How to Become a Licensed Home Inspector in Washington
Home Inspector Licensing
- A state application
- Proof of completion of a minimum of 120 hours of board-approved classroom instruction. We have training partner schools (see below) to teach InterNACHI's Washington-Approved 120-Hour Fundamentals for Home Inspector Licensing Course
- Proof of mentorship with an experienced home inspector for 40 hours of field training and 5 actual inspections. Find an InterNACHI® Mentor near you.
- Evidence of successful completion of the written exam through the state.
- A required state fee.
Search for CE courses on state website
Washington Partner Schools:
Find a Mentor
InterNACHI® Mentors are available near you.
Find a Local Chapter
Find or form an InterNACHI® Chapter near you.
Insurance for Inspectors
Radon Tester Certification (online & free for members):
Free Real Estate Cards (free for members):
Wood-Destroying Organism Inspection Education:

For more information look here. InterNACHI's Wood-Destroying Organisms (WDO) Inspection Course may be a beneficial study tool for those looking to become licensed.
Commercial Property Inspections
Visit Certified Commercial Property Inspectors Association (CCPIA) for additional commercial inspection training and resources.
Home Energy Inspector Certification (online & free for members):
Business & Marketing (online & free for members):
Hands-On Training at House of Horrors®
How to Join InterNACHI
- Join InterNACHI as a member at $49 per month (cancel any time) or $499 per year. There are no prerequisites to become a member.
- Why join? Members have unlimited access to all of InterNACHI's free, online training and Continuing Education, our recommended list of home inspector courses, our free certification programs, the members-only forum, amazing membership benefits, the Online Inspector Exam, our free Practice Questions.
Everything You Need, All in One Place:
Membership Benefits (free for members):
Archived Documents:
InterNACHI's Washington-Approved 120-Hour Fundamentals for Home Inspector Licensing Course.
View approval letter of InterNACHI's Advanced Electrical Inspection Training Course Approval #WA2021-460

View approval letter of InterNACHI's Washington Approved 120-Hour Fundamentals Home Inspector Licensing Course #H322
View 2022 approval of How to Perform Roof Inspection Course. Course #494. Expiration 6/13/2022.
View 2022 approval of Log Home Inspection Course. Course #487. Expiration 6/12/2022.
View 2022 approval of Residential Plumbing Overview for Inspectors Course. #490. Expiration 6/12/2022.






View 2021 approval for Advanced Electrical Inspection Training Video. Course #555. Expiration 1/22/2021
View 2021 approval for Advanced HVAC Training for Inspectors Course. Course #554. Expiration 1/22/2021
View 2021 approval for Appliance Inspection for Home Inspectors. Course #553. Expiration 1/22/2021
View 2021 approval for Building Science and Infrared Thermal Imaging for Home Inspectors. Course #551. Expiration 1/22/2021
View 2021 approval for Calculating Envelope Energy Loss. Course #550. Expiration 1/23/2021
View 2021 approval for Energy Movement for Home Inspectors. Course #546. Expiration 1/23/2021
View 2021 approval for Home Energy Blower Door Training. Course #552. Expiration 1/22/2021































