Career upgrade: Learn practical AI skills for better jobs and higher pay.
Level up
All Practice Exams

100+ Free NM GS-21 Roofing Contractor Practice Questions

Pass your New Mexico GS-21 Roofing Contractor Exam exam on the first try — instant access, no signup required.

✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately
100+ Questions
100% Free
1 / 100
Question 1
Score: 0/0

What is the standard method for attaching asphalt shingles in a non-high-wind area?

A
B
C
D
to track
2026 Statistics

Key Facts: NM GS-21 Roofing Contractor Exam

75%

Passing Score (Each Section)

PSI / NM CID

100 Q

Practice Questions

OpenExamPrep

110 Q

Exam Questions (60+50)

PSI

$68.88

Exam Fee

PSI

2 yrs

Experience Required

NM CID

New Mexico requires GS-21 roofing contractors to pass a PSI-administered open-book exam with a 60-question trade section and a 50-question business & law section, each requiring 75%. Two years of roofing experience is required.

Sample NM GS-21 Roofing Contractor Practice Questions

Try these sample questions to test your NM GS-21 Roofing Contractor exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the New Mexico roofing contractor license classification?
A.GS-10
B.GS-15
C.GS-21
D.GB-2
Explanation: The New Mexico roofing contractor license is classified as GS-21 under the Construction Industries Division (CID). This classification covers all types of roofing work including steep-slope, low-slope, built-up, and waterproofing.
2Which state agency regulates roofing contractor licensing in New Mexico?
A.NM Department of Workforce Solutions
B.NM Construction Industries Division (CID) under the Regulation and Licensing Department
C.NM Department of Commerce
D.NM Building Authority
Explanation: The New Mexico Construction Industries Division (CID), part of the Regulation and Licensing Department (RLD), regulates all construction trade licensing in the state, including the GS-21 Roofing Contractor license.
3Who administers the New Mexico GS-21 roofing contractor exam?
A.Prometric
B.Pearson VUE
C.PSI
D.ProvExam
Explanation: PSI administers the New Mexico GS-21 roofing contractor exam on behalf of the NM Construction Industries Division. Candidates schedule through PSI after receiving CID approval.
4How many questions are on the NM GS-21 trade portion of the exam?
A.40 questions
B.50 questions
C.60 questions
D.80 questions
Explanation: The NM GS-21 roofing contractor trade exam consists of 60 questions with a time limit of 150 minutes (2.5 hours). A separate 50-question business and law section is also required.
5How many questions are on the NM business and law (B&L) portion of the exam?
A.30 questions
B.40 questions
C.50 questions
D.60 questions
Explanation: The NM business and law exam consists of 50 questions with a 130-minute time limit. This section covers NM construction law, contracts, liens, insurance, bonding, and business management.
6What is the passing score for each section of the NM GS-21 roofing exam?
A.60% on each section
B.65% on each section
C.70% on each section
D.75% on each section
Explanation: New Mexico requires a passing score of 75% on each section separately — the 60-question trade exam and the 50-question business and law exam. Both sections must be passed to obtain the GS-21 license.
7What is the exam fee for the NM GS-21 roofing contractor exam?
A.$50.00
B.$60.00
C.$68.88
D.$96.00
Explanation: The NM GS-21 roofing contractor exam fee is $68.88, paid to PSI when scheduling. Additional fees apply for the license application through the NM Construction Industries Division.
8What is the minimum experience requirement for a NM GS-21 roofing contractor license?
A.1 year
B.2 years of verifiable roofing experience
C.4 years
D.No experience required
Explanation: New Mexico requires a minimum of 2 years of verifiable roofing experience to qualify for the GS-21 Roofing Contractor license. Experience must be documented and verified as part of the application process.
9Is the NM GS-21 roofing contractor exam open-book or closed-book?
A.Closed-book only
B.Open-book — approved reference materials are allowed
C.Half open-book, half closed-book
D.It varies by testing location
Explanation: The NM GS-21 roofing contractor exam is open-book, meaning candidates may bring approved reference materials into the testing center. This includes code books and reference texts specified by the NM Construction Industries Division.
10What time limit is given for the NM GS-21 trade exam?
A.60 minutes
B.90 minutes
C.150 minutes (2.5 hours)
D.180 minutes
Explanation: The NM GS-21 roofing contractor trade exam allows 150 minutes (2.5 hours) to complete 60 questions. The separate business and law section has a 130-minute time limit for 50 questions.

About the NM GS-21 Roofing Contractor Exam

The New Mexico GS-21 Roofing Contractor exam is administered by PSI and consists of a 60-question trade section (150 minutes) and a 50-question business and law section (130 minutes). Both sections are open-book and require a 75% passing score. Topics include estimating, plan reading, surface preparation, steep and low slope roofing, BUR, waterproofing, components, and safety.

Questions

110 scored questions

Time Limit

150 min (trade) + 130 min (B&L)

Passing Score

75% on each section

Exam Fee

$68.88 (PSI / NM Construction Industries Division)

NM GS-21 Roofing Contractor Exam Content Outline

25%

Roofing Systems

Steep-slope and low-slope roofing systems, built-up roofing (BUR), waterproofing, and repair methods

20%

Estimating & Plan Reading

Roof area calculations, material takeoffs, blueprint reading, waste factors, bid preparation, and specifications

15%

Surface Prep & Planning

Deck inspection, surface preparation, moisture testing, existing roof assessment, and project planning

15%

Components & Materials

Flashing, fasteners, insulation, underlayment, ventilation, drains, edge details, and material storage

15%

Safety & OSHA

Fall protection, scaffolding, hazard communication, hot material handling, personal protective equipment

10%

State Law & Business

NM Construction Industries Division regulations, licensing, lien law, contracts, insurance, and bonding

How to Pass the NM GS-21 Roofing Contractor Exam

What You Need to Know

  • Passing score: 75% on each section
  • Exam length: 110 questions
  • Time limit: 150 min (trade) + 130 min (B&L)
  • Exam fee: $68.88

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

NM GS-21 Roofing Contractor Study Tips from Top Performers

1Focus on estimating and plan reading — roof area calculations, material takeoffs, waste factors, and bid preparation
2Know the differences between steep-slope and low-slope systems including BUR and waterproofing applications
3Study OSHA fall protection requirements thoroughly, including hot material handling safety for built-up roofing
4Review NM Construction Industries Division regulations, licensing classifications, and lien law
5Practice surface preparation assessment — moisture testing, deck inspection, and existing roof evaluation

Frequently Asked Questions

What does the New Mexico GS-21 roofing contractor exam cover?

The NM GS-21 exam covers estimating and plan reading, surface preparation and planning, steep and low slope roofing (including BUR and waterproofing), roofing components, safety, and NM business and law. It has a 60-question trade section and a 50-question B&L section.

What is the passing score for the NM GS-21 roofing exam?

You must score at least 75% on each section separately — the 60-question trade section and the 50-question business and law section. Both are open-book.

How much does the NM GS-21 roofing exam cost?

The exam fee is $68.88 per attempt, paid to PSI when scheduling. Additional fees apply for the license application through the NM Construction Industries Division.

What experience is required for the NM GS-21 roofing license?

New Mexico requires a minimum of 2 years of verifiable roofing experience to qualify for the GS-21 Roofing Contractor license. You must also pass both sections of the PSI-administered exam.