Texas Plumbing Contractor License Exam 2026 – 190 Practice
Questions and Answers with Detailed Rationales, Plumbing Codes
and Regulations, Water Supply Systems, Drainage and Venting, Pipe
Installation, Fixtures, Troubleshooting, Safety Standards, Business
and Law & TSBPE Licensing Preparation
PART 1 — TEXAS PLUMBING LICENSE LAW & BOARD RULES (Questions 1–40)
Question 1
Which Texas state agency is responsible for licensing plumbing contractors and administering
plumbing examinations?
A. Texas Department of Licensing and Regulation
B. Texas State Board of Plumbing Examiners
C. Texas Commission on Environmental Quality
D. Texas Department of Insurance
Correct Answer: B
Explanation: The TSBPE regulates plumbing licensing, examinations, and enforcement under
Chapter 1301 of the Texas Occupations Code.
Question 2
Under Texas law, which license category represents the highest level of individual plumbing
licensure and carries responsibility for plumbing work performed under the license?
A. Journeyman Plumber
B. Master Plumber
,C. Tradesman Plumber-Limited
D. Plumbing Inspector
Correct Answer: B
Explanation: The Master Plumber is the highest individual license, skilled in design, planning,
and supervision, and alone or through those supervised performs plumbing work.
Question 3
A Responsible Master Plumber (RMP) may act as the RMP of record for how many entities at
one time?
A. One
B. Two
C. Three
D. Unlimited
Correct Answer: A
Explanation: Board Rules §367.5 states a Master Plumber may act as RMP of record for only
one person at a time.
Question 4
How many business days does an RMP have to notify the Board after being removed from or
added as an RMP of record?
A. Five
,B. Seven
C. Ten
D. Fourteen
Correct Answer: C
Explanation: The RMP must submit written notification to the Board within ten business
days after the effective date of the change.
Question 5
A Tradesman Plumber-Limited may directly supervise a Plumber's Apprentice on which type
of job site?
A. Any commercial building
B. One and two-family dwellings
C. Multi-story apartment complexes
D. Industrial facilities
Correct Answer: B
Explanation: A Tradesman Plumber-Limited may directly supervise an apprentice on one and
two-family dwelling job sites under RMP supervision.
Question 6
What is the minimum experience requirement in plumbing trade hours for a Tradesman
Plumber-Limited examination applicant?
, A. 1,000 hours
B. 2,000 hours
C. 4,000 hours
D. 8,000 hours
Correct Answer: C
Explanation: The TSBPE requires at least 4,000 hours of experience working in the plumbing
trade for Tradesman Plumber-Limited applicants.
Question 7
Which written examination authorization is valid for up to how many attempts?
A. Three
B. Four
C. Five
D. Six
Correct Answer: C
Explanation: The initial written examination authorization from Pearson is good for up to five
attempts.
Question 8
After a first failed written examination attempt, how long must a candidate wait before
retesting?
Questions and Answers with Detailed Rationales, Plumbing Codes
and Regulations, Water Supply Systems, Drainage and Venting, Pipe
Installation, Fixtures, Troubleshooting, Safety Standards, Business
and Law & TSBPE Licensing Preparation
PART 1 — TEXAS PLUMBING LICENSE LAW & BOARD RULES (Questions 1–40)
Question 1
Which Texas state agency is responsible for licensing plumbing contractors and administering
plumbing examinations?
A. Texas Department of Licensing and Regulation
B. Texas State Board of Plumbing Examiners
C. Texas Commission on Environmental Quality
D. Texas Department of Insurance
Correct Answer: B
Explanation: The TSBPE regulates plumbing licensing, examinations, and enforcement under
Chapter 1301 of the Texas Occupations Code.
Question 2
Under Texas law, which license category represents the highest level of individual plumbing
licensure and carries responsibility for plumbing work performed under the license?
A. Journeyman Plumber
B. Master Plumber
,C. Tradesman Plumber-Limited
D. Plumbing Inspector
Correct Answer: B
Explanation: The Master Plumber is the highest individual license, skilled in design, planning,
and supervision, and alone or through those supervised performs plumbing work.
Question 3
A Responsible Master Plumber (RMP) may act as the RMP of record for how many entities at
one time?
A. One
B. Two
C. Three
D. Unlimited
Correct Answer: A
Explanation: Board Rules §367.5 states a Master Plumber may act as RMP of record for only
one person at a time.
Question 4
How many business days does an RMP have to notify the Board after being removed from or
added as an RMP of record?
A. Five
,B. Seven
C. Ten
D. Fourteen
Correct Answer: C
Explanation: The RMP must submit written notification to the Board within ten business
days after the effective date of the change.
Question 5
A Tradesman Plumber-Limited may directly supervise a Plumber's Apprentice on which type
of job site?
A. Any commercial building
B. One and two-family dwellings
C. Multi-story apartment complexes
D. Industrial facilities
Correct Answer: B
Explanation: A Tradesman Plumber-Limited may directly supervise an apprentice on one and
two-family dwelling job sites under RMP supervision.
Question 6
What is the minimum experience requirement in plumbing trade hours for a Tradesman
Plumber-Limited examination applicant?
, A. 1,000 hours
B. 2,000 hours
C. 4,000 hours
D. 8,000 hours
Correct Answer: C
Explanation: The TSBPE requires at least 4,000 hours of experience working in the plumbing
trade for Tradesman Plumber-Limited applicants.
Question 7
Which written examination authorization is valid for up to how many attempts?
A. Three
B. Four
C. Five
D. Six
Correct Answer: C
Explanation: The initial written examination authorization from Pearson is good for up to five
attempts.
Question 8
After a first failed written examination attempt, how long must a candidate wait before
retesting?
