Requirements for a Home Inspector License in Washington State Requirements Yes a Home Inspector License is Required in Washington! The requirements to get a Home Inspector License in Washington are as follows: A state application Proof of completion of a minimum of 120 hours of board-approved classroom instruction Proof of mentorship with an experienced home inspector for 40 hours of field training and 5 actual inspections Evidence of successful completion of the written exam through the state A required state fee For more information visit the Washington website website. Check out our courses to see our educational offerings for how to become a home inspector and help you on your path towards your license.Looking for a job in Washington? See if our sister company Super Team Services is hiring, here. Not your state? Go back to the state map here.