing straight.

1
Check the insurance certificates

Make sure the required policies are current and match what the board or agency expects before you file.
2
File with the board

File through Louisiana State Licensing Board for Contractors (LSLBC) and pay the $100.00 renewal fee once the supporting proof is ready.
Renew online
3
Leave room for processing

Typical processing time is 60 days, so do not wait until the last minute.

If you miss the deadline, the late penalty is $125.00, with a 30-day grace period.

Detailed notes

The fine print is here.

Louisiana Mechanical Contractor License

The LSLBC licenses mechanical contractors for piping, sheet metal, and industrial mechanical work on projects valued at $50,000 or more. This is distinct from the HVAC-specific classification.

Requirements

Experience: Minimum 4 years of mechanical contracting experience
Examination: Must pass the LSLBC mechanical contractor trade exam and business law exam
Financial Statement: CPA-prepared financial statement required
Insurance: General liability and workers' compensation required
Application Fee: ~$340 for a single classification (fees vary by number of classifications)

Continuing Education

No continuing education required for commercial mechanical contractors. Residential contractors must complete 6 hours per year.

Renewal Information

Renewal Period: Annual
Renewal Fee: $250
Late Penalty: $125 within 30-day grace period

Renewal Fee: $100

Louisiana Industrial Sector

Louisiana's petrochemical industry creates significant demand for licensed mechanical contractors, particularly for process piping, industrial HVAC, and refinery maintenance work.

Scope of Work

Covers installation, alteration, and repair of mechanical systems including process piping, sheet metal, industrial equipment, and related work on projects valued at $50,000 or more.

*Disclaimer: This information is provided for general reference only and does not constitute legal advice. Always verify current requirements directly with the Louisiana LSLBC.*

Official links