It issues state licenses for general contractors, electrical contractors, plumbing contractors, HVAC contractors and roofing contractors. Use the official lookup below to check a contractor. Information as of October 6, 2026.
The LSLBC search finds contractors by name, license number, city, parish, type or qualifying party. source LSLBC search results are live, so the license status shown is current. source Check individual plumbers on the State Plumbing Board roster, which is offered for license verification only. source
Confirm the record is active and the class matches the job (Commercial License (Building Construction, classification 1) or Residential License (Residential Construction, classification 9) or Home Improvement Registration or Mold Remediation License). The board's own record governs. A license is required for jobs above Commercial license required for commercial projects of $50,000 or more including labor and materials; a residential license is required above $50,000. source
Check the bond and insurance on the record against the state minimums: General liability insurance of at least $500,000 plus workers' compensation for residential, home improvement and mold remediation contractor. source
File a complaint against a contractor with the LSLBC online or by PDF form. source File a complaint against a plumber with the State Plumbing Board; an enforcement officer will contact you. source
Homeowner protections in Louisiana
A residential, home improvement or mold contractor who fails to give you in writing, on request, their name, license number, classification and insurance certificates is breaking the law. source
The board cannot open a proceeding on a complaint more than five years after the act or omission. source
Get licensed
For a general contractor working in Louisiana.
Apply to Louisiana State Licensing Board for Contractors as a Commercial License (Building Construction, classification 1) or Residential License (Residential Construction, classification 9) or Home Improvement Registration or Mold Remediation License.
Trade exam for the classification (for example Building Construction or Residential Construction) plus the Business and Law requirement. source
Carry general liability insurance of at least $500,000 plus workers' compensation for residential, home improvement and mold remediation contractor. source
Pay the license fee, which state law caps at no more than $100: $100. source
License renews on the issue anniversary for a one, two or three year term chosen by the licensee. source
Trade exam for the classification (for example Building Construction or Residential Construction) plus the Business and Law requirement. source
Experience
Not found on an official source. No experience requirement found on an official source.
Bond
Not found on an official source. On an official source.
Insurance
General liability insurance of at least $500,000 plus workers' compensation for residential, home improvement and mold remediation contractor. source
Renewal
License renews on the issue anniversary for a one, two or three year term chosen by the licensee. source
Reciprocity
Louisiana accepts a trade exam passed in another state without waivers or grandfathering; all other licensing requirements still apply (board letter of October 23, 2024). source
Fees
License fee, which state law caps at no more than $100. source
Classification fee of $95 per classification per year. source
Business and Law exam fee of $150, charged for the Business and Law requirement. source
Exam research or waiver fee of $150 when no trade exam is required, for example by reciprocity. source
Examination fee, which state law caps at no more than $50 (the board's form charges $150 for Business and Law). source
Renewal fee, which state law caps at no more than $100. source
Extra surcharge for contractors not domiciled in Louisiana, up to a statutory maximum of $400. source
Home improvement registration fee, which state law caps at no more than $50. source
ElectricalSources checked October 6, 2026
Exam
Trade exam for the classification plus the Business and Law requirement. source
Experience
Not found on an official source. No experience requirement found on an official source.
Bond
Not found on an official source. On an official source.
Insurance
Not found on an official source. No insurance minimum found for commercial classifications; the state minimum applies to residential, home improvement and mold remediation.
Renewal
License renews on the issue anniversary for a one, two or three year term chosen by the licensee. source
Reciprocity
Louisiana accepts a trade exam passed in another state without waivers or grandfathering; all other licensing requirements still apply (board letter of October 23, 2024). source
Fees
License fee, which state law caps at no more than $100. source
Classification fee of $95 per classification per year. source
Business and Law exam fee of $150, charged for the Business and Law requirement. source
Exam research or waiver fee of $150 when no trade exam is required, for example by reciprocity. source
Examination fee, which state law caps at no more than $50 (the board's form charges $150 for Business and Law). source
Renewal fee, which state law caps at no more than $100. source
Extra surcharge for contractors not domiciled in Louisiana, up to a statutory maximum of $400. source
PlumbingSources checked October 6, 2026
Exam
Three-part written Master Plumber exam from the State Plumbing Board. source
Experience
Master exam requires a current journeyman license; the journeyman exam requires 8,000 hours of supervised plumbing work (7,000 for indentured apprentices). source
Bond
Not found on an official source. On an official source.
