The average national home inspection cost is $314, with most homeowners spending $266 and $369. This data is based on actual project costs as reported by HomeAdvisor members. Buying a home is exciting, but it can also be stressful and time-consuming. Having the home checked for asbestos is probably worth it in older homes with popcorn ceilings. 2  However it does come at a hefty cost. 3  On average, you should expect to spend $400-$800 for a 1,500 square foot house including lab fees, and then another $200-$400 for a re-inspection after the project is complete.