How to Become a Home Inspector in Washington

Washington home inspector course packages vary based on the level of training and additional materials you want. Compare the package options above to find the one that fits your goals and budget. Every package from AHIT includes the Professional AHIT Home Inspector Course and exam prep tools built by AHIT experts, with higher-tier packages adding more study materials and specialty certifications. Note that the Washington Department of Licensing also requires a separate $720 state license fee.

Yes. AHIT is a Washington Home Inspector Advisory Licensing Board-approved pre-license education provider. The course covers the 120 hours of classroom training the Department of Licensing requires for Washington home inspector applicants, plus Washington home inspector Standards of Practice and report writing.

Most Washington candidates complete the online AHIT coursework in 4 to 8 weeks at a part-time pace. The 40 hours of supervised field training with five inspections is scheduled separately and typically adds 2 to 4 weeks depending on availability. Your total timeline depends on your study schedule, field training availability, and how quickly you move through the Department of Licensing's process.

The 120 hours of classroom training can be completed online and is self-paced. Washington's 40 hours of supervised field training with five actual home inspections must be completed in person under a licensed Washington home inspector's supervision. AHIT pairs your online coursework with the supervised field training you need to meet the state's full requirement.

After completing your AHIT coursework and field training, you'll register for and pass the NHIE, then submit your application to the Washington Department of Licensing along with the $720 state license fee. AHIT provides AHIT-built exam prep tools to help you prepare. For a full breakdown of the Washington licensing process and salary information, see our How to Become a Home Inspector in Washington guide.

Washington home inspectors earn around $66,177 per year on average (Salary.com, April 2026), among the highest in the country. Seattle, Bellevue, and the Eastside tech corridor regularly outperform that figure, reflecting the high cost of housing and strong inspector demand across the Puget Sound region. Self-employed Washington inspectors typically charge $450–$700 per standard inspection. Inspectors who add specialty services like sewer scope, mold testing (a meaningful market in the rainy Pacific Northwest), and crawlspace moisture inspections routinely clear $100,000 annually in major Washington metros.

Plan on $3,000 to $5,000 in total startup costs. Washington's $720 license fee and $300 exam fee are higher than most states, and education plus field training add up quickly.

• 120-hour Board-approved Fundamentals course: $700–$1,800

• Field training (40 hours + 5 inspections): often included or $300–$700 if separate

• NHIE exam fee: $300

• Washington home inspector license fee: $720 (one of the highest nationally)

• Background check: ~$50

• E&O insurance: $1,200–$2,500 annually

• Inspection tools and reporting software: $500–$1,500

Most Washington candidates complete the full process in 4 to 6 months. The 120-hour course runs 6 to 10 weeks at part-time pace. The 40-hour field training plus 5 inspections takes 2 to 6 weeks depending on supervisor scheduling. NHIE scheduling and passing adds 2 to 4 weeks. DOL application processing typically takes 3 to 6 weeks once everything is in. How Long Does It Take to Become a Home Inspector in Washington?

Yes. Washington has required home inspector licensure since 2009. The Department of Licensing (DOL) issues licenses, and the Home Inspectors Advisory Licensing Board oversees the program. Inspecting without a license can result in fines and legal action.

Most candidates finish in 4 to 6 months. The 120-hour course runs 6 to 10 weeks. The 40-hour field training plus 5 supervised inspections take 2 to 6 weeks depending on supervisor scheduling. NHIE and DOL processing add another 5 to 10 weeks combined.

Plan for $3,000 to $5,000 total. That includes the 120-hour Fundamentals course ($700–$1,800), the NHIE exam ($300), the Washington license fee ($720), background check (~$50), E&O insurance ($1,200–$2,500 annually), and basic tools and software.

Washington is moderately demanding. The 120 classroom hours plus 40 hours field training plus 5 supervised inspections is a heavier education load than most states. The $720 license fee is among the highest nationally. The work pays off — Washington has one of the highest average home inspector salaries in the country.

Washington home inspectors earn around $66,177 per year on average (Salary.com, 2026), among the highest in the country. Seattle and the Eastside tech corridor run higher. Self-employed inspectors charge $450–$700 per inspection and often clear $100,000+ with specialty services like sewer scope and mold testing.

Renew through DOL every 2 years on your second birthday following initial issuance. You'll need 24 hours of approved CE, current proof of E&O insurance, and the renewal fee. DOL sends renewal notices before expiration.