How Long Does a Home Inspection Take? The honest answer: it depends. The size of the home and the number of installed components are the two biggest factors that determine how long a home inspection takes. But time alone doesn't tell the whole story, what matters is how that time is used. TL;DR A home inspection with Tech Inspect starts at 3.5 hours for homes up to 1,500 sq ft, scaling up with square footage. Our structured, system-by-system process is designed to balance tho