Source: Schema.org v30.1 vocabulary. Official extendedAddress property definition.
What does extendedAddress mean?
An address extension such as an apartment number, C/O or alternative name.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status