Reference
Home inspection glossary
These definitions help homebuyers understand reports and ask follow-up questions. Terms may be used differently by local codes, contracts, and professionals.
Published by Castilho EnterprisesUpdated 2026-07-25

Common terms
- Defect: a condition that may affect use, value, safety, or expected performance.
- Material defect: a significant issue as defined by the applicable standard, contract, or jurisdiction.
- Further evaluation: a recommendation for assessment by a qualified specialist.
- Service life: an estimate of expected useful operation, not a warranty.
- Readily accessible: observable without unsafe or destructive measures.
- Scope: the systems, locations, tests, and exclusions included in an inspection or estimate.
- Water intrusion: unwanted water entering or accumulating in a building assembly.
- Differential movement: parts of a structure moving by different amounts.
Sources and further reading
Authorship and review
Published and reviewed by Castilho Enterprises.
Found an error? Read our corrections policy or contact support.
Explore this section
Home inspection checklist
Follow a room-by-room checklist before and during your professional inspection.
Read resourceSample property condition report
See how observations, limitations, and next steps are organized.
Read resourceWhat inspectors look for
See how a general inspection is organized.
Read resource