NEW YORK HOME INSPECTOR LICENSE EXAM
WITH ACTUAL QUESTIONS,RATIONALES AND
VERIFIED ANSWERS | EXPERT VERIFIED FOR
GUARANTEED PASS | LATEST
UPDATE/DOWNLOAD PDF
1. What is the maximum rise allowed for a single step in a residential stairway according
to most building codes?
A. 6 inches
B. 7.75 inches
C. 8.5 inches
D. 9 inches
The International Residential Code (IRC) and most state codes, including New York,
limit stair risers to a maximum of 7.75 inches for safety.
2. Which tool is most appropriate for detecting moisture behind walls?
A. Infrared thermometer
B. Stud finder
C. Moisture meter
D. Hygrometer
A moisture meter directly measures the moisture content in building materials.
3. Which type of foundation is most susceptible to frost heave in cold climates?
A. Slab-on-grade
B. Pier and beam
C. Shallow crawl space
D. Full basement
Shallow foundations allow frost to penetrate beneath, causing heaving.
4. A double-tapped breaker is defined as:
A. Two breakers wired together
B. Two conductors connected to a single breaker terminal
C. Two panels connected to the same circuit
D. A breaker with excessive load
This is a wiring defect because most breakers are designed for only one conductor per
terminal.
,5. What is the minimum headroom clearance for residential stairs?
A. 6' 4"
B. 6' 8"
C. 7' 0"
D. 7' 6"
The IRC requires a minimum headroom clearance of 6 feet 8 inches for stairs.
6. Which roofing material typically has the shortest lifespan?
A. Clay tile
B. Slate
C. Asphalt shingles
D. Metal
Asphalt shingles typically last 15–30 years, shorter than tile, slate, or metal.
7. What is efflorescence?
A. Mold growth
B. Salt deposits on masonry
C. Wood decay
D. Rusting of steel
Efflorescence is the white crystalline salt deposit that forms on masonry surfaces due
to moisture migration.
8. In a home inspection, GFCI outlets should be tested in:
A. Only bathrooms
B. Only kitchens
C. Bathrooms, kitchens, garages, exterior outlets, and unfinished basements
D. All outlets in the home
GFCI protection is required in all wet or potentially damp areas.
9. Which pipe material is most susceptible to pinhole leaks due to corrosion?
A. PVC
B. Copper
C. PEX
D. CPVC
Copper piping can develop pinhole leaks from corrosion over time.
10. A sagging roof ridge line is most likely caused by:
A. Insufficient ventilation
B. Structural failure of rafters or ridge beam
C. Missing shingles
D. Heavy insulation
Sagging indicates possible structural damage or inadequate support.
, 11. What is the typical minimum slope for an asphalt shingle roof?
A. 1:12
B. 2:12
C. 4:12
D. 6:12
Most manufacturers recommend at least a 4:12 pitch for standard shingles to shed
water effectively.
12. Knob-and-tube wiring is:
A. Safe for heavy appliances
B. An obsolete wiring method that may lack grounding
C. Illegal to have in any home
D. A modern low-voltage system
Knob-and-tube wiring is outdated, often ungrounded, and not suitable for modern
loads.
13. Which window type is hinged at the top and opens outward?
A. Casement
B. Slider
C. Awning
D. Double-hung
Awning windows are hinged at the top and open outward to allow ventilation even
during rain.
14. In New York, home inspectors are prohibited from:
A. Walking on roofs
B. Offering to make repairs on inspected properties
C. Using ladders
D. Entering crawl spaces
State regulations prevent inspectors from performing repairs to avoid conflicts of
interest.
15. Which gas is colorless, odorless, and a common cause of lung cancer?
A. Carbon monoxide
B. Radon
C. Methane
D. Ozone
Radon is a radioactive gas that can accumulate indoors and is a major health hazard.
