Contractor GB-2 Practice Exam 100

New Mexico Residential Building Contractor (GB-2) Practice Exam 100 Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which entity licenses GB-2 Residential Building Contractors in New

Mexico?

• Department of Labor
• Construction Industries Division (CID)
• Environmental Protection Agency
• State Licensing Board

Rationale: CID regulates and licenses contractors in New Mexico.

• A GB-2 license allows construction on residential buildings of what

maximum number of stories?

• One story
• Seven stories 1 / 3

• Three stories
• Unlimited

Rationale: GB-2 covers residential buildings up to 3 stories.

• What code is primarily used for residential construction in NM?

A. UBC

• International Residential Code (IRC)
• NEC only
• BOCA Code

Rationale: New Mexico has adopted the IRC for residential

structures.

4. A contractor must notify CID of changes to business address within:

• 90 days
• 60 days
• 30 days
• 10 days

Rationale: State rules require reporting changes within 30 days.

• Who is responsible for obtaining building permits?
• Owner only
• Contractor
• Real estate agent
• Architect only

Rationale: Contractor typically pulls permits for work they perform. 2 / 3

6. Minimum headroom in stairways:

• 5'10"
• 6'2"
• 6'8"
• 7'6"

Rationale: IRC requires 6 ft 8 in minimum headroom.

7. Standard live load for sleeping rooms:

• 20 psf
• 30 psf
• 40 psf
• 50 psf

Rationale: Residential bedroom live load is 30 psf.

8. Minimum width of a residential hallway:

• 32"
• 30"
• 36"
• 40"

Rationale: IRC requires hallways to be at least 36" wide.

9. Guardrails are required for decks more than:

• 12" above grade
• 24"
• 30"
• / 3