Updated 2025 · Management
How to Become a Building Inspector
Building inspectors examine buildings, structures, and construction projects to ensure compliance with building codes, zoning regulations, and contract specifications.
Steps to Become a Building Inspector
- Meet basic requirements — You must be at least 18 years old with a high school diploma or GED. A strong foundation in math, physics, and shop classes helps.
- Complete required training — Complete the required education, training, and on-the-job experience for your state.
- Earn certifications — Required certifications include: ICC Building Inspector certification, State building inspector license, ICC Plans Examiner certification, OSHA 10/30-Hour.
- Pass the journeyman exam — After completing your apprenticeship, pass the journeyman licensing exam in your state to earn full journeyman status and pay.
What Does a Building Inspector Do?
Building inspectors examine buildings, structures, and construction projects to ensure compliance with building codes, zoning regulations, and contract specifications.
Daily Duties
- Inspect buildings during and after construction
- Review blueprints and permits for code compliance
- Issue violation notices and stop-work orders
- Write inspection reports and maintain records
- Advise contractors on code requirements
Skills Needed
- Building code knowledge (IRC, IBC)
- Blueprint reading
- Construction methods
- Report writing
- Conflict resolution
Required Certifications
- ICC Building Inspector certification
- State building inspector license
- ICC Plans Examiner certification
- OSHA 10/30-Hour
Building Inspector Salary (2025)
The national median building inspector salary is $70,280 per year. Pay ranges from $57,296 in the lowest-paying metro to $96,644 in the highest-paying metro. See the full building inspector salary breakdown by city.
Union vs Non-Union Building Inspector Pay
Union building inspectors earn 15% more than non-union workers — $35.80/hour union vs $31.13/hour non-union. Approximately 12.4% of building inspectors are union members. See the full union vs non-union comparison.
Work Environment
Building inspectors work for city and county governments. Mix of office and field work. Regular hours with some travel between inspection sites. Lower physical demands than most trades.
Career Outlook
Steady demand as construction activity continues. Many inspectors are former tradespeople who transitioned to inspection after years in the field.
Frequently Asked Questions
The national median salary for a building inspector is $70,280 per year (2025 BLS data). Pay ranges from $57,296 to $96,644 depending on location, with top earners in the 90th percentile making significantly more.
Becoming a building inspector typically requires a combination of education, certifications, and on-the-job experience. The timeline varies based on the path you choose.
No college degree is required to become a building inspector. The primary path is through an apprenticeship program or trade school. You will need to earn specific certifications: ICC Building Inspector certification and State building inspector license.
Building Inspector earns a Trade Pay Score grade of C, meaning it rates moderately on pay relative to cost of living, wage growth, and demand. Steady demand as construction activity continues. Many inspectors are former tradespeople who transitioned to inspection after years in the field.
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