Career roadmap
How to Become a Construction and Building Inspector
The education, training, certifications and steps it takes to start working as a construction and building inspector, plus how long it takes and where the career can lead.
To become a construction and building inspector: (1) gain construction experience, (2) study the codes, (3) pass ICC exams, (4) apply for inspector positions, (5) advance. Most people need about Several years of trade experience + certification. BLS lists “high school diploma or equivalent” as the typical entry-level education.
5 steps to become a construction and building inspector
Gain construction experience
Work in a trade such as carpentry, electrical or plumbing, or as a superintendent.
Study the codes
Learn the International Building Code (IBC) and International Residential Code (IRC) adopted in your area.
Pass ICC exams
Start with a residential certification and add others.
Apply for inspector positions
Local building departments and third-party inspection firms hire inspectors.
Advance
Become a plans examiner, chief inspector or building official.
Education and training requirements
A high school diploma plus significant construction experience is the typical path; some inspectors have associate or bachelor’s degrees in construction technology, engineering or architecture. ICC certifications are commonly required.
| Typical entry-level education (BLS) | High school diploma or equivalent |
|---|---|
| Related work experience | 5 years or more |
| On-the-job training | Moderate-term on-the-job training |
| Typical training time | Several years of trade experience + certification |
Certifications and licenses
- ICC Residential Building Inspector (B1): International Code Council certification for one- and two-family dwellings.
- ICC Commercial Building Inspector (B2): Certification for commercial buildings.
- ICC combination or trade certifications: Electrical, plumbing and mechanical inspector certifications.
- State inspector license: Required in many states and localities.
Skills to build now
Start with building codes (ibc, irc), plan reading and review, and structural, electrical, plumbing and mechanical systems, and practice clear, firm communication and integrity and impartiality. Learning the construction and building inspector vocabulary early makes training and interviews easier.
Where the career can lead
- Trades Worker or Inspector Trainee: Build construction and code knowledge.
- Building Inspector: Inspect residential and commercial projects.
- Plans Examiner or Combination Inspector: Review plans or inspect multiple trades.
- Chief Inspector or Building Official: Lead a building department.
Get a head start
Our self-paced Construction and Building Inspector training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.
Common questions about getting started
Do building inspectors need a degree?
Usually not, though a degree in construction technology, engineering or architecture can help and may be preferred for plans examiner roles.
How long does it take to become a construction and building inspector?
Most people need about Several years of trade experience + certification of training. A high school diploma plus significant construction experience is the typical path; some inspectors have associate or bachelor’s degrees in construction technology, engineering or architecture. ICC certifications are commonly required.
Do you need a degree to be a construction and building inspector?
Usually not. BLS lists a high school diploma as typical, combined with about five years or more of construction experience. Many employers require ICC certifications, and some prefer degrees in construction or engineering.
What certifications are available for construction and building inspectors?
Common credentials include ICC Residential Building Inspector (B1), ICC Commercial Building Inspector (B2), ICC combination or trade certifications, and State inspector license. Many states and local governments require building inspectors to be licensed or certified, frequently through ICC exams. Requirements vary widely.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 47-4011 (Construction and building inspectors).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Construction and building inspectors (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.