How to Become a Certified Home Inspector in Washington


Home Inspector Licensing:

To become a licensed home inspector, you must submit the following to the WA department:

 (1) an application;

 (2) proof of a minimum of 120 hours of classroom instruction approved by the board;

 (3) proof of up to 40 hours of field training supervised by a licensed home inspector;

 (4) evidence of successful passage of the written exam; and

 (5) a fee. For details on licensing, visit the Washington website.
The Washington State Department of Licensing approves the classroom and field training provided by InterNACHI's School Partners. Every student receives a free six-month membership to InterNACHI (for non-members only). Be sure to ask your trainer for this benefit when registering for the class.
Washington School of Home Inspection (WASHI)
Ellensburgh, WA 98926 
Brandon and Sarah Bedsaul
509-859-3578 (Brandon)
509-929-3243 (Sarah)
Washington Home Inspector Training  
1107 Eastside Street SE Olympia WA 98501
Steven Abbott (360) 485-7123
Trevor Rice (925) 967-8307

Continuing Education (online & free for members):

To renew your home inspector license (according to WA rules), you must complete 24 hours of approved Continuing Education since you last renewed.

The Washington Department of Licensing has approved the following online courses are for home inspector Continuing Education (online & free for members):


    Radon Tester Certification in Washington (online & free for members): 

    Although there are no state regulations for radon testing in Washington, the Washington State Department of Health recommends hiring a professional radon tester (as of October 2014).  Visit the Washington website for details.
    Become a Certified Radon Tester by taking InterNACHI's free, online "Advanced Radon Measurement Service Provide Course," which is NRPP- and AARST-approved for both initial certification and Continuing Education. The course details are located at

    Free Marketing Cards (free for members):

    This is a great marketing strategy for members to promote their business to licensed real estate professionals, who can attain free, online Continuing Education (CE) credits by contacting their local InterNACHI member.
    Tell them to visit and register for the free online Continuing Education course. The course promotes the value of hiring an InterNACHI Home Energy Inspector. When a real estate professional logs into the course and enters the InterNACHI member's ID number, the member will be automatically notified by email.
    Visit for more information on how to market this opportunity to real estate agents. 

    Wood-Destroying Organism Inspection CE:

    The Washington State Department of Agriculture has approved InterNACHI's online "Wood-Destroying Organism Inspection" course for 15 credits. For approval details, visit

    Home Energy Inspector™ Certification (online & free for members):

    Become a Certified Home Energy Inspector™. The online training and certification is free for members. No infrared, no blower door, and no additional training needed. Visit

    Home Energy Score Assessor (online & free for members):

    The Home Energy Score is similar to a vehicle's miles-per-gallon rating, and any qualified inspector in the U.S. can generate a Home Energy Score in less than an hour. The Home Energy Score provides:
    • a score on a scale of 1 to 10; 
    • facts about the home and its energy use; and 
    • recommendations generated by the U.S. Department of Energy to improve the score and energy efficiency. 
      To become a Home Energy Score Assessor, you must:
      1. be an InterNACHI-Certified Home Energy Inspector (online & free for members); 
      2. complete the 3D-house training (online & free for members);
      3. agree to participate in a Quality Assurance Plan with other local Home Energy Inspector(free for members); and
      4. email Michelle to participate in the program.

    Roof Data Technician (free for members to participate):

    The Roof Data Technician Program, developed by InterNACHI and Owens Corning and Lowe's, provides an additional revenue stream for InterNACHI members who are hired by Owens Corning as part of a roof warranty claim resolution process. (This program is operational in the United States only.) To participate in the program, visit

    Business & Marketing (online & free for members):

    Free, online "Home Inspection Business Course":
    InterNACHI's Marketing Team will design a new logo for your inspection business or re-design your existing logo, and design and customize your business cards, flyers and brochures. It's all for free. Take a look at the free design work we've done for our members (free to members). Contact the Inspector Marketing Department today

    Homeowner Newsletter (online & free for members):

    Keep in touch with all of your clients! The InterNACHI Homeowner Newsletter is: 
    • free to members;
    • customized by you according to condition of each house inspected;
    • has 5 years worth of monthly issues;
    • includes your photo and logo in each issue.
    Your photo or business logo and website link will appear in each newsletter issue, so your clients can keep your contact information handy. Learn more about the newsletter at
    Order handout cards to sign homeowners up for your Homeowner Newsletter (a customizable, monthly newsletter system that is free to members). Order your cards at

    Everything You Need, All in One Place:

    InterNACHI provides everything you need to be successful. Visit

    Membership Benefits (free for members):

    InterNACHI provides over $75,000 worth of benefits to its members at no cost. Visit

    Archived Approval Letters:


    Washington State Department of Agriculture approves InterNACHI's free, online Wood Destroying Organism course.
    More approved and accredited inspector education.