FREE ICC B1 Residential Building Inspector Exam Guide 2026 (2024 IRC, 60 Qs, Pass First Try)
Video
According to the IRC, what is the minimum width of a hallway in a residential dwelling?
Building Planning
Question · Easy
Free 2026 ICC B1 Residential Building Inspector guide: 60 open-book questions, 2 hours, 75 scaled pass, 2024 IRC content outline, 8-week plan, salary data, and tabbing strategy.
Blog
Scope of the IRC (which buildings the B1 inspector covers)
Code Administration
Flashcard
What is the maximum riser height for residential stairs as specified by the IRC?
Official building authorization that must be kept on the job site and becomes invalid if work does not start within 180 days of issuance.
Guess the Term
Chapter 1: ICC B1 Orientation and Exam Strategy
1.1 Current ICC B1 Exam Facts
Study guide
Cheat sheet
What is the minimum depth required for a residential footing in areas subject to frost?
Footings And Foundations
Read the clue and guess the term in 6 tries.
Game
Who has authority to interpret and enforce the code?
What is the minimum thickness of a residential concrete slab-on-grade per the IRC?
FREE ICC E1 Residential Electrical Inspector Exam Guide 2026 (NEC 2020/2023, 60 Qs, Pass First Try)
Free 2026 ICC E1 Residential Electrical Inspector guide: 60 open-book questions, 2 hours, 75 scaled passing score, NEC content outline, NEC tabbing strategy, 6-week study plan, salary data.
Formal written citation served by the building official under IRC Section R113.2 directing a responsible party to stop an illegal condition and abate a code violation.
According to the IRC, what is the minimum ceiling height for habitable rooms?
When is a building permit required?
What is the minimum bearing width for a standard residential footing supporting a two-story wood-frame wall on normal soil?
Question · Medium
Attached vehicle space prohibited from opening directly into a sleeping room and separated from habitable rooms above by at least 5/8-inch Type X gypsum board.
1.2 Eligibility, Application, and Scheduling
What is the maximum span for a 2x10 floor joist at 16 inches on center using No. 2 Douglas Fir-Larch lumber in a living area?
Floor Construction
Question · Hard
Swap tiles to line up three of the same term.
Term Match
What does a Certificate of Occupancy signify?
What minimum fire-resistance rating is required for a garage separation wall from the dwelling per the IRC?
Wall Construction And Coverings
Finished ground level adjoining exterior foundation walls that must fall at least 6 inches within the first 10 feet to divert surface water away from a dwelling.
What is the required minimum width for an emergency escape and rescue opening (egress window) per the IRC?
Required inspections sequence (general order)
According to the IRC, what is the minimum tread depth for residential stairs?
Shallow contoured surface channel permitted by IRC Section R401.3 to carry runoff away from a foundation where lot lines prevent 6 inches of fall within 10 feet.
1.3 Blueprint Domains and Weighting
What is the minimum required thickness for a poured concrete foundation wall that is 8 feet tall with unbalanced backfill of 5 feet or less?
Flip two cards at a time to find matching terms.
Term Pairs
Minimum ceiling height for habitable rooms and bathrooms
What is the minimum required height for residential guardrails at open sides of stairways per the IRC?
Grade-level space open and unobstructed to the sky, bounded on three or more sides by building walls, onto which required glazed or escape openings may face.
At what height above grade are guards required on residential decks and porches per the IRC?
Public Safety
Minimum area for a habitable room
What is the minimum size of a habitable room per the IRC (excluding kitchens)?
Subsurface freezing hazard that permanent footings must extend below per Table R301.2 unless insulated as a shallow foundation in a building kept at 64 degrees Fahrenheit or warmer.
Footings and Foundations
1.4 Open-Book IRC Navigation Strategy
What type of nailing is required to attach roof sheathing to rafters per the IRC?
Roof Ceiling Construction
Find five hidden terms in a grid of letters.
Term Search
Minimum natural light required in habitable rooms
Light, Ventilation & Sanitation
What is the maximum allowable spacing for studs in exterior load-bearing walls per the IRC?
Type of minimum 1/2-inch-diameter foundation bolt embedded at least 7 inches into concrete or grouted masonry and spaced at most 6 feet on center along wood sill plates.
What is the purpose of anchor bolts in residential foundation construction?
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