Insurance
Active master plumbers must keep general liability, workers' compensation and service vehicle liability insurance on file; no minimum amount found. source
Renewal
Plumbing licenses renew every year by December 31, with 5 hours of continuing education for active master. source
Reciprocity
No reciprocity for master plumber licenses; journeyman reciprocity only with Texas and Arkansa. source
Fees
Master Plumber exam application fee of $110. source
Active Master Plumber license fee of $190 after passing the exam. source
Journeyman Plumber exam application fee of $135. source
Initial Journeyman Plumber license fee of $50. source
LSLBC classification fee of $95 per classification per year, for the commercial plumbing license needed on jobs of $10,000 or more. source
HVACSources checked October 6, 2026
Exam
Trade exam for the classification plus the Business and Law requirement. source
Experience
Not found on an official source. No experience requirement found on an official source.
Bond
Not found on an official source. On an official source.
Insurance
Not found on an official source. No insurance minimum found for commercial classifications; the state minimum applies to residential, home improvement and mold remediation.
Renewal
License renews on the issue anniversary for a one, two or three year term chosen by the licensee. source
Reciprocity
Louisiana accepts a trade exam passed in another state without waivers or grandfathering; all other licensing requirements still apply (board letter of October 23, 2024). source
Fees
License fee, which state law caps at no more than $100. source
Classification fee of $95 per classification per year. source
Business and Law exam fee of $150, charged for the Business and Law requirement. source
Exam research or waiver fee of $150 when no trade exam is required, for example by reciprocity. source
Examination fee, which state law caps at no more than $50 (the board's form charges $150 for Business and Law). source
Renewal fee, which state law caps at no more than $100. source
Extra surcharge for contractors not domiciled in Louisiana, up to a statutory maximum of $400. source
RoofingSources checked October 6, 2026
Exam
Residential roofing trade exam, plus the Business and Law requirement. source
Experience
Not found on an official source. No experience requirement found on an official source.
Bond
Not found on an official source. On an official source.
Insurance
General liability insurance of at least $500,000 plus workers' compensation for residential, home improvement and mold remediation contractor. source
Renewal
License renews on the issue anniversary for a one, two or three year term chosen by the licensee. source
Reciprocity
Louisiana accepts a trade exam passed in another state without waivers or grandfathering; all other licensing requirements still apply (board letter of October 23, 2024). source
Fees
License fee, which state law caps at no more than $100. source
Classification fee of $95 per classification per year. source
Business and Law exam fee of $150, charged for the Business and Law requirement. source
Exam research or waiver fee of $150 when no trade exam is required, for example by reciprocity. source
Examination fee, which state law caps at no more than $50 (the board's form charges $150 for Business and Law). source
Renewal fee, which state law caps at no more than $100. source
Extra surcharge for contractors not domiciled in Louisiana, up to a statutory maximum of $400. source
Questions
Does Louisiana require a contractor license?
Yes, in most cases Louisiana requires a state license for general contractors. Commercial license required for commercial projects of $50,000 or more including labor and materials; a residential license is required above $50,000. The Louisiana State Licensing Board for Contractors issues it as one of several credentials, such as Commercial License (Building Construction, classification 1), Residential License (Residential Construction, classification 9) or Home Improvement Registration.
How do I look up a contractor license in Louisiana?
The Louisiana State Licensing Board for Contractors keeps the record for general contractors in Louisiana. Use the official lookup linked in the Look up a license table, and treat the board's own record as final.
How do I look up an electrician license in Louisiana?
The Louisiana State Licensing Board for Contractors keeps the record for electrical contractors in Louisiana.
How do I look up a plumbing license in Louisiana?
The State Plumbing Board of Louisiana (individual plumbers); Louisiana State Licensing Board for Contractors (Plumbing classification for jobs over $10,000) keeps the record for plumbing contractors in Louisiana.
Does Louisiana have an HVAC license?
The Louisiana State Licensing Board for Contractors keeps the record for HVAC contractors in Louisiana.
Do roofers need a license in Louisiana?
The Louisiana State Licensing Board for Contractors keeps the record for roofing contractors in Louisiana.