16. What is the primary purpose of a weep hole in a brick veneer wall?
A. Drain air
B. Provide ventilation
C. Allow water to drain out
WITH ACTUAL QUESTIONS,RATIONALES AND
VERIFIED ANSWERS | EXPERT VERIFIED FOR
GUARANTEED PASS | LATEST
UPDATE/DOWNLOAD PDF
1. What is the maximum rise allowed for a single step in a residential stairway according
to most building codes?
A. 6 inches
B. 7.75 inches
C. 8.5 inches
D. 9 inches
The International Residential Code (IRC) and most state codes, including New York,
limit stair risers to a maximum of 7.75 inches for safety.
2. Which tool is most appropriate for detecting moisture behind walls?
A. Infrared thermometer
B. Stud finder
C. Moisture meter
D. Hygrometer
A moisture meter directly measures the moisture content in building materials.
3. Which type of foundation is most susceptible to frost heave in cold climates?
A. Slab-on-grade
B. Pier and beam
C. Shallow crawl space
D. Full basement
Shallow foundations allow frost to penetrate beneath, causing heaving.
4. A double-tapped breaker is defined as:
A. Two breakers wired together
B. Two conductors connected to a single breaker terminal
C. Two panels connected to the same circuit
D. A breaker with excessive load
This is a wiring defect because most breakers are designed for only one conductor per
terminal.
,5. What is the minimum headroom clearance for residential stairs?
A. 6' 4"
B. 6' 8"
C. 7' 0"
D. 7' 6"
The IRC requires a minimum headroom clearance of 6 feet 8 inches for stairs.
6. Which roofing material typically has the shortest lifespan?
A. Clay tile
B. Slate
C. Asphalt shingles
D. Metal
Asphalt shingles typically last 15–30 years, shorter than tile, slate, or metal.
7. What is efflorescence?
A. Mold growth
B. Salt deposits on masonry
C. Wood decay
D. Rusting of steel
Efflorescence is the white crystalline salt deposit that forms on masonry surfaces due
to moisture migration.
8. In a home inspection, GFCI outlets should be tested in:
A. Only bathrooms
B. Only kitchens
C. Bathrooms, kitchens, garages, exterior outlets, and unfinished basements
D. All outlets in the home
GFCI protection is required in all wet or potentially damp areas.
9. Which pipe material is most susceptible to pinhole leaks due to corrosion?
A. PVC
B. Copper
C. PEX
D. CPVC
Copper piping can develop pinhole leaks from corrosion over time.
10. A sagging roof ridge line is most likely caused by:
A. Insufficient ventilation
B. Structural failure of rafters or ridge beam
C. Missing shingles
D. Heavy insulation
Sagging indicates possible structural damage or inadequate support.
, 11. What is the typical minimum slope for an asphalt shingle roof?
A. 1:12
B. 2:12
C. 4:12
D. 6:12
Most manufacturers recommend at least a 4:12 pitch for standard shingles to shed
water effectively.
12. Knob-and-tube wiring is:
A. Safe for heavy appliances
B. An obsolete wiring method that may lack grounding
C. Illegal to have in any home
D. A modern low-voltage system
Knob-and-tube wiring is outdated, often ungrounded, and not suitable for modern
loads.
13. Which window type is hinged at the top and opens outward?
A. Casement
B. Slider
C. Awning
D. Double-hung
Awning windows are hinged at the top and open outward to allow ventilation even
during rain.
14. In New York, home inspectors are prohibited from:
A. Walking on roofs
B. Offering to make repairs on inspected properties
C. Using ladders
D. Entering crawl spaces
State regulations prevent inspectors from performing repairs to avoid conflicts of
interest.
15. Which gas is colorless, odorless, and a common cause of lung cancer?
A. Carbon monoxide
B. Radon
C. Methane
D. Ozone
Radon is a radioactive gas that can accumulate indoors and is a major health hazard.
16. What is the primary purpose of a weep hole in a brick veneer wall?
A. Drain air
B. Provide ventilation
C. Allow water to drain out
