Plumbing Contractor License Requirements in Texas

Overview — plumbing licensing in Texas

Texas requires a state-level plumbing contractor license, issued by the Texas State Board of Plumbing Examiners (TSBPE). The license verifies competence and consumer protection, and is required to legally bid and perform plumbing work in the state. Working without one when required is typically a misdemeanor and exposes the contractor to civil penalties — and the contract becomes unenforceable in court.

License classes available

Texas offers 4 plumbing license classes — pick based on the largest project you plan to bid:

• Master Plumber. Highest level. Required to own/operate a plumbing contracting business.
• Journeyman Plumber. Performs plumbing under master supervision.
• Tradesman Plumber-Limited. Limited to single-family dwellings.
• Plumbing Inspector. Inspects plumbing for code compliance.

Experience required

Master: 4 years as a journeyman + 1 additional year. Journeyman: 4 years as a registered apprentice.

Exam — what you're tested on

Texas requires a written examination administered by PSI Services on behalf of TSBPE. Topics covered:

• Texas Plumbing License Law
• International Plumbing Code with TX amendments
• Calculations

Passing score: 70%.

Fees

• Application fee: $75
• Initial license fee: $75
• Renewal fee: $75 ( annual)

Bond & insurance

Bond: Not required at the state level.

General liability insurance: Minimum $600,000.

Workers' compensation: Optional in TX (private employer choice) but most plumbers carry it.

Continuing education

Texas requires 6 hours of continuing education annual. CE must come from approved providers — verify a course is approved before paying. Required topics typically include:

• Texas plumbing code updates
• Safety

Reciprocity with other states

Texas has reciprocity agreements with: AR, GA, LA, ME, NC, OK, SC, TN, WY. Reciprocity typically waives the trade exam if you hold an equivalent license in good standing in the reciprocal state for at least one year. Each state still requires its own application and business/law exam.

Local permits and requirements

Most TX cities require plumbing permits. Houston, Dallas, San Antonio, Austin each have their own plumbing inspection regimes.

Common gotchas

Things that catch most applicants on their first license cycle in Texas:

• Apprentice registration mandatory from day one — unregistered hours don't count toward Journeyman.
• Tradesman Plumber-Limited is single-family only — easy to over-extend into multifamily and lose license.
• Annual renewal + 6-hour CE every year (6 hrs/yr is more than many states).
• Houston requires master plumber to be on-site during certain inspections — common cause of failed inspections.

Frequently asked questions

What are the four Texas plumbing license types?

Master (operates business), Journeyman (works under master), Tradesman Plumber-Limited (single-family only), and Plumbing Inspector (inspects code compliance). Most career plumbers progress Apprentice → Journeyman → Master.

How long does it take to become a Master Plumber in Texas?

Apprentice → Journeyman: 4 years (8,000 hours). Journeyman → Master: 4 years as Journeyman + 1 additional year + master exam. Total Master timeline: 8–9 years.

Does Texas require workers' comp for plumbers?

Texas is the only state where private-employer workers' comp is optional. But most plumbing companies carry it because GCs and major customers require it on bid documents.

How does Texas plumbing reciprocity work?

TX has reciprocity with 9 states for Master and Journeyman. Apply to TSBPE with proof of out-of-state license held 1+ year and current CE. Trade exam waived; TX law exam still required.

What's the Texas plumber CE requirement?

6 hours annually for Master, Journeyman, Tradesman. Must be TSBPE-approved providers. Many plumbing supply houses (Ferguson, Morrison) host approved CE.