Safety and limitations
What House Inspector cannot determine
A visual app can help organize observations, but it cannot inspect concealed areas, test systems or materials, or decide whether a property is safe.

Not visible in photographs
- Conditions behind walls, under finishes, below grade, inside equipment, or beneath roofing.
- Intermittent leaks, electrical faults, gas leaks, combustion problems, pests, and environmental contaminants.
- Structural adequacy, code compliance, remaining service life, and complete repair scope.
Testing and specialist work
Radon, asbestos, lead, mold conditions, sewer lines, termites, septic systems, wells, chimneys, pools, and many building systems require dedicated procedures or qualified specialists. A standard inspection may also exclude some of these services.
When to stop
Do not enter an unsafe area or touch suspect materials. Leave and contact emergency services, the utility, or an appropriate licensed professional for smoke, fire, sparking, gas odor, unstable structure, sewage, active flooding near electricity, or suspected hazardous-material disturbance.
Sources and further reading
Authorship and review
Published and reviewed by Castilho Enterprises; specialist guidance is linked for verification.
Found an error? Read our corrections policy or contact support.
Related resources
Home inspection checklist
Follow a room-by-room checklist before and during your professional inspection.
Read resourceVisible home-problem library
Review visible warning signs and learn which professional to contact.
Read resourceSpecialty inspections
Learn when separate testing may be appropriate.
Read